锘??xml version="1.0" encoding="utf-8" standalone="yes"?>香蕉久久a毛片,国产精品久久久一本精品,亚洲成人资源网http://www.shnenglu.com/elva/category/8814.htmlzh-cnFri, 31 May 2013 07:29:05 GMTFri, 31 May 2013 07:29:05 GMT60TS OVER IP鐨勫鐢婚潰鍚堟垚http://www.shnenglu.com/elva/archive/2013/05/31/200717.html鍙跺瓙鍙跺瓙Fri, 31 May 2013 06:52:00 GMThttp://www.shnenglu.com/elva/archive/2013/05/31/200717.htmlhttp://www.shnenglu.com/elva/comments/200717.htmlhttp://www.shnenglu.com/elva/archive/2013/05/31/200717.html#Feedback0http://www.shnenglu.com/elva/comments/commentRss/200717.htmlhttp://www.shnenglu.com/elva/services/trackbacks/200717.html
    緇堜簬鍋氬畬浜嗗鐢婚潰鍚堟垚鐨勯」鐩紝棰囨湁蹇冨緱錛屽叾闂翠篃閬囧埌涓浜涢棶棰橈紝娌℃湁緗戠粶涓婄殑璧勬枡鑷繁鏄緢闅捐В鍐崇殑錛屼絾涔熶笉鏄墍鏈変笢瑗塊兘鑳藉湪緗戜笂鎵懼埌鍔炴硶錛屼嬌鐢╢fmpeg閬囧埌澶闂錛岃澶氬彧鑳介氳繃闃呰婧愮爜瑙e喅銆傚浠婂仛瀹屼簡錛屾嬁鍑烘潵涓庝紬鍒嗕韓銆?br />鐢婚潰鍚堟垚鍣ㄦ槸灝嗗涓壙杞戒簬UDP鐨凾S嫻侊紙MPTS錛孲PTS錛夎В鐮侊紝灝嗚В鐮佸悗鍥懼儚緙╂斁鎴愬皬鐢婚潰錛屽啀灝嗗悇涓簮鍚堝茍鎴?x2,3x3,4x4絳夋柟寮忥紝瀹炵幇鐢佃澧欑殑鏁堟灉銆?br />欏圭洰鐨勯渶姹傛槸榪欐牱鐨勶細
1.UDP杈撳叆UDP杈撳嚭
2.鎻愪緵婧愬垏鎹㈢殑鎺ュ彛錛屽鎴蜂細鍐嶆煇涓椂鍒繪崲鎺夋煇涓簮
3.鑹ソ鐨勫紓甯稿鐞嗭紝鏌愪釜UDP婧愭柇嫻佹垨鎭㈠涓嶅獎鍝嶇幇鏈夎妭鐩傝繖涓嶆槸瀹㈡埛鐨勮姹傦紝浣嗘湁榪囧ぇ鍨嬮」鐩粡楠岀殑浜虹煡閬擄紝榪欐槸涓瀹氳鑰冭檻鐨?br />浠庡疄鐜板眰闈㈡潵璁詫紝闇瑕佷互涓嬫妧鏈偣錛?br />1.UDP鍗曟挱緇勬挱鎺ユ敹
2.TS灝佽鐨凥264涓嶮PEG2瑙嗛瑙g爜涓篩UV
3.YUV緙╂斁
4.YUV鐢婚潰鎷兼帴
5.鍚堟垚鍚庣殑YUV鍘嬬緝涓篐264
6.鍘嬬緝鍚庣殑瑙嗛鎵撳寘TS
7.鎵撳寘鍚庣殑TS閫氳繃UDP鍙戦?br />8.鍙戦佹椂闇瑕佽繘琛屾祦鎺э紝淇濊瘉VLC鍙甯告挱鏀俱?br />榪欎簺鎶鏈偣涓嶇畻闅撅紝鐪熸鐨勯毦鐐瑰湪浜庣粺絳硅繍浣滐紝N涓簮鍚勮嚜鐨勮В鐮佸悗鐢婚潰杈撳嚭閫熷害涓嶅悓錛岃櫧鐒舵垜浠姹傚悇婧愬撫鐜囩浉鍚屻傚悇瑙g爜綰跨▼鐢婚潰杈撳嚭铏芥暣浣撶浉鍚岋紝浣嗚偗瀹氫細蹇介珮蹇戒綆銆傚鏋滄瘡涓簮閮芥甯哥殑璇濓紝鎴戜滑鍙互絳夊緟姣忎釜婧愰兘鏈夌敾闈㈢殑鏃跺欐墠榪涜鍚堟垚銆備絾鏄垜浠渶瑕佽冭檻婧愭柇嫻佷笌鎭㈠錛屽氨涓嶈兘涓鐩寸瓑寰呮煇涓簮銆傚叾浜岋紝涓轟簡鏀寔婧愬垏鎹紝鎴戜滑搴旇娑夊強濂借繍浣滄ā寮忥紝瀹炵幇鏃犵紳鍒囨崲錛屼絾榪欎簺鍙槸鎴戠壒瀹?涓氬姟鐨勯渶瑕侊紝鎺ヤ笅鏉ュ彧璁蹭笌ffmpeg鐩稿叧鎶鏈?br />鍏堣涓婇潰鎻愬埌鐨?涓妧鏈偣錛孶DP鏀跺彂灝變笉鐢ㄨ浜嗭紝鍊煎緱涓鎻愮殑鏄帴鏀墮渶瑕佷嬌鐢ㄥ紓姝ユā寮忥紝榪欎釜鍦ㄥ悗闈細鎻愬埌銆傞櫎浜哬UV鐢婚潰鎷兼帴錛屽叾浠栭兘鍙互鐢╢fmpeg sdk瀹炵幇銆傚洜姝や富瑕佽璁轟嬌鐢╢fmpeg榪涜瑙g爜緙栫爜錛岃繖縐嶆妧鏈枃绔犲叾瀹炲緢澶氾紝浣嗕粬浠竴鑸彧鏈夌畝鍗曠殑鏂規錛屽浜庤繖浜涙瘮杈冨父瑙佺殑涓滆タ錛屾垜浠篃涓嶅仛璁ㄨ錛屽彧璁ㄨ鍑犱釜閲嶇偣錛岃屽張緙轟箯璧勬枡鐨勯棶棰橈紝涓昏鏈夛細
1.瀵硅В鐮佸強緙栫爜鑷畾涔塱o鍥炴帀銆俇DP鎺ユ敹鍙婂彂閫佷笉閫氳繃ffmpeg瀹炵幇銆傚浜嶶DP婧愭潵璇達紝ffmpeg瀵筂PTS鏀寔涓嶅ソ銆傚浜庤緭鍑篣DP鏉ヨ錛宖fmpeg娌℃湁嫻佹帶

鏈夋椂鎴戜滑甯屾湜ffmpeg鐨刟pi鎵撳紑鐨勪笉鏄枃浠舵垨鏌愪釜鍗忚鐨刄RL錛岀洿鎺ヤ紶閫掓暟鎹紦鍐茬粰浠栵紝ffmpeg涓嶆敮鎸佷紶閫掓暟鎹寚閽堢粰浠栵紝瑕佹眰浠栫紪鐮佹垨瑙g爜錛岃繖鍦╢fmpeg api涓殑瀹炵幇鏂瑰紡鏄疘O鍥炴帀鍑芥暟銆備粬鍦ㄩ渶瑕佺殑鏃跺欐潵璋冪敤浣犵殑鍑芥暟鏉ヨ鍙栨垨鍐欏叆銆備互瑙g爜涓轟緥錛屼笅闈負紺轟緥浠g爜錛?br />AVIOContext *pb = avio_alloc_context(pbuf+1316, AVIO_BUF_SIZE-1316, 0, this, ReadDataCb, NULL, NULL);
if (av_probe_input_buffer(pb, &pinFmt, "", NULL, 0, MAX_PROBE_SIZE) < 0)
{
//error...
}
AVFormatContext *pFmtCt = avformat_alloc_context();
pFmtCt->pb = pb;
if (avformat_open_input(&pFmtCt, "", pinFmt, NULL) < 0)
{
//error...
}
璇誨彇鍥炴帀鍘熷瀷濡備笅錛?br />static int ReadDataCb(void *opaque, uint8_t *buf, int buf_size);
瀹炵幇鐞嗗康涓鑸簲璇ユ槸闄ら潪鎯寵鍋滄瑙g爜錛岃繑鍥?1錛屽惁鍒欒繑鍥炴暟鎹暱搴︺備繚璇佷粬璇誨埌鏁版嵁

涓嶇煡閬撴槸鍑轟簬鍐呭瓨瀵歸綈榪樻槸浠涔堝師鍥狅紝
uint8_t *pbuf = (uint8_t *)calloc(AVIO_BUF_SIZE,1);
pb = avio_alloc_context(pbuf+1316, AVIO_BUF_SIZE-1316, 0, this, ReadDataCb, NULL, NULL);
鐨勬椂鍊欑涓涓弬鏁扮洿鎺ヤ紶pbuf浼氬穿婧冿紝鎵浠?1316
鑰岃嫢浣跨敤av_mallocz錛岃櫧鍙互鐩存帴浼爌buf,鍗村湪av_free鐨勬椂鍊欏穿婧冿紝娌℃湁鎵懼埌鍘熷洜銆?br />
2.鐢變簬闇瑕佸疄鐜板垏鎹紝鎵浠ラ渶瑕佸皢鏌愪釜婧愬畬鍏ㄩ攢姣侊紝涓嶄駭鐢熷唴瀛樻硠闇詫紝涓嶈灝忕湅榪欎釜闂錛岀綉涓婄殑寰堝浠g爜鏄笉瀵圭殑銆?br />
閿姣?AVFormatContext
姝g‘閿姣佹柟寮忥細
/* close decoder for each stream */
        for (int i = 0; i < pFmtCt->nb_streams; i++)
        {
            if (pFmtCt->streams[i]->codec->codec_id != AV_CODEC_ID_NONE)
            {
                THREAD_MUTEX_LOCK(&g_mutex_avcodec_oc);
                avcodec_close(pFmtCt->streams[i]->codec);
                THREAD_MUTEX_UNLOCK(&g_mutex_avcodec_oc);
            }
        }
        avformat_close_input(&pFmtCt);
        
閿姣?AVIOContext
//涓嶅彲浣跨敤avio_close
    av_free(pb->buffer);
    av_free(pb);

閿姣?AVFrame
AVFrame *pframe = avcodec_alloc_frame();
avcodec_free_frame(&pframe);    


3.澶氱嚎紼嬩嬌鐢╢fmpeg sdk闂
avcodec_open/avcodec_close涓嶆槸綰跨▼瀹夊叏鐨勶紝蹇呴』榪涜鍏ㄥ眬鍔犻攣淇濇姢錛屾垨鑰呭叾浠栧悓姝ユ柟寮忋傞櫎浜嗚繖涓や釜鍑芥暟澶栵紝鐢變簬av_find_stream_info鍐呴儴璋冪敤浜哸vcodec_open錛屼篃闇瑕佸姞閿併備絾av_find_stream_info鏈夊彲鑳芥墽琛屾椂闂存瘮杈冮暱錛屽鏋滄病鐗瑰埆鐨勫繀瑕侊紝鍙互涓嶄嬌鐢ㄦ鍑芥暟銆傚浜庤В鐮佹潵璇達紝鏈変笅闈袱涓嚱鏁幫細
av_probe_input_buffer
avformat_open_input
澶ч儴鍒嗘儏鍐典笅宸茬粡鍙互姝e父瑙g爜浜嗐?br />
鍏充簬鍘嬬緝
ffmpeg鍘嬬緝H264 TS鏃禖BR騫朵笉濂界敤錛岃緗簡mux_rate浼氬鑷碩S灝佽鍑洪敊銆傝佽佸疄瀹炵敤VBR錛屼笉璁劇疆mux_rate
榪涜H264鍘嬬緝鏃朵竴涓夐」涓瀹氳璁劇疆鐨勶細
preset
鍦ㄥ帇緙╂晥鐜囧拰榪愮畻鏃墮棿涓鉤琛$殑棰勮鍊鹼紝鍙敤閫夐」錛?br />ultrafast, superfast, veryfast, faster, fast, medium, slow, slower, veryslow and placebo



鍙跺瓙 2013-05-31 14:52 鍙戣〃璇勮
]]>
PAFF 鍜孧BAFF http://www.shnenglu.com/elva/archive/2012/04/18/171874.html鍙跺瓙鍙跺瓙Wed, 18 Apr 2012 07:59:00 GMThttp://www.shnenglu.com/elva/archive/2012/04/18/171874.htmlhttp://www.shnenglu.com/elva/comments/171874.htmlhttp://www.shnenglu.com/elva/archive/2012/04/18/171874.html#Feedback1http://www.shnenglu.com/elva/comments/commentRss/171874.htmlhttp://www.shnenglu.com/elva/services/trackbacks/171874.htmlPAFF 鍜孧BAFF錛氬綋瀵歸殧琛屾壂鎻忓浘鍍忚繘琛岀紪鐮佹椂錛屾瘡甯у寘鎷袱涓満錛岀敱浜庝袱涓満涔嬮棿瀛樺湪杈冨ぇ鐨勬壂鎻忛棿闅旓紝榪欐牱錛屽榪愬姩鍥懼儚鏉ヨ錛屽撫涓浉閭諱袱琛屼箣闂寸殑絀洪棿鐩稿叧鎬х浉瀵逛簬閫愯鎵弿鏃跺氨浼氬噺灝忥紝鍥犳榪欐椂瀵逛袱涓満鍒嗗埆榪涜緙栫爜浼氭洿鑺傜渷鐮佹祦銆傚甯ф潵璇達紝瀛樺湪涓夌鍙夌殑緙栫爜鏂瑰紡錛氬皢涓ゅ満鍚堝茍浣滀負涓甯ц繘琛岀紪鐮?frame 鏂瑰紡)鎴栧皢涓ゅ満鍒嗗埆緙栫爜(field 鏂瑰紡)鎴栧皢涓ゅ満鍚堝茍璧鋒潵浣滀負涓甯э紝浣嗕笉鍚岀殑鏄皢甯т腑鍨傜洿鐩擱偦鐨勪袱涓畯鍧楀悎騫朵負瀹忓潡瀵硅繘琛岀紪鐮侊紱鍓嶄袱縐嶇О涓篜AFF 緙栫爜錛屽榪愬姩鍖哄煙榪涜緙栫爜鏃秄ield 鏂瑰紡鏈夋晥錛屽闈炶繍鍖哄煙緙栫爜鏃訛紝鐢變簬鐩擱偦涓よ鏈夎緝澶х殑鐩稿叧鎬э紝鍥犺宖rame 鏂瑰紡浼氭洿鏈夋晥銆傚綋鍥懼儚鍚屾椂瀛樺湪榪愬姩鍖哄煙鍜岄潪榪愬姩鍖哄煙鏃訛紝鍦∕B 灞傛涓婏紝瀵硅繍鍔ㄥ尯鍩熼噰鍙杅ield 鏂瑰紡錛屽闈炶繍鍔ㄥ尯鍩熼噰鍙杅rame 鏂瑰紡浼氭洿鍔犳湁鏁堬紝榪欑鏂瑰紡灝辯О涓篗BAFF錛岄嫻嬬殑鍗曚綅鏄畯鍧楀銆?
 

      鍦ㄩ殧琛屾壂鎻忓撫涓紝褰撴湁縐誨姩鐨勫璞℃垨鎽勫儚鏈虹Щ鍔ㄦ椂錛屼笌閫愯鐩告瘮錛屼袱涓浉閭昏鍊懼悜鍑忓皯緇熻鐨勭浉鍏蟲э紝榪欑鎯呭喌搴旀瘮姣忓満鍒嗗埆鍘嬬緝鏇翠負鏈夋晥銆備負浜嗚揪鍒伴珮鏁堢巼錛孒.264/AVC鍦ㄧ紪鐮佸撫鏃訛紝鏈変互涓嬪彲閫夋柟妗堬細

    ● 緇撳悎涓ゅ満鎴愪竴涓畬鏁村撫錛屼綔涓哄撫緙栫爜錛岀О涓哄撫妯″紡銆?/p>

    ● 涓ゅ満鍒嗗埆緙栫爜錛岀О涓哄満妯″紡銆?/p>

    ● 緇撳悎涓ゅ満鎴愪竴涓畬鏁村撫錛屼綔涓哄撫鍘嬬緝銆傚湪緙栫爜鏃訛紝鍒掑垎鍨傜洿鐩擱偦鐨勪袱涓畯鍧楀鎴愪袱涓満瀹忓潡瀵規垨甯у畯鍧楋紝鍐嶈繘琛岀紪鐮併?/p>

    姣忓撫鍥懼儚鍙嚜閫傚簲閫夋嫨3縐嶆ā寮忎箣涓榪涜緙栫爜銆傚湪鍓嶄袱縐嶄箣闂磋繘琛岄夋嫨縐頒負鍥懼儚鑷傚簲甯?鍦虹紪鐮侊紙PAFF錛夛紝褰撲竴甯т綔涓轟袱鍦虹紪鐮佹椂錛屾瘡鍦哄垝鍒嗕負瀹忓潡錛岀紪鐮佹柟寮忎笌甯х紪鐮佹柟寮忓緢鐩鎬技錛屼富瑕佹湁涓嬮潰鐨勪緥澶栵細

    ● 榪愬姩琛ュ伩鐢ㄥ弬鑰冨満錛岃屼笉鏄弬鑰冨撫銆?/p>

    ● 鍙樻崲緋繪暟鐨?#8220;涔嬪瓧鍨?#8221;鎵弿鏂瑰紡涓嶅悓銆?/p>

    ● 瀹忓潡姘村鉤杈規部鍘誨潡婊ゆ嘗鍣ㄧ殑寮哄害涓嶉夌敤“寮?#8221;錛屽洜涓哄満琛屽湪絀洪棿涓婃槸涓ゅ嶅撫琛岀殑璺濈銆?/p>

    鍦ㄧ爺鍒禜.264/AVC鏍囧噯鏃訛紝鎹姤閬擄紝閲囩敤ITU-601鍒嗚鯨鐜囷紝PAFF緙栫爜鎶鏈笌甯х紪鐮佺浉姣斿彲鍑忓皯鐮佺巼16%鍒?0%銆?/p>

    濡傛灉鍥懼儚鐢辮繍鍔ㄥ尯鍜岄潪榪愬姩鍖烘販鍚堢粍鎴愶紝闈炶繍鍔ㄥ尯鐢ㄥ撫妯″紡銆佽繍鍔ㄥ尯鐢ㄥ満妯″紡鏄渶鏈夋晥鐨勭紪鐮佹柟娉曘傚洜姝ゆ瘡涓瀭鐩村畯鍧楀錛?6×32錛夊彲鐙珛閫夋嫨緙栫爜錛堝撫/鍦猴級妯″紡銆傝繖縐嶇紪鐮侀夋嫨縐頒負瀹忓潡鑷傚簲甯?鍦虹紪鐮侊紙MBAFF錛夈傚浜庡撫妯″紡瀹忓潡瀵癸紝姣忎釜瀹忓潡鍖呭惈甯ц錛屽浜庡満妯″紡瀹忓潡瀵癸紝欏墮儴瀹忓潡鍖呭惈欏跺満琛岋紝搴曢儴瀹忓潡鍖呭惈搴曞満琛屻?/p>

    澶勭悊鍦哄畯鍧楀鐨勬瘡涓畯鍧椾笌甯AFF妯″紡鐩鎬技錛岀劧鑰岋紝鍥犱負鍦∕BAFF甯т腑鍙戠敓鍦?甯у畯鍧楀娣峰悎錛岄渶瑕佷慨鏀圭敤浣滀笅鍒楃敤閫旂殑鏂規硶錛?/p>

    ● 涔嬪瓧鍨嬫壂鎻忋?/p>

    ● 榪愬姩鐭㈤噺棰勬祴銆?/p>

    ● 甯у唴棰勬祴妯″紡鐨勯嫻嬨?/p>

    ● 甯у唴棰勬祴甯ч噰鏍風簿搴︺?/p>

    ● 鍘誨潡鏁堝簲婊ゆ嘗鍣ㄣ?/p>

    ● 涓婁笅鏂囨ā鍨嬬殑鐔電紪鐮併?/p>

    涓昏鎬濇兂鏄敖鍙兘淇濈暀澶氱殑絀洪棿涓鑷存э紝MBAFF甯х殑絀洪棿鐩擱偦鐨勮鑼冪浉褰撳鏉傦紝涓嬮潰璁插埌鐨勭┖闂寸浉閭婚兘鏄寚闈濵BAFF甯с?/p>

    MBAFF 鍜孭AFF鐨勫彟涓涓噸瑕佸尯鍒槸錛氫嬌鐢∕BAFF鏂規硶錛屼竴涓満涓嶈兘浣跨敤鍚屼竴甯х殑鍙︿竴涓満涓殑瀹忓潡浣滀負榪愬姩琛ュ伩鍙傝冦傝繖鏍鳳紝鏈夋椂PAFF姣擬BAFF緙栫爜鏇存湁鏁堬紝鐗瑰埆鏄湪蹇熷叏灞榪愬姩銆佸彉鎹㈠満鏅佸浘鍍忓埛鏂扮瓑鎯呭喌涓嬨?/p>

    鍦ㄥ紑鍙慚BAFF鏍囧噯鏈熼棿錛屾嵁鎶ラ亾錛岄噰鐢↖TU-601鍒嗚鯨鐜囷紝MBAFF緙栫爜鎶鏈瘮PAFF鐩告瘮鍙噺灝戠爜鐜?4%鍒?6%銆?/p>

鍙跺瓙 2012-04-18 15:59 鍙戣〃璇勮
]]>
鍥懼儚銆佸撫銆佺墖銆丯ALUhttp://www.shnenglu.com/elva/archive/2011/02/24/140579.html鍙跺瓙鍙跺瓙Thu, 24 Feb 2011 04:10:00 GMThttp://www.shnenglu.com/elva/archive/2011/02/24/140579.htmlhttp://www.shnenglu.com/elva/comments/140579.htmlhttp://www.shnenglu.com/elva/archive/2011/02/24/140579.html#Feedback0http://www.shnenglu.com/elva/comments/commentRss/140579.htmlhttp://www.shnenglu.com/elva/services/trackbacks/140579.html鍥懼儚銆佸撫銆佺墖銆丯ALU 鏄涔?H.264 鐨勪漢甯稿父鎰熷埌鍥版儜鐨勪竴浜涙蹇碉紝鎴戝湪榪欓噷瀵硅嚜宸辯殑鐞嗚В鍋氫竴浜涢槓榪幫紝嬈㈣繋澶у璁ㄨ錛?br>

H.264 鏄竴嬈℃蹇電殑闈╂柊錛屽畠鎵撶牬甯歌錛?strong>瀹屽叏娌℃湁 I 甯с丳甯с丅 甯х殑姒傚康錛屼篃娌℃湁 IDR 甯х殑姒傚康銆傚浜?H.264 涓嚭鐜扮殑涓浜涙蹇典粠澶у埌灝忔帓搴忎緷嬈℃槸錛?strong>搴忓垪銆佸浘鍍忋佺墖緇勩佺墖銆丯ALU銆佸畯鍧椼佷簹瀹忓潡銆佸潡銆佸儚绱?/strong>銆傝繖閲屾湁鍑犵偣鍊煎緱璇存槑錛?br>錛?錛夈佸湪 H.264 鍗忚涓?strong>鍥懼儚鏄釜闆嗗悎姒傚康錛岄《鍦恒佸簳鍦恒佸撫閮藉彲浠ョО涓哄浘鍍?/strong>錛堟湰鏂囧浘鍍忔蹇墊椂閮芥槸闆嗗悎姒傚康錛夈傚洜姝ゆ垜浠彲浠ョ煡閬擄紝瀵逛簬 H.264 鍗忚鏉ヨ錛屾垜浠鉤甯告墍鐔熸倝鐨勯偅浜涚О鍛鹼紝渚嬪錛?strong>I 甯с丳 甯с丅 甯х瓑絳夛紝瀹為檯涓婇兘鏄垜浠妸鍥懼儚榪欎釜姒傚康鍏蜂綋鍖栧拰緇嗗皬鍖栦簡銆傛垜浠?strong>鍦?H.264 閲屾彁鍒扮殑“甯?#8221;閫氬父灝辨槸鎸囦笉鍒嗗満鐨勫浘鍍忥紱
錛?錛夈佸鏋?strong>涓嶉噰鐢?FMO錛堢伒媧誨畯鍧楁帓搴忥級 鏈哄埗錛屽垯涓騫呭浘鍍忓彧鏈変竴涓墖緇?/strong>錛?br>錛?錛夈佸鏋?strong>涓嶄嬌鐢ㄥ涓墖錛屽垯涓涓墖緇勫彧鏈変竴涓墖錛?br>錛?錛夈佸鏋?strong>涓嶉噰鐢?/strong> DP錛?strong>鏁版嵁鍒嗗壊錛夋満鍒訛紝鍒?strong>涓涓墖灝辨槸涓涓?NALU錛?strong>涓涓?NALU 涔熷氨鏄竴涓墖銆?/div>
       鍚﹀垯錛?strong>涓涓墖鐢?涓変釜 NALU 緇勬垚錛堝嵆鏍囧噯“琛?-1”涓?nal_unit_type 鍊間負 2銆?銆? 鐨?strong>涓変釜 NALU 灞炰簬 涓涓墖錛夛紱  
   2 緙栫爜鏉″甫鏁版嵁鍒嗗壊鍧桝  slice_data_partition_a_layer_rbsp( )

   3 緙栫爜鏉″甫鏁版嵁鍒嗗壊鍧桞 slice_data_partition_b_layer_rbsp( )

   4 緙栫爜鏉″甫鏁版嵁鍒嗗壊鍧桟 slice_data_partition_c_layer_rbsp( )
 
錛?錛夈佷互涓婃墍榪扮殑鐗囧拰 NALU 鐨勫ぇ灝忓叧緋誨茍涓嶆槸鎶借薄姒傚康涓婄殑浠庡睘鍏崇郴銆備粠姒傚康鐨?strong>浠庡睘鍏崇郴涓婃潵鐪嬶紝NALU鍏跺疄鍙堟槸鐗囩殑涓涓泦鍚堟蹇?/strong>錛屼緥濡傦細鏍囧噯“琛?-1”涓?nal_unit_type 鍊間負 5 鐨?NALU 鍖呮嫭 I 鐗囨垨鑰?SI 鐗囥?br>
    涓騫呭浘鍍忔牴鎹粍鎴愬畠鐨勭墖綾誨瀷鏉ュ垎錛屽彲浠ュ垎涓烘爣鍑?strong>“琛?-5”涓殑 8 縐嶇被鍨?/strong>銆傛垜浠鉤甯稿簲鐢ㄤ腑鎵鏈甯歌鍒扮殑鍏跺疄鏄繖浜涚被鍨?/strong>鐨勭壒渚嬨備緥濡傦細鎴戜滑騫沖父鎵璋撶殑“I 甯?#8221;鍜?#8220;IDR 甯?#8221;錛?/strong>鍏跺疄鏄?primary_pic_type 鍊間負 0 鐨勫浘鍍?/strong>錛屾垜浠鉤甯告墍璋撶殑“P甯?#8221;鍏跺疄鏄?primary_pic_type 鍊間負 1 鐨勫浘鍍忕殑鐗逛緥錛?strong>鎴戜滑騫沖父鎵璋撶殑“B甯?#8221;鍏跺疄鏄?primary_pic_type 鍊間負 2 鐨勫浘鍍忕殑鐗逛緥銆?br>
    涓騫呭浘鍍忔牴鎹蹇墊潵鍒嗗彲浠ュ垎涓轟袱縐?/strong>錛?strong>IDR 鍥懼儚鍜岄潪 IDR 鍥懼儚銆備竴騫呭浘鍍忔槸鍚︽槸 IDR 鍥懼儚鏄敱緇勬垚璇?strong>鍥懼儚鐨?NALU 鍐沖畾鐨?/strong>錛屽鏋滅粍鎴愯鍥懼儚鐨?NALU 涓烘爣鍑?#8220;琛?-1”涓?nal_unit_type 鍊間負 5 鐨?NALU錛屽垯璇?strong>鍥懼儚涓?IDR 鍥懼儚
錛屽惁鍒欎負闈?IDR 鍥懼儚銆傝繖閲屼篃鏈夊嚑鐐瑰煎緱璇存槑錛?br>
錛?錛夈乶al_unit_type 鍊間負 5 鐨?NALU 鍙細鍑虹幇鍦?IDR 鍥懼儚涓紝鑰?IDR 鍥懼儚涓殑鎵鏈?NALU 閮芥槸nal_unit_type 鍊間負 5 鐨?NALU錛?br>錛?錛夈佹垜浠互緇勬垚涓騫呭浘鍍忕殑鐗囩殑綾誨瀷鏉ュ尯鍒嗚鍥懼儚鏄惁鏄?IDR 鍥懼儚鏄敊璇?/strong>鐨勩?/div>
渚嬪錛?strong>涓騫呭浘鍍忎腑鐨勬墍鏈夌墖閮芥槸 I 鐗囧茍涓嶄唬琛ㄨ繖騫呭浘鍍忓氨鏄?IDR 鍥懼儚銆傚洜涓?I 鐗囦篃鍙互浠庡睘浜?nal_unit_type 鍊間負 1 鐨?NALU 涔熷嵆闈濱DR鍥懼儚鏈夊彲鑳藉叏閮ㄥ寘鍚獻鐗?/span>銆傚彧涓嶈繃鎴戜滑騫沖父鏈甯歌鍒扮殑褰㈠紡鏄細鎵鏈夌墖閮芥槸 I 鐗囩殑鍥懼儚灝辨槸 IDR 鍥懼儚銆傚叾瀹炶繖涓椂鍊?IDR 鍥懼儚鐨勬蹇典篃琚垜浠叿浣撳寲鍜岀粏灝忓寲浜嗐?浣咺DR鍥懼儚蹇呭畾鍏ㄩ儴鍖呭惈I鐗囨垨SI鐗囷紝涓嶈繃鍙湁鐢∟ALU鐨勭被鍨嬫墠鑳藉垽鏂槸涓嶆槸IDR鍥懼儚

涓騫呭浘鍍忕敱 1锝濶 涓墖緇?/strong>緇勬垚錛岃?strong>姣忎竴涓墖緇?/strong>鍙堢敱涓涓垨鑻ュ共涓墖緇勬垚 涓涓墖鐢變竴涓狽ALU鎴栦笁涓狽ALU錛堝亣濡傛湁鏁版嵁鍒嗗壊錛夌粍鎴?/span>銆?strong>鍥懼儚瑙g爜榪囩▼涓繪槸鎸夌収鐗囪繘琛岃В鐮?/strong>錛岀劧鍚庢寜鐓х墖緇勫皢瑙g爜瀹忓潡閲嶇粍鎴愬浘鍍忋備粠榪欑鎰忎箟涓婅錛?strong>鐗囧疄闄呮槸鏈澶х殑瑙g爜鍗曞厓銆?/div>
 
涓涓墖鍙堝寘鍚摢浜涚被鍨嬬殑瀹忓潡鍛紵
鏍囧噯“琛?-10”鍋氫簡鏈濂界殑璇存槑銆?/strong>
 
涓涓?I 瀹忓潡鍙堝垎涓哄摢浜涚被鍨嬪憿錛?/strong>
鏍囧噯“琛?-11”鍋氫簡鏈濂界殑璇存槑銆?/strong>
 
涓涓?P 瀹忓潡鍙堝垎涓哄摢浜涚被鍨嬪憿錛?/strong>
鏍囧噯“琛?-13”鍋氫簡鏈濂界殑璇存槑銆?/strong>
 
涓涓?B 瀹忓潡鍙堝垎涓哄摢浜涚被鍨嬪憿錛?/strong>
鏍囧噯“琛?-14”鍋氫簡鏈濂界殑璇存槑銆?/strong>
 
涓涓?P 瀹忓潡鐨勪簹瀹忓潡鍙堝垎涓哄摢浜涚被鍨嬪憿錛?/strong>
鏍囧噯“琛?-17”鍋氫簡鏈濂界殑璇存槑銆?/strong>
 
涓涓?B 瀹忓潡鐨勪簹瀹忓潡鍙堝垎涓哄摢浜涚被鍨嬪憿錛?/strong>
鏍囧噯“琛?-18”鍋氫簡鏈濂界殑璇存槑銆?/strong>


鍙跺瓙 2011-02-24 12:10 鍙戣〃璇勮
]]>鍏充簬MPEG2涓殑鍥懼儚搴忓垪鍜屽浘鍍忕粍澶碐OP http://www.shnenglu.com/elva/archive/2011/02/23/140515.html鍙跺瓙鍙跺瓙Wed, 23 Feb 2011 06:26:00 GMThttp://www.shnenglu.com/elva/archive/2011/02/23/140515.htmlhttp://www.shnenglu.com/elva/comments/140515.htmlhttp://www.shnenglu.com/elva/archive/2011/02/23/140515.html#Feedback3http://www.shnenglu.com/elva/comments/commentRss/140515.htmlhttp://www.shnenglu.com/elva/services/trackbacks/140515.html鍥懼儚搴忓垪

鍥懼儚搴忓垪鏄敱鍥懼儚緇勬瀯鎴愮殑錛屾槸闅忔満瀛樺彇孌佃惤銆?

sequence_header_code – The sequence_header_code is the bit string ‘000001B3’ in hexadecimal

sequence_end_code – The sequence_end_code is the bit string ‘000001B7’ in hexadecimal.

MPEG-2涓轟簡瀹炵幇闅忔満璁塊棶錛屽湪鐮佹祦涓細鎻掑叆repeat_sequence_header,瀹冨彲浠ユ彃鍦↖銆丳甯ф垨GOP鍓嶉潰錛涘亣濡傛槸鍦虹紪鐮侊紝鍙兘鎻掑湪絎竴鍦哄墠闈€?

鍥懼儚緇勫ご

鍥懼儚緇勶紙GOP錛夋槸涓烘柟渚塊殢鏈哄瓨鍙栬屽姞鐨勶紝鍥懼儚緇勬槸闅忔満瀛樺彇瑙嗛鍗曚綅銆備竴涓狦OP鐢變竴涓睮BP甯х粍鎴愶紝璧峰涓篒甯с傚熀鍑嗗撫(I/P)鐨勫弽澶嶉鐜囩敤M琛ㄧず錛屽畠鎻忚堪涓哄灝戝撫閲屽嚭鐜頒竴嬈/P甯с侴OP鐨勯暱搴︽槸涓涓狪甯у埌涓嬩竴涓狪 甯х殑闂撮殧錛屽嵆澶氬皯甯ч噷闈㈠嚭鐜頒竴嬈甯э紝涓鑸敤N琛ㄧず錛岃繖涓暱搴︽槸鍙彉鐨勶紝闀縂OP鍙互鎻愪緵楂樼殑鍘嬬緝姣旓紝浣嗘槸浼氶犳垚闅忔満瀛樺彇鐨勫歡榪燂紙蹇呴』絳夊埌涓嬩竴涓狪甯э級鍜岃宸殑縐瘡錛圥甯х殑璇樊浼犳挱錛夈備竴鑸槸涓縐掑唴鏈変袱涓狪甯э紝鐢ㄦ潵浣滀負闅忔満瀛樺彇鐨勫叆鍙c傚湪MPEG2涓篃娌℃湁瑙勫畾GOP鐨勭粨鏋勶紝甯у弽澶嶆柟寮忓彲浠ユ槸IP錛孖B錛孖BP錛孖BBP錛岀敋鑷沖叏閮ㄦ槸I甯с?

M=1 N=X錛欼PPP...

M=2 N=X錛欼BPBP...

M=3 N=X錛欼BBPBBP...

MPEG-2鏍囧噯涓殑GOP璇硶緇撴瀯濡備笅錛?

group_start_code – The group_start_code is the bit string ‘000001B8’ in hexadecimal.

closed_gop – This is a one-bit flag which indicates the nature of the predictions used in the first consecutive B-pictures (if any) immediately following the first coded I-frame following the group of picture header.closed_gop is set to ‘1’ to indicate that these B-pictures have been encoded using only backward prediction or intracoding.

broken_link – This is a one-bit flag which shall be set to ‘0’ during encoding. It is set to ‘1’ to indicate that the first
consecutive B-Pictures (if any) immediately following the first coded I-frame following the group of picture header may not be correctly decoded because the reference frame which is used for prediction is not available (because of the action of editing).A decoder may use this flag to avoid displaying frames that cannot be correctly decoded.


http://lyj2682.spaces.live.com/blog/cns!177B1314D2038BE4!142.entry



鍙跺瓙 2011-02-23 14:26 鍙戣〃璇勮
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EasyICE浣跨敤鏁欑▼http://www.shnenglu.com/elva/archive/2010/09/17/126855.html鍙跺瓙鍙跺瓙Fri, 17 Sep 2010 05:14:00 GMThttp://www.shnenglu.com/elva/archive/2010/09/17/126855.htmlhttp://www.shnenglu.com/elva/comments/126855.htmlhttp://www.shnenglu.com/elva/archive/2010/09/17/126855.html#Feedback2http://www.shnenglu.com/elva/comments/commentRss/126855.htmlhttp://www.shnenglu.com/elva/services/trackbacks/126855.htmlEasyICE TS嫻佸垎鏋愯蔣浠?/span>

浣跨敤璇存槑

 

鐩綍

鍔熻兘綆浠?/span>... 2

榪愯鐜瑕佹眰錛?/span>... 2

璇︾粏浠嬬粛錛?/span>... 2

A.     濯掍綋鎾斁錛?/span>... 3

B.     濯掍綋淇℃伅... 4

C.     PSI/SI 5

D.     PID緇熻... 6

E.     鍥捐〃... 6

1.鏃墮棿鎴充俊鎭?/span>... 7

2.PCR鎶栧姩... 8

3.GOP鍒楄〃... 9

4.GOP鎶栧姩... 10

5.鐮佺巼鎶栧姩... 11

F.     鏁版嵁鍖呰鍥?/span>... 12

G.    灝忓伐鍏?/span>... 13

1.     PID鎶藉彇... 13

2.     閲嶈PID.. 13

3.     204杞?/span>188. 14

杞歡緙虹偣... 14

鍏朵粬璇存槑... 14

闂鎶ュ憡... 15

鍚庤... 15

 


 

 

鍔熻兘綆浠?/span>

鏈▼搴忔槸涓嬈?/span>TS鏂囦歡闈欐佸垎鏋愬伐鍏鳳紝鏀寔188/204銆佸崟璺?/span>/澶氳礬鑺傜洰 mpeg2/h.264錛屽垎鏋愭ā鍧楅綈鍏紝鏀寔鐗瑰ぇ鏂囦歡錛屽茍鍏鋒湁涓嫻佺殑澶勭悊閫熷害銆傚叾涓昏鍔熻兘濡備笅錛?/span>

濯掍綋鎾斁

濯掍綋璇︾粏淇℃伅

PID緇熻

鍚屾鍒嗘瀽錛?/span>GOP緇熻錛岀爜鐜囧彉鍖栧垎鏋?/span>

PSI/SI瑙f瀽

TS鍖呭垪琛ㄣ佸崄鍏繘鍒舵樉紺猴紝TS澶達紝璋冩暣瀛楁錛?/span>PES棣栭儴瑙f瀽

 

 

榪愯鐜瑕佹眰錛?/span>

1.Windowns2000浠ヤ笂鎿嶄綔緋葷粺

2.IE6.0浠ヤ笂

3.鍐呭瓨錛?/span>128M浠ヤ笂

 

 

璇︾粏浠嬬粛錛?/span>

閫夋嫨鎵撳紑涓涓?/span>TS鏂囦歡錛?/span>

閫氳繃鑿滃崟鏍忔垨宸ュ叿鏍忔墦寮錛屾垨灝嗘枃浠舵嫋鍔ㄥ埌EasyICE錛屽彲浠ョ湅鍒板涓嬪璇濇

 

 

浣犲彲浠ュ湪榪欓噷閫夋嫨鍒嗘瀽鏁翠釜鏂囦歡鎴栭儴鍒嗘暟鎹?/span>

 

A.     濯掍綋鎾斁錛?/span>

 

褰撴枃浠跺垎鏋愬畬姣曪紝鎾斁鍣ㄧ獥鍙d細琚垵濮嬪寲錛屽茍澶勪簬鏆傚仠鐘舵侊紝鍗曞嚮鎾斁鎸夐挳寮濮嬫挱鏀俱?/span>

鎾帶鎸夐挳錛?/span>

渚濇涓猴細鎾斁銆佹殏鍋溿佸仠姝€侀檷浣庢挱鏀鵑熷害銆佸姞澶ф挱鏀鵑熷害銆侀愬撫鎾斁

鎾斁閫熷害鐨勮皟鏁村垎涓冧釜綰у埆錛?/span>

1/4閫熴?/span>1/3閫熴?/span>1/2閫熴佹甯擱熷害銆?/span>2鍊嶉熴?/span>3鍊嶉熴佸洓鍊嶉?/span>

褰撳墠鎾斁閫熷害浼氬湪“璐ㄩ噺”鍖烘樉紺?/span>

“鑺傜洰”鍖哄垪鍑轟簡褰撳墠嫻佷腑鎵鍚湁鐨勮妭鐩紝鍗曞嚮鍗沖彲鎾斁閫変腑鑺傜洰錛屽睍寮鍙互鐪嬪埌鑺傜洰鐨勪笁涓?/span>PID錛氳棰戙侀煶棰戙?/span>PCR

“璐ㄩ噺”鍖烘樉紺轟簡褰撳墠鎾斁濯掍綋鐨勭畝鍗曚俊鎭紝濡傛挱鏀鵑熷害絳夛紝浣嗙敱浜庤蔣浠墮棶棰樻湁浜涙暟鎹幏鍙栦笉鍒版垨瀛樺湪闂錛岃浠?#8220;濯掍綋淇℃伅”鏍忔嫻嬬粨鏋滀負鍑嗐?/span>

 

鐗瑰埆鐨勶紝杞歡棣栧厛浼氭煡鎵炬祦涓殑PSI/SI淇℃伅錛屽鏋滃瓨鍦紝灝嗘寜鐓?/span>PSI/SI淇℃伅瑙f瀽錛屽鏋滀笉瀛樺湪錛岃蔣浠跺皢鑷繁灝濊瘯媯嫻嬭闊抽PID鍙?/span>PCRPID

 

濡傛灉浣犳病鏈夌湅鍒版挱鏀懼櫒鐢婚潰錛岃〃鏄庤蔣浠舵病鏈夋壘鍒拌棰戞祦鎴栨病鏈夋壘鍒?/span>PCR

 

B.     濯掍綋淇℃伅

 

 

璇ユā鍧楁樉紺轟簡瑙嗛搴忓垪錛岄煶棰戝撫鐨勫嚑涔庢墍鏈夊弬鏁幫紝浠ュ強瑙嗛煶棰戞祦鏁伴噺銆傚叿浣撲笉鍐嶅彊榪?/span>

 

 

C.      PSI/SI

 

姝ゆā鍧楀鎵鏈夌殑PSI/SI榪涜浜嗚В鏋愶紝褰撴祦涓瓨鍦?/span>PSI/SI鏁版嵁鏃訛紝浼氬湪姝ゆā鍧楀垪鍑恒傚湪瑙嗗浘涓偣鍑婚紶鏍囧彸閿紝鍙互灞曞紑/鎶樺彔鎵鏈夎妭鐐廣?/span>

 

D.    PID緇熻

 

 

鍒楀嚭褰撳墠TS嫻佷腑鍚勪釜PID鍑虹幇鐨勬暟閲忓強鍗犵敤鐧懼垎姣旓紝鎵灞炵被鍨?/span>

 

 

E.      鍥捐〃

褰撴祦涓瓨鍦ㄥ璺妭鐩椂錛屽浘鏍囩晫闈細鏄劇ず涓鑺傝妭鐩夋嫨瀵硅瘽妗嗭紝鍗曞嚮鍙互鏄劇ず鐩稿簲鑺傜洰鍥捐〃

1.鏃墮棿鎴充俊鎭?/span>

 

鏃墮棿鎴沖浘琛ㄦ樉紺虹殑鏄紝DTS銆?/span>PTS鍑虹幇鏃訛紝涓?/span>PCR鐨勯噰鏍楓備笌“PCR鎶栧姩”鍥捐〃鐩稿悓鐨勬槸錛屾椂闂存埑浠?/span>PCR鏃墮挓涓哄熀鍑嗐?/span>DTS涓?/span>PTS鍊煎彇鑷棰戞祦涓殑I甯с傜敱浜庡撫鐨勭紪鐮侀『搴忎笌鏄劇ず欏哄簭鐨勫叧緋伙紝涓嶅彇B銆?/span>P鎴栧叾浠栧撫鐨?/span>PTS涓?/span>DTS錛屽惁鍒欐椂闂村氨涓嶆槸绱姞鐨勩?/span>

婊氬姩榧犳爣婊氳疆鍙互緙╂斁/鎵╁睍鍥捐〃鏄劇ず錛岃繖閲屽ぇ綰︽彁渚涗簡20鍊嶇殑鎵╁睍錛屽鏋滀綘闇瑕佹樉紺烘洿灝忔暟閲忕駭鐨勫浘琛紝鍙互鍦ㄥ紑濮嬪垎鏋愭枃浠舵椂閫夋嫨灝戝垎鏋愪竴浜涙暟鎹?/span>

鍥懼儚鍙互鐢ㄩ紶鏍囨嫋鍔紝鏉ヨ皟鏁存樉紺轟綅緗?/span>

鍦ㄥ浘琛ㄤ笂鐐瑰嚮鍙抽敭錛屽彲浠ラ夋嫨灝嗗綋鍓嶅浘鏍囧瓨鍌ㄤ負png/jpg絳夋牸寮忕殑鍥劇墖銆?/span>

2.PCR鎶栧姩

 

DTS涓?/span>PCR銆?/span>PTS涓?/span>PCR鐨勫樊鍊?/span>

 

3.GOP鍒楄〃

 

 

瑙嗛鐨?/span>GOP緇撴瀯

 

4.GOP鎶栧姩

 

 

GOP緇撴瀯鍙樺寲

 

5.鐮佺巼鎶栧姩

 

鐮佺巼緙栫爜鏇茬嚎錛屽浘涓殑姣忎竴涓偣涓烘瘡嬈¢噰鏍鳳紝鐮佺巼璁$畻鏂瑰紡涓猴細涓や釜PCR鍖呬箣闂寸殑TS鍖呮暟閲忛櫎浠ユ椂闂?/span>

 

F.      鏁版嵁鍖呰鍥?/span>

 

鏁版嵁鍖呭垪琛ㄤ腑鏄劇ず浜嗗寘ID錛岀被鍨嬶紝Payload鏄惁涓虹湡浠ュ強PCR絳夋暟鎹紝鐐歸夋煇涓潯鐩紝鍙互鏄劇ず鐩稿簲TS鍖呯殑鍗佸叚榪涘埗錛屽強鏍囩ず浣嶇瓑淇℃伅銆?/span>

鍦ㄦ暟鎹寘鍒楄〃鐐瑰嚮鍙抽敭錛屽彲浠ユ墽琛屼笂涓嬬炕欏碉紝鎴栦繚瀛橀変腑TS鍖呯瓑鎿嶄綔銆?/span>

鑺傜偣鍒楄〃鐨勫寘榪囨護鍣ㄥ皻鏈疄鐜般?/span>

 

G.     灝忓伐鍏?/span>

1.      PID鎶藉彇

 

濉叆浣犺鎶藉彇鍑烘潵鐨?/span>PID錛屽鏋滄湁澶氫釜錛屼互鑻辨枃鐨勯楀彿闅斿紑銆傛澶勭殑PID瑕佸~鍗佽繘鍒?/span>

2.      閲嶈PID

 

濉叆瑕侀噸璁劇殑鍘熷鍙婄洰鐨?/span>PID錛屽間負鍗佽繘鍒?/span>

3.      204杞?/span>188

 

204鍖呴暱鐨?/span>TS嫻佽漿涓?/span>188鍖呴暱

 

杞歡緙虹偣

鐩告瘮鍚岀被鐨?/span>TS鍒嗘瀽杞歡錛屾湰紼嬪簭鑷沖皯瀛樺湪浠ヤ笅涓嶈凍錛?/span>

娌℃湁瀵規弿榪板瓙榪涜瑙f瀽

娌℃湁瀵硅繛緇鏁版牎楠岋紝PCR闂撮殧鏍¢獙絳夐獙璇佷俊鎭?/span>

娌℃湁瀵硅棰戝簭鍒楀崗璁殑瑙f瀽

娌℃湁鏁版嵁鍖呮煡鎵懼姛鑳?/span>

娌℃湁PID榪囨護鍔熻兘錛屾棤娉曞悇PID鐨?/span>TS鍖呭垎綾繪樉紺?/span>

娌℃湁鍙嬪ソ鐨勮娉曞垎鏋?/span>

娌℃湁杞鐢ㄥ姛鑳?/span>

涓嶆敮鎸佸姞瑙f壈

 

鍏朵粬璇存槑

杞歡鐨勫鐞嗘満鍒舵槸錛屽綋嫻佷腑瀛樺湪PSI/SI淇℃伅鏃訛紝瀵硅妭鐩殑鍒嗘瀽灝嗗畬鍏ㄤ緷鐓?/span>PMT瀵硅妭鐩殑璇存槑錛屽綋涓嶅瓨鍦?/span>PSI/SI淇℃伅鏃訛紝杞歡浼氳嚜宸卞垽鏂祦涓槸鍚﹀惈鏈夐煶瑙嗛銆?/span>PCR絳変俊鎭紝騫跺鍒嗘瀽嫻佺被鍨嬨備絾鏄紝涓浜涚壒鍒殑鎯呭喌錛屼緥濡備笉鍚湁PCR淇℃伅錛屽湪“鏁版嵁鍖?#8221;鍙?#8220;PID”瑙嗗浘涓鍖呯被鍨嬬殑鏄劇ず浼氭槸“鏈煡”鐘舵侊紝鑰?#8220;MediaInfo”瑙嗗浘瀵規祦鐨勫垎鏋愬垯鏄嫭绔嬬殑錛屾偍搴斿綋浠?#8220;MediaInfo”瑙嗗浘鏄劇ず鐨勭粨鏋滀負鍑嗐?/span>

闂鎶ュ憡

褰撴偍鍦ㄤ嬌鐢ㄨ繃紼嬪綋涓亣鍒伴棶棰橈紝鎴栧彂鐜拌蔣浠?/span>bug錛屽彲浠ヤ笌鎴戣仈緋伙紝璇鋒偍灝嗛棶棰樿緇嗘弿榪幫紝鏈濂藉啀闄勫姞涓婇亣鍒伴棶棰樼殑TS嫻侊紙5-10M鍗沖彲錛夛紝鍙戦偖浠剁粰鎴戯紝鎴戜細灝藉揩涓烘偍絳斿銆?/span>

 

鍚庤

鑷?/span>2.2.1鐗堟湰璧鳳紝杞歡灝嗗彇娑堜嬌鐢ㄦ椂闂撮檺鍒訛紝鍥犱負鎴戞棤娉曞啀淇濋殰鏇存柊閫熷害銆?/span>EasyICE鏄笟浣欐椂闂村紑鍙戯紝涓騫村鏉ユ秷鑰椾簡澶鐨勬椂闂翠笌綺懼姏錛屾湁鏃朵負浜嗚璁′竴縐嶇晫闈㈠竷灞浼氳冭檻濂藉嚑澶╋紝鎴栬呬負浜嗕紭鍖栧鐞嗛熷害璋冩暣瀹炵幇鏂瑰紡錛岀敋鑷蟲暣涓噸鏋勩傝櫧鐒剁幇鍦ㄤ篃涓嶅敖瀹岀編錛屼絾鎴戜竴鐩村湪灝介噺鍦板幓鍋氥傚緢澶氱悊鎯崇殑鍔熻兘灝氭湭瀹炵幇錛岄偅浜涘彲鑳戒笉鍐嶈娣誨姞浜嗭紝瀹炲湪娌℃湁鏃墮棿銆?/span>

 

鏈蔣浠朵緵浜ゆ祦瀛︿範浣跨敤錛屾偍鏃犻』涓烘鏀粯璐圭敤錛屼絾涓嶅緱鐢ㄤ簬鍟嗕笟鐢ㄩ斻?/span>

鑷磋阿錛?/span>Easy, hero, 浠嬩簬01, 甯堝倕:nooby

 

鐗堟潈鎵鏈夛細Z錕犲ぉ浣?/span>

Win鍐呮牳椹卞姩寮鍙?/span>QQ緹わ細75446994

瑙嗛緙栬В鐮?/span>QQ緹わ細85390662

Email: shangxinjian1972@163.com

 

2010/9/14 浜庡寳浜?/span>



鍙跺瓙 2010-09-17 13:14 鍙戣〃璇勮
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LC wince WindowsMobile 緙栬瘧榪囩▼錛堣漿錛?/title><link>http://www.shnenglu.com/elva/archive/2010/08/14/123394.html</link><dc:creator>鍙跺瓙</dc:creator><author>鍙跺瓙</author><pubDate>Fri, 13 Aug 2010 17:01:00 GMT</pubDate><guid>http://www.shnenglu.com/elva/archive/2010/08/14/123394.html</guid><wfw:comment>http://www.shnenglu.com/elva/comments/123394.html</wfw:comment><comments>http://www.shnenglu.com/elva/archive/2010/08/14/123394.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.shnenglu.com/elva/comments/commentRss/123394.html</wfw:commentRss><trackback:ping>http://www.shnenglu.com/elva/services/trackbacks/123394.html</trackback:ping><description><![CDATA[<font color="#9587FF" face="Arial, Helvetica, sans-serif" size="4"><span style="font-size: 14px; line-height: 22px;">錛堜竴錛夋惌寤虹紪璇戠幆澧?br style="line-height: 22px; "><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">錛?錛夊畨瑁匔ygwin銆?/p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">涓嬭澆鍦板潃錛?a target="_parent" style="line-height: 22px; text-decoration: none; color: rgb(255, 57, 248); ">http://www.cygwin.com/setup.exe</a></p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">浠ヤ笅閫夐」涓哄繀閫夐」錛堝ソ璞℃槸涓嶅叏錛夛紝鐗堟湰鍏ㄦ寜鏈鏂扮殑錛屾潯浠跺厑璁哥殑璇濓紝鍙互鍏ㄩ儴瀹夎銆傚崰鐢ㄧ┖闂存瘮杈冨ぇ銆?/p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; "> </p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">Archive <br style="line-height: 22px; ">    unzip (5.52-2)<br style="line-height: 22px; ">    zip (2.32-2)<br style="line-height: 22px; ">Devel <br style="line-height: 22px; ">    autoconf (4-1 2.13-3 2.61-1)<br style="line-height: 22px; ">    automake (2-1 1.10-1 1.4p6-4 1.5-2 1.63-3 1.7.9-3 1.8.5-3 1.9.6-2)<br style="line-height: 22px; ">    binutils (20080624)<br style="line-height: 22px; ">    cvs (1.11.22-1)<br style="line-height: 22px; ">    gcc (3.4.4-3)<br style="line-height: 22px; ">    gcc-core (3.4.4-3)<br style="line-height: 22px; ">    gcc-g++ (3.4.4-3)<br style="line-height: 22px; ">    gcc-mingw (20040810-1)<br style="line-height: 22px; ">    gcc-mingw-core (20050522-1)<br style="line-height: 22px; ">    gcc-mingw-g++ (20050522-1)<br style="line-height: 22px; ">    gdb (6.8-2)<br style="line-height: 22px; ">    gettext (0.15-1)<br style="line-height: 22px; ">    gettext-devel (0.15-1)<br style="line-height: 22px; ">    git (1.6.0.2-1)<br style="line-height: 22px; ">    libiconv (1.11-1)<br style="line-height: 22px; ">    libgcrypt-devel (1.41-4)<br style="line-height: 22px; ">    libtool (1.5.27a-1)<br style="line-height: 22px; ">    make (3.81-2)<br style="line-height: 22px; ">    mingw-runtime (3.15.1-1) <br style="line-height: 22px; ">    nasm (2.02-1)<br style="line-height: 22px; ">    patchutils (0.2.31-2)<br style="line-height: 22px; ">    pkg-config (0.23a-2)<br style="line-height: 22px; ">    subversion (1.5.2-1)<br style="line-height: 22px; ">Editor <br style="line-height: 22px; ">    vim (7.2-3)<br style="line-height: 22px; ">Libs <br style="line-height: 22px; ">    expat (2.0.1-1)<br style="line-height: 22px; ">    libgcrypt (1.4.1-4)<br style="line-height: 22px; ">Web <br style="line-height: 22px; ">    curl (optional: for building extras/contrib) (7.16.3-1)<br style="line-height: 22px; ">    wget (optional: for building extras/contrib) (1.11.3-1)</p><br style="line-height: 22px; ">錛?錛夊畨瑁卪ingw32ce銆?br style="line-height: 22px; "><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">涓嬭澆鍦板潃錛?/p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; "><a style="line-height: 22px; text-decoration: none; color: rgb(255, 57, 248); ">http://cdnetworks-kr-2.dl.sourceforge.net/project/cegcc/cegcc/0.59.1/cegcc_mingw32ce_cygwin1.7_r1375.tar.bz2</a></p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">瑙e帇鍛戒護錛歵ar xjf arm-mingw32ce-0.59.1.tar.bz2 -C</p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">鍦╳indows涓嬭В鍘嬩篃琛岋紝浣嗘湁鐨勬椂鍊欎細灝戞枃浠訛紝鏈濂界敤linux鍛戒護瑙e帇錛岃В鍘嬪畬鎷瘋礉鍒?opt/mingw32ce  (榛樿瑙e帇鍦ㄥ綋鍓嶇洰褰曪紝榪欎釜鍖呮槸涓帇緙╁寘錛屾病鏈夎礬寰?銆?/p><br style="line-height: 22px; ">錛?錛夊畨瑁呯涓夋柟搴撱?br style="line-height: 22px; "><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">涓嬭澆鍦板潃錛?/p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">http://download.videolan.org/pub/testing/contrib/contrib-20091114-wince-bin-gcc-4.1.0-runtime-3.15.2-only.tar.bz2</p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">瑙e帇鍒幫細<br style="line-height: 22px; ">/usr/wince<br style="line-height: 22px; "></p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; "><br style="line-height: 22px; ">娉ㄦ剰涓涓棶棰橈細姝ゅ涓嬭澆鐨勫簱錛屼竴瀹氳鍜孷LC浠g爜鍖歸厤銆?br style="line-height: 22px; "></p><br style="line-height: 22px; ">錛?錛変笅杞絍LC浠g爜銆?br style="line-height: 22px; "><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">涓嬭澆鍦板潃錛?/p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; "><a style="line-height: 22px; text-decoration: none; color: rgb(255, 57, 248); ">http://download.videolan.org/pub/videolan/vlc/1.0.5/vlc-1.0.5.tar.bz2</a></p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">瑙e帇鐩綍錛?/p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">\home\UserName\vlc-1.0.5\</p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">騫朵笖榪涘叆璇ョ洰褰曟墽琛岋細</p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">./bootstrap</p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">涓鑸病鏈夐敊璇紝鍙兘鍑虹幇鐨勯敊璇細</p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">+ aclocal-1.9 -I m4 <br style="line-height: 22px; ">/usr/bin/m4:configure.ac:4643: cannot create temporary file for diversion: Permission denied</p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">autom4te-2.61: /usr/bin/m4 failed with exit status: 1 <br style="line-height: 22px; ">aclocal-1.9: autom4te failed with exit status: 1</p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">鍒嗘瀽錛氭潃姣掕蔣浠舵湁鍏崇郴銆?/p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">瑙e喅鏂規硶錛氬叧闂潃姣掕蔣浠墮噸鏂拌繍琛?/bootstrap銆?/p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; "> </p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">鑷蟲鍑嗗宸ヤ綔灝卞畬鎴愩?/p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; "> </p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; "> 錛堜簩錛夐厤緗紪璇戦夐」<br style="line-height: 22px; "></p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">寤虹珛涓涓猚onf-vlc.sh鏂囦歡錛屽緩璁敤UltraEdit鎵撳紑錛岀紪杈戯紝濡傛灉鐩存帴鏂囨湰緙栬緫鐨勮瘽鏈鍚庣紪杈戝畬鐨勬枃浠墮渶瑕佺敤</p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">dos2unix conf-vlc.sh</p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">杞崲鑴氭湰鐨勭紪鐮佹牸寮忋傦紙娉ㄦ剰琛屽熬鐨勭┖鏍煎拰鏂滅嚎錛屾渶鍚庝竴琛屽彧鏈夌┖鏍兼病鏈夋枩綰匡級銆傛枃浠剁殑寮濮嬪嚑琛屾槸璁劇疆涓浜涜礬寰勶紝涓鑸篃涓嶉渶瑕佷慨鏀廣傚悗杈歸儴鍒嗕富瑕佹槸瀵筕LC鐨勫姛鑳界殑娣誨姞鍜屽垹闄ゃ傛湁寰堝閫夐」閮芥湁榛樿鍊鹼紝鍏蜂綋璇鋒墽琛屽懡浠わ細</p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">./configure –help > conf.txt</p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">鍚庯紝鍦╟onf.txt涓煡鐪嬪叿浣撻夐」璁劇疆璇存槑銆?/p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">涓嬮潰鐨勫垪鍑虹殑鏄紝VLC1.0.5鐗堟湰璁劇疆鎴愬姛鐨刢onf-vlc.sh</p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">PATH=/opt/mingw32ce/bin:$PATH \</p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">CPPFLAGS="-I/usr/wince/include -D_WIN32_WCE=0x0500" \</p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">LDFLAGS="-L/usr/wince/lib" \</p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">PKG_CONFIG_LIBDIR=/usr/wince/lib/pkgconfig \</p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">./configure --host=arm-mingw32ce \</p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">            --enable-dshow --enable-bda --disable-hal --disable-activex --disable-vlc \</p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">            --disable-directx --disable-dvdnav --disable-libgcrypt --enable-wingdi \</p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">            --disable-remoteosd --disable-sdl --disable-skins2 \</p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">            --disable-faad --enable-mad --enable-wingdi --enable-waveout \</p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">            --enable-mkv --enable-httpd --enable-libmpeg2 --enable-ogg \</p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">            --enable-live555 --enable-realrtsp --enable-bda \</p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">            --enable-ffmpeg --with-ffmpeg-mp3lame --with-ffmpeg-faac \</p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">            --with-ffmpeg-zlib --enable-faad --enable-flac --enable-theora \</p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">            --enable-csri --enable-libass --enable-asademux --enable-freetype=/usr/wince/freetype-2.3.12 \</p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">            --enable-release --enable-disable --enable-optimizations --enable-sse --enable-mmx --enable-optimize-memory</p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; "> </p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">緙栬緫瀹宑onf-vlc.sh鏂囦歡錛屾墽琛岃剼鏈細</p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">./conf-vlc.sh</p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">濡傛灉鑴氭湰閬囧埌浜嗙被浼糚ermission denied鐨勯敊璇紝鎻愬崌鑴氭湰鐨勬潈闄愶細</p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">chmod 777 configure-vlc01.sh<br style="line-height: 22px; ">濡傛灉榪樻湁閿欒錛屼竴鑸槸瀵瑰簲鐨勫簱娌℃湁錛屾垨鑰呯増鏈笉瀵廣?/p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">瑙佸埌浠ヤ笅鍐呭璇存槑鑴氭湰榪愯鎴愬姛浜嗐?/p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">You can tune the compiler flags in vlc-config. <br style="line-height: 22px; ">To build vlc and its plugins, type `./compile' or `make'.</p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; "> </p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">鑷蟲閰嶇疆宸ヤ綔灝卞畬鎴愪簡</p><br style="line-height: 22px; ">錛堜笁錛夌紪璇戜唬鐮?br style="line-height: 22px; "><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">鎵ц鍛戒護錛?/p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">make</p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">濡傛灉鍒氭墽琛屽嚑琛屽氨鍑虹幇閿欒錛岃閲嶆柊璁劇疆PATH錛屽懡浠わ細</p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">PATH=/opt/mingw32ce/bin:$PATH</p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; "> </p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">濡傛灉涓旈亣鍒板叧閿瓧atoll鐨勯敊璇紝鎵撳紑config.h鎼滅儲鍏抽敭瀛梐toll</p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">娉ㄦ帀浠ヤ笅浠g爜錛?/p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">#define HAVE_ATOLL 1</p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">濡傛灉涓旈亣鍒板叧閿瓧iconv鐨勯敊璇紝鎵撳紑config.h鎼滅儲鍏抽敭瀛梚conv</p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">娉ㄦ帀浠ヤ笅浠g爜錛?/p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">#define HAVE_ICONV 1</p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">鍐嶉亣鍏朵粬閿欒錛屾鏌ib鏄惁姝g‘錛屽疄鍦ㄤ笉琛屽皢鐩稿叧妯″潡鍦?a name="OLE_LINK1" style="line-height: 22px; text-decoration: none; color: rgb(255, 57, 248); ">conf-vlc.sh</a></p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">涓璬isable鎺夈傦紙闇瑕侀噸鏂拌繍琛宑onf-vlc.sh錛?/p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; "> </p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">鏈鍚庢墦鍖呫?/p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">鎵ц錛?/p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">make package-wince</p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">灝辮兘鐩存帴灝嗙敓鎴愮殑鏂囦歡鎵撳寘鎴恦lc-1.0.5.zip</p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">鎴栬呮墽琛岋細</p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">make package-wince-base</p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">寰楀埌涓涓獀lc-1.0.5鐨勭洰褰?/p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; "> </p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">鑷蟲鎴戜滑灝辮兘寰楀埌鎴戜滑瑕佺殑DLLs浜?/p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; "><br></p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; ">鍘熷湴鍧錛?/p><p style="line-height: 22px; margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; text-indent: 2em; "><a >http://bk6.blog.163.com/blog/static/24498560201051193449196/</a></p></span></font> <img src ="http://www.shnenglu.com/elva/aggbug/123394.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.shnenglu.com/elva/" target="_blank">鍙跺瓙</a> 2010-08-14 01:01 <a href="http://www.shnenglu.com/elva/archive/2010/08/14/123394.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>RTSP鍗忚http://www.shnenglu.com/elva/archive/2010/08/13/123313.html鍙跺瓙鍙跺瓙Fri, 13 Aug 2010 03:45:00 GMThttp://www.shnenglu.com/elva/archive/2010/08/13/123313.htmlhttp://www.shnenglu.com/elva/comments/123313.htmlhttp://www.shnenglu.com/elva/archive/2010/08/13/123313.html#Feedback0http://www.shnenglu.com/elva/comments/commentRss/123313.htmlhttp://www.shnenglu.com/elva/services/trackbacks/123313.html鍥犱負欏圭洰闇瑕侊紝瀛︿範浜嗕竴涓婻TSP鍗忚錛屼負浜嗛槻姝互鍚庡繕璁幫紝灝辨妸瀛︿範榪囩▼鍜屾垚鏋滆杞戒笅鏉ャ傛湡闂村弬鑰冧簡涓浜涚綉涓婄殑璧勬枡錛屽茍鍒嗘瀽浜哣LC鐨凴TSP鎶ユ枃銆?/font>
    RTSP錛圧eal Time Streaming Protocol錛屽疄鏃舵祦鍗忚錛夛紝鏄敱Real Network鍜孨etscape鍏卞悓鎻愬嚭鐨勫浣曟湁鏁堝湴鍦↖P緗戠粶涓婁紶杈撴祦濯掍綋鏁版嵁鐨勫簲鐢ㄥ眰鍗忚銆俁TSP鎻愪緵涓縐嶅彲鎵╁睍鐨勬鏋訛紝鑳藉鎻愪緵鍙帶鍒剁殑錛屾寜闇 浼犺緭鐨勫疄鏃舵暟鎹紝姣斿闊抽鍜岃棰戞枃浠躲傛簮鏁版嵁鍙互鍖呮嫭鐜板満鏁版嵁鐨勫弽棣堝拰瀛樺偍鐨勬枃浠躲俁TSP瀵規祦濯掍綋鎻愪緵浜嗚濡傛殏鍋滐紝蹇繘絳夋帶鍒訛紝鑰屽畠鏈韓騫朵笉浼犺緭鏁? 鎹紝RTSP鐨勪綔鐢ㄧ浉褰撲簬嫻佸獟浣撴湇鍔″櫒鐨勮繙紼嬫帶鍒躲備紶杈撴暟鎹彲浠ラ氳繃浼犺緭灞傜殑TCP/UDP鍗忚錛孯TSP涔熸彁渚涗簡鍩轟簬RTP浼犺緭鏈哄埗鐨勪竴浜涙湁鏁堢殑鏂規硶銆?br>RTSP娑堟伅鏍煎紡錛?br>RTSP鐨勬秷鎭湁涓ゅぇ綾伙紝涓鏄姹傛秷鎭?request)錛屼竴鏄洖搴旀秷鎭?response)錛屼袱縐嶆秷鎭殑鏍煎紡涓嶅悓銆?br>璇鋒眰娑堟伅錛?br>       鏂規硶 URI RTSP鐗堟湰 CR LF
       娑堟伅澶?CR LF CR LF        
       娑堟伅浣?CR LF
   鍏朵腑鏂規硶鍖呮嫭OPTIONS鍥炲簲涓墍鏈夌殑鍛戒護錛孶RI鏄帴鏀舵柟錛堟湇鍔$錛夌殑鍦板潃錛屼緥濡傦細rtsp://192.168.22.136:5000/v0
RTSP鐗堟湰涓鑸兘鏄疪TSP/1.0銆傛瘡琛屽悗闈㈢殑CR LF琛ㄧず鍥炶濺鎹㈣錛岄渶瑕佹帴鏀剁鏈夌浉搴旂殑瑙f瀽錛屾渶鍚庝竴涓秷鎭ご闇瑕佹湁涓や釜CR LF
鍥炲簲娑堟伅錛?br>       RTSP鐗堟湰 鐘舵佺爜 瑙i噴 CR LF
       娑堟伅澶?CR LF CR LF
       娑堟伅浣?CR LF
    鍏朵腑RTSP鐗堟湰涓鑸兘鏄疪TSP/1.0錛岀姸鎬佺爜鏄竴涓暟鍊鹼紝200琛ㄧず鎴愬姛錛岃В閲婃槸涓庣姸鎬佺爜瀵瑰簲鐨勬枃鏈В閲娿?br>綆鍗曠殑RTSP浜や簰榪囩▼錛?br>C琛ㄧずRTSP瀹㈡埛绔紝S琛ㄧずRTSP鏈嶅姟绔?br>1.C->S錛歄PTIONS request    //璇㈤棶S鏈夊摢浜涙柟娉曞彲鐢?br>1.S->C錛歄PTIONS response   //S鍥炲簲淇℃伅涓寘鎷彁渚涚殑鎵鏈夊彲鐢ㄦ柟娉?br>
2.C->S錛欴ESCRIBE request   //瑕佹眰寰楀埌S鎻愪緵鐨勫獟浣撳垵濮嬪寲鎻忚堪淇℃伅
2.S->C錛欴ESCRIBE response  //S鍥炲簲濯掍綋鍒濆鍖栨弿榪頒俊鎭紝涓昏鏄痵dp
 
3.C->S錛歋ETUP request      //璁劇疆浼氳瘽鐨勫睘鎬э紝浠ュ強浼犺緭妯″紡錛屾彁閱扴寤虹珛浼氳瘽
3.S->C錛歋ETUP response     //S寤虹珛浼氳瘽錛岃繑鍥炰細璇濇爣璇嗙錛屼互鍙婁細璇濈浉鍏充俊鎭?br> 
4.C->S錛歅LAY request       //C璇鋒眰鎾斁
4.S->C錛歅LAY response      //S鍥炲簲璇ヨ姹傜殑淇℃伅
 
S->C錛氬彂閫佹祦濯掍綋鏁版嵁
5.C->S錛歍EARDOWN request   //C璇鋒眰鍏抽棴浼氳瘽
5.S->C錛歍EARDOWN response  //S鍥炲簲璇ヨ姹?br> 
    涓婅堪鐨勮繃紼嬫槸鏍囧噯鐨勩佸弸濂界殑rtsp嫻佺▼錛屼絾瀹為檯鐨勯渶姹備腑騫朵笉涓瀹氭寜閮ㄥ氨鐝潵銆傚叾涓3鍜?姝ユ槸蹇呴渶鐨勶紒絎竴姝ワ紝鍙鏈嶅姟鍣ㄥ鎴風綰﹀畾濂斤紝鏈夊摢浜涙柟娉曞彲 鐢紝鍒橭PTIONS璇鋒眰鍙互涓嶈銆傜浜屾錛屽鏋滄垜浠湁鍏朵粬閫斿緞寰楀埌濯掍綋鍒濆鍖栨弿榪頒俊鎭紙姣斿http璇鋒眰絳夌瓑錛夛紝鍒欐垜浠篃涓嶉渶瑕侀氳繃RTSP涓殑 DESCRIBE璇鋒眰鏉ュ畬鎴愩傜浜旀錛屽彲浠ユ牴鎹郴緇熼渶姹傜殑璁捐鏉ュ喅瀹氭槸鍚﹂渶瑕併?br>rtsp涓父鐢ㄦ柟娉曪細
1.OPTIONS
鐩殑鏄緱鍒版湇鍔″櫒鎻愪緵鐨勫彲鐢ㄦ柟娉曪細
OPTIONS rtsp://192.168.22.136:5000/v0 RTSP/1.0
CSeq: 1 //姣忎釜娑堟伅閮芥湁搴忓彿鏉ユ爣璁幫紝絎竴涓寘閫氬父鏄疧PTIONS璇鋒眰娑堟伅
User-Agent: bestilyq //鑷畾涔夌殑瀛楃涓?br> 
鏈嶅姟鍣ㄧ殑鍥炲簲淇℃伅鍖呮嫭鎻愪緵鐨勪竴浜涙柟娉曘備緥濡傦細
RTSP/1.0 200 OK
Cseq: 1         //姣忎釜鍥炲簲娑堟伅鐨刢seq鏁板煎拰璇鋒眰娑堟伅鐨刢seq鐩稿搴?br>Public: OPTIONS, DESCRIBE, SETUP, TEARDOWN, PLAY //鏈嶅姟鍣ㄦ彁渚涚殑鍙敤鐨勬柟娉?br>
2.DESCRIBE
C鍚慡鍙戣搗DESCRIBE璇鋒眰錛屼負浜嗗緱鍒頒細璇濇弿榪頒俊鎭?SDP)錛?br>DESCRIBE rtsp://192.168.20.136:5000/v0 RTSP/1.0
CSeq: 2
Accept: application/sdp
Authorization: Basic YWRtaW46YWRtaW4= //鏈夎璇侊紝涓嶉渶瑕佽璇佹椂涓嶉渶瑕佽瀛楁
User-Agent: bestilyq
 
鏈嶅姟鍣ㄥ洖搴斾竴浜涘姝や細璇濈殑鎻忚堪淇℃伅(sdp)錛?br>RTSP/1.0 200 OK
Cseq: 2
Date: Sat Feb  5 22:49:39 2009 GMT
Content-Type: application/sdp
Content-Length: 182
 
v=0                     //浠ヤ笅閮芥槸sdp淇℃伅
o=- 0 0 IN IPV4 127.0.0.1
t=0 0
s=No Name
a=tool:libavformat
m=video 0 RTP/AVP 96 //m琛ㄧず濯掍綋鎻忚堪錛屼笅闈㈡槸瀵逛細璇濅腑瑙嗛閫氶亾鐨勫獟浣撴弿榪?br>b=AS:2000
a=rtpmap:96 MP4V-ES/90000
a=fmtp:96 profile-level-id=1
a=control:streamid=0 //streamid錛?琛ㄧず瑙嗛嫻佺敤鐨勬槸閫氶亾0

3.SETUP
瀹㈡埛绔彁閱掓湇鍔″櫒寤虹珛浼氳瘽錛屽茍紜畾浼犺緭妯″紡錛?br>(1)TCP妯″紡
SETUP rtsp://192.168.20.136:5000/v0/streamid=0 RTSP/1.0   
CSeq: 3
Authorization: Basic YWRtaW46YWRtaW4=
Transport: RTP/AVP/TCP;unicast;interleaved=0-1     
User-Agent: bestilyq
(2)UDP妯″紡
SETUP rtsp://192.168.20.136:5000/v0/streamid=0
RTSP/1.0
CSeq: 3
Transport: RTP/AVP;unicast;client_port=3008-3009
Authorization: Basic YWRtaW46YWRtaW4=
User-Agent: bestilyq
    URI涓甫鏈塻treamid錛?錛岃〃紺哄璇ラ氶亾榪涜璁劇疆銆?br>    Transport鍙傛暟璁劇疆浜嗕紶杈撴ā寮忋?/font>RTP/AVP/TCP琛ㄧず閫氳繃TCP浼犺緭RTP鍖咃紝RTP/AVP琛ㄧず浣跨敤UDP浼犺緭RTP鍖呫?/font>unicast琛ㄧず鍗曟挱銆?/font>interleaved 鍊兼湁涓や釜錛?鍜?錛?琛ㄧずRTP鍖咃紝1琛ㄧずRTCP鍖咃紝鎺ユ敹绔牴鎹甶nterleaved鐨勫兼潵鍖哄埆鏄摢縐嶆暟鎹寘銆俢lient_port鍊兼湁3008鍜? 3009錛?008琛ㄧず瀹㈡埛绔帴鏀禦TP鍖呯殑绔彛錛?009琛ㄧず瀹㈡埛绔帴鏀禦TCP鍖呯殑绔彛錛屾湇鍔$瑕佸垎鍒皢RTP鍖呭拰RTCP鍖呭彂閫佸埌榪欎袱涓鍙c?br> 
鏈嶅姟鍣ㄥ洖搴斾俊鎭細
(1)TCP妯″紡
RTSP/1.0 200 OK
CSeq: 3
Date: Sat Feb  5 22:35:27 2009 GMT
Session: a522bbb4335617db
Transport: RTP/AVP/TCP;interleaved=0-1
(2)UDP妯″紡
RTSP/1.0 200 OK
CSeq: 3
Date: Sat Feb  5 22:49:39 2009 GMT
Session: 01fa4ca2566a6301      //鏈嶅姟鍣ㄥ洖搴旂殑浼氳瘽鏍囪瘑絎?br>Transport: RTP/AVP/UDP;unicast;client_port=3008-3009;server_port=1024-1025

4.PLAY
瀹㈡埛绔彂閫佹挱鏀捐姹傦細
PLAY rtsp://192.168.20.136:5000/v0 RTSP/1.0
CSeq: 4
Session: a522bbb4335617db      //SETUP榪斿洖鐨勪細璇濇爣璇嗙
Range: npt=0.000-              //璁劇疆鎾斁鏃墮棿鐨勮寖鍥?br>User-Agent: bestilyq

鏈嶅姟鍣ㄥ洖搴斾俊鎭細
RTSP/1.0 200 OK
CSeq: 4
Date: Sat Feb  5 22:49:39 2009 GMT
Session: a522bbb4335617db

5.TEARDOWN
瀹㈡埛绔彂璧峰叧闂姹?
TEARDOWN rtsp://192.168.20.136:5000/v0 RTSP/1.0
CSeq: 5
Session: a522bbb4335617db
User-Agent: bestilyq

鏈嶅姟鍣ㄥ洖搴?
RTSP/1.0 200 OK
Cseq: 5
Date: Sat Feb  5 22:49:47 2009 GMT
Session: a522bbb4335617db

    浠ヤ笂鏂規硶閮芥槸浜や簰榪囩▼涓渶涓哄父鐢ㄧ殑,鍏跺畠榪樻湁涓浜涢噸瑕佺殑鏂規硶濡侴ET_PARAMETER,SET_PARAMETER,PAUSE,REDIRECT絳夌瓑銆?br>
ps錛?br>sdp鐨勬牸寮?br>v=<version>
o=<username> <session id> <version> <network type> <address type> <address>
s=<session name>
i=<session description>
u=<URI>
e=<email address>
p=<phone number>
c=<network type> <address type> <connection address>
b=<modifier>:<bandwidth-value>
t=<start time> <stop time>
r=<repeat interval> <active duration> <list of offsets from start-time>
z=<adjustment time> <offset> <adjustment time> <offset> ....
k=<method>
k=<method>:<encryption key>
a=<attribute>
a=<attribute>:<value>
m=<media> <port> <transport> <fmt list>
v = 錛堝崗璁増鏈級
o = 錛堟墍鏈夎?鍒涘緩鑰呭拰浼氳瘽鏍囪瘑絎︼級
s = 錛堜細璇濆悕縐幫級
i = * 錛堜細璇濅俊鎭級
u = * 錛圲RI 鎻忚堪錛?br>e = * 錛圗mail 鍦板潃錛?br>p = * 錛堢數璇濆彿鐮侊級
c = * 錛堣繛鎺ヤ俊鎭級
b = * 錛堝甫瀹戒俊鎭級
z = * 錛堟椂闂村尯鍩熻皟鏁達級
k = * 錛堝姞瀵嗗瘑閽ワ級
a = * 錛? 涓垨澶氫釜浼氳瘽灞炴ц錛?
鏃墮棿鎻忚堪錛?br>t = 錛堜細璇濇椿鍔ㄦ椂闂達級
r = * 錛?鎴栧嬈¢噸澶嶆鏁幫級
濯掍綋鎻忚堪錛?br>m = 錛堝獟浣撳悕縐板拰浼犺緭鍦板潃錛?br>i = * 錛堝獟浣撴爣棰橈級
c = * 錛堣繛鎺ヤ俊鎭?鈥?濡傛灉鍖呭惈鍦ㄤ細璇濆眰鍒欒瀛楁鍙夛級
b = * 錛堝甫瀹戒俊鎭級
k = * 錛堝姞瀵嗗瘑閽ワ級
a = * 錛? 涓垨澶氫釜濯掍綋灞炴ц錛?br>甯?涓哄彲閫変俊鎭?br>
鍙傝冩枃绔狅細rfc2326錛坮tsp錛夛紱rfc2327錛坰dp) 錛況fc
3550錛坮tp/rtcp錛?/font>

鍘熷笘鍦板潃錛?br>http://blog.chinaunix.net/u2/77292/showart_1922940.html



鍙跺瓙 2010-08-13 11:45 鍙戣〃璇勮
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IPB甯х紪鐮侀『搴忥紙瑙g爜欏哄簭錛変笌鏄劇ず欏哄簭http://www.shnenglu.com/elva/archive/2010/06/21/118355.html鍙跺瓙鍙跺瓙Mon, 21 Jun 2010 05:05:00 GMThttp://www.shnenglu.com/elva/archive/2010/06/21/118355.htmlhttp://www.shnenglu.com/elva/comments/118355.htmlhttp://www.shnenglu.com/elva/archive/2010/06/21/118355.html#Feedback4http://www.shnenglu.com/elva/comments/commentRss/118355.htmlhttp://www.shnenglu.com/elva/services/trackbacks/118355.html

浠呬粎浣跨敤鍓嶄竴涓樉紺虹殑鍩哄噯甯ф潵緙栫爜鐨勫撫琚О涓?#8220;P甯?#8221;錛屽悓鏃朵嬌鐢ㄥ墠涓涓樉紺哄撫鍜屾湭鏉ュ撫浣滀負鍩哄噯甯ц繘琛岀紪鐮佺殑甯хО涓?#8220;B甯?#8221;銆傚湪閫氬父鐨勫満鏅腑錛岀紪瑙g爜鍣ㄧ紪鐮佷竴涓狪甯э紝鐒跺悗鍚戝墠璺寵繃鍑犱釜甯э紝鐢ㄧ紪鐮両甯т綔涓哄熀鍑嗗撫瀵逛竴涓湭鏉甯ц繘琛岀紪鐮侊紝鐒跺悗璺沖洖鍒癐甯т箣鍚庣殑涓嬩竴涓撫銆傜紪鐮佺殑I甯у拰P甯т箣闂寸殑甯ц緙栫爜涓築甯с備箣鍚庯紝緙栫爜鍣ㄤ細鍐嶆璺寵繃鍑犱釜甯э紝浣跨敤絎竴涓狿甯т綔涓哄熀鍑嗗撫緙栫爜鍙﹀涓涓狿甯э紝鐒跺悗鍐嶆璺沖洖錛岀敤B甯у~鍏呮樉紺哄簭鍒椾腑鐨勭┖闅欍傝繖涓繃紼嬩笉鏂戶緇紝姣?2鍒?5涓狿甯у拰B甯у唴鎻掑叆涓涓柊鐨処甯с備緥濡傦紝鍥?縐嶇粰鍑轟簡涓涓吀鍨嬬殑瑙嗛甯у簭鍒椼?/p>

閫氬父錛屾洿鎹㈠満鏅悗鐨勭涓甯у氨鏄?span>I甯э紝I甯у簲褰撳叏甯т紶閫併備粠鍘嬬緝鐨勭▼搴︽潵鐪嬶紝I鐢婚潰鐨勫帇緙╅噺鏈灝戯紱P鐢婚潰嬈′箣錛屽畠鏄互I鐢婚潰涓哄熀紜錛汢鐢婚潰鍘嬬緝鏈澶氥備負浜嗗姞澶у帇緙╂瘮錛岄氬父鍦↖甯у悗闈㈢浉闅?甯э紙鏈澶?甯э級璁劇疆1涓狿甯э紝鍦↖銆丳甯т箣闂撮兘鏄疊甯э紝鍦ㄤ袱涓狿甯т箣闂翠篃鏄緗?锝?甯甯с侭甯т紶閫佸畠涓嶪甯ф垨P甯т箣闂寸殑宸間俊鎭紝鎴栬匬甯т笌鍚庨潰P甯ф垨I甯т箣闂寸殑宸間俊鎭紝鎴栬呭畠涓庡墠鍚嶪銆丳甯ф垨P銆丳甯у鉤鍧囧間箣闂寸殑宸間俊鎭傚綋涓諱綋鍐呭鍙樺寲鎰堝ぇ鏃訛紝涓や釜I鐢婚潰涔嬮棿鐨勫撫鏁板艱秺灝忥紱褰撲富浣撳唴瀹瑰彉鍖栧皬鏃訛紝I闈㈢敾鐨勯棿闅斿彲浠ラ傚綋澶т竴浜涖傛垨鑰呰錛孊甯с丳甯ф墍鍗犳瘮渚嬭秺澶э紝鍥懼儚鍘嬬緝姣旇秺楂樸備竴鑸袱涓狪鐢婚潰鐩擱殧13锝?5甯э紝鐩擱殧甯ф暟涓嶅疁鍐嶅銆?/span>

涓嬮潰浠?span>15甯т負渚嬶紝璇存槑VCD鍥懼儚甯х殑鎺掑垪欏哄簭銆侷銆丳銆丅涓夌鐢婚潰鐨勫吀鍨嬭緗柟寮忥紝瀵筃TSC鍒跺叡綰﹂渶鍗婄鏃墮棿銆傝妭鐩緭鍏ラ『搴忔槸鎸夊疄闄呭嚭鐜伴『搴忔帓鍒楃殑錛屽嵆I銆丅銆丅銆丳銆丅銆丅銆丳銆丅銆丅……I銆丅銆丅銆丳……錛涗絾涓轟簡瑙g爜鏃朵究浜庝粠I銆丳鐢婚潰鎻掕ˉ寰楀埌B鐢婚潰錛屽湪緙栫爜褰曞埗鑺傜洰鏃訛紝灝嗛『搴忔敼鍙樹簡錛屽嵆鎸夌収I銆丳銆丅銆丅……欏哄簭錛屽嵆鏀逛負鎸夊師鏉?銆?銆?銆?銆?銆?銆?銆?銆?銆?…鐨勭敾闈㈤『搴忋傝В鐮佹椂鍏堣В鍑?甯с?甯э紝鍐嶇敱鍏舵彃琛ラ嫻嬭綆楀緱鍑?甯с?甯х瓑絳夈備負姝わ紝欏誨湪瑙g爜鍣ㄥ唴璁劇疆鍔ㄦ佸瓨鍌ㄥ櫒錛屽皢I銆丳甯у厛瑙g爜騫跺瓨鍌紝鍐嶈綆楀嚭鍚勪釜B甯с備笉榪囨渶鍚庤緭鍑烘椂錛岃繕鏄簲褰撴寜鐓у疄闄呮挱鏀鵑『搴忛噸緇勮鍑猴紝鎸夋紜『搴忚緭鍑恒?/span>


闊寵棰戠紪鐮佸崱鐨勮棰戠紪鐮佺畻娉曚粠JPEG 鍙戝睍鍒癕PEG-1銆丮PEG-2銆丮PEG-4鍜孒.264銆侸PEG鏄竴縐嶈憲鍚嶇殑鍥懼儚鍘嬬緝鏂規硶錛屾渶鍒濈敱Joint Photographic Experts Group鍦?986騫存彁鍑哄茍浜?992騫存寮忔垚涓篒SO鏍囧噯(ISO/IEC 10918),涓昏搴旂敤浜庨潤鎬佸浘鍍忓帇緙╋紝濡傛灉鎶婂畠鐢ㄥ湪榪愬姩鍥懼儚鍘嬬緝鐨勬椂鍊欙紝灝辨槸鎴戜滑閫氬父鎵璇寸殑Motion-JPEG錛岀敱浜嶫PEG鐩稿綋浜嶮PEG鐨勫撫鍐呭帇緙╋紝鍥犺屾病鏈夊幓闄ゆ椂鍩熶笂鐨勫啑浣欙紝鎵浠ュ湪淇濊瘉涓瀹氬浘鍍忚川閲忕殑鏃跺欙紝鍘嬬緝姣斾笉楂橈紝閫氬父鍙湁10-30鍊嶏紝浣嗘槸瀹冩湁涓涓浐瀹氱殑浼樼偣錛屽氨鏄歡榪熷湪40ms錛屽疄鏃舵у緢濂斤紝鎵浠ュ湪鏌愪簺鐗規畩搴旂敤鐨勫満鍚堜粛鐒跺彲浠ョ湅鍒板畠鐨勮釜褰便侻PEG榪愬姩鍥懼儚緙栫爜鎶鏈爣鍑嗘槸鐢盡otion Picture Experts Group鍦?988騫存彁鍑猴紝騫朵簬1992騫?1鏈堥氳繃錛?993騫?鏈堜綔涓篒SO/IEC 11172鏍囧噯鍏竷錛岃繖灝辨槸閫氬父鎵璇寸殑MPEG-1銆侻PEG-1涓轟簡榪芥眰鏇撮珮鐨勫帇緙╂晥鐜囷紝鏇存敞閲嶅幓闄ゅ浘鍍忕郴鍒楃殑鏃墮棿鍐椾綑搴︺傚洜姝ゅ紩鍏ヤ簡I甯?甯у唴緙栫爜)銆丳甯?鍓嶅悜棰勬祴緙栫爜)銆丅甯?鍙屽悜棰勬祴緙栫爜)銆侾甯х敱鍓嶄竴涓狪甯ф垨P甯у浘鍍忔潵棰勬祴錛岃孊甯х敱鍓嶅悗鐨勪袱涓狿甯ф垨涓涓狪甯у拰涓涓狿甯ф潵棰勬祴錛屽洜鑰岀紪瑙g爜鍜屽撫鐨勬樉紺洪『搴忔湁鎵涓嶅悓錛屽鍥?鎵紺?br>
I B B P B B P…B B I    I P B B P B B … I B B
1 2 3 4 5 6 7 …        1 4 2 3 7 5 6 …
  (a) 鏄劇ず欏哄簭          (b) 緙栬В鐮侀『搴?br>                  鍥?1
        鍦ㄦ鏈変袱涓棶棰橀渶瑕佽鏄庯細棣栧厛鏄彃澶氬皯B 甯ф渶鍚堥傦紵鐞嗚涓婅I銆丳涔嬮棿鎻掑叆鐨凚甯ц秺澶氾紝鍘嬬緝姣旇秺楂橈紝浣嗘槸緙栬В鐮佸櫒鎵闇鐨勫撫瀛樺偍鍣ㄤ篃瓚婂ぇ錛屽洜姝ゅ疄闄呭簲鐢ㄤ腑涓鑸渶澶氫袱涓傚叾嬈★紝B甯х殑寮曞叆浼氬鍔犵紪瑙g爜绔殑寤惰繜錛屽鏋滆拷姹傜綉緇滅洃瑙嗙殑鏃跺歡錛屾渶濂芥槸涓嶄嬌鐢˙甯с?br>        MPEG-1鏍囧噯鐨勪竴涓垚鍔熷簲鐢ㄨ寖渚嬫槸灝忓瀷嬋鍏夎鐩?VCD)銆傜敱浜庡畠鐨勫帇緙╂瘮鐩稿浜嶮- JPEG澶т負鎻愰珮錛屽洜鑰屽湪鏁板瓧鐩戞帶緋葷粺涓緱鍒板箍娉涚殑搴旂敤銆備絾鏄茍涓嶆槸鏈閫傚悎鏁板瓧鐩戞帶緋葷粺鐨勫簲鐢紝涓昏琛ㄧ幇鍦ㄧ爜鐜囧浐瀹氾紝浠d環鏄紩璧峰浘鍍忚川閲忕殑鎶栧姩錛岃屾暟瀛楃洃鎺х郴緇熸渶闇瑕佺殑涓嶆槸鎭掑畾鐮佺巼錛岃屾槸鎭掑畾璐ㄩ噺銆傚悓鏃禡PEG-1鏈韓鐨勬妧鏈檺鍒訛紝鍏跺帇緙╂瘮涔熸病鏈夎揪鍒扮敤鎴鋒弧鎰忕殑紼嬪害銆傝?000騫存彁鍑虹殑MPEG-4涓嶄粎鏄竴涓潪甯稿紑鏀劇殑鏍囧噯錛岃屼笖澧炲姞浜嗚澶氭柊鐨勫伐鍏鳳紝浠ヨ揪鍒伴檷浣庢煇浜涘簲鐢ㄦ垨鍥懼儚鍦烘櫙涓姹傜殑鍥懼儚璐ㄩ噺鎵闇鐨勬瘮鐗圭巼銆傚煎緱娉ㄦ剰鐨勬槸铏界劧澶ч儴鍒嗙敤鏉ラ檷浣庢瘮鐗圭巼鐨勫伐鍏鋒槸涓洪潪瀹炴椂搴旂敤寮鍙戠殑錛屾棤娉曚嬌鐢ㄥ埌鏁板瓧鐩戞帶緋葷粺涓紝浣嗘槸鐩稿MPEG-1錛岀敱浜庝嬌鐢ㄥ崐鍍忕礌鍜?/4鍍忕礌鍥懼儚鍖歸厤銆佸撫鍐呴嫻嬨侀珮綰ц繍鍔ㄧ煝閲忛嫻嬬瓑鏂扮殑鎶鏈紝鍥犺岄噰鐢∕PEG-4鐨勫帇緙╂爣鍑嗕箣鍚庯紝鍦≒AL CIF 25fps鎯呭喌涓嬶紝澶ч儴鍒嗘儏鍐典笅鐮佺巼鍦?00k-500k鐨凪PEG-4鍘嬬緝鍥懼儚璐ㄩ噺瓚呰繃1.25Mbit鐨凪PEG-1鍥懼儚錛屽洜鑰屽湪鏁板瓧鐩戞帶緋葷粺涓緱鍒版渶騫挎硾鍜屾垚鍔熺殑搴旂敤銆?br>


鍙跺瓙 2010-06-21 13:05 鍙戣〃璇勮
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瑙嗛瑙g爜涓紝緙撳啿鍖虹殑涓婃孩鍜屼笅婧?/title><link>http://www.shnenglu.com/elva/archive/2010/06/18/118152.html</link><dc:creator>鍙跺瓙</dc:creator><author>鍙跺瓙</author><pubDate>Fri, 18 Jun 2010 03:27:00 GMT</pubDate><guid>http://www.shnenglu.com/elva/archive/2010/06/18/118152.html</guid><wfw:comment>http://www.shnenglu.com/elva/comments/118152.html</wfw:comment><comments>http://www.shnenglu.com/elva/archive/2010/06/18/118152.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.shnenglu.com/elva/comments/commentRss/118152.html</wfw:commentRss><trackback:ping>http://www.shnenglu.com/elva/services/trackbacks/118152.html</trackback:ping><description><![CDATA[浣跨敤紜歡鐩鎬技鐨勬暟鎹鐞?涓鑸兘鏄暟鎹繘鏉?澶勭悊鍚庣珛鍗沖彂鍑哄幓鐨勫艦寮?鎵浠ヤ竴鑸湁涓涓暟鎹繘,涓涓暟鎹嚭,2涓帴鍙?<br><br>紜歡澶勭悊鍩烘湰閮借姹傚疄鏃?鏁版嵁榪涙潵,澶勭悊涔嬪悗椹笂鍙戝鐞?榪欎釜鏃墮棿瑕佹眰闈炲父鐭?涓鑸姹傛帶鍒跺湪濂藉姣浠ュ唴,鎵嶈兘杈懼埌瀹炴椂鐨勮姹?涓鑸‖浠舵瘡縐掗挓鑳藉澶勭悊鐨勬暟鎹ぇ灝?鍦ㄨ璁$殑鏃跺欏氨鍥哄畾浜?涓嶈兘鍍忚蔣浠墮偅鏍?鍙互閫氳繃澧炲姞CPU鏉ユ彁鍗囧鐞嗚兘鍔?鑰屼笖紜歡鐨勭紦瀛樼殑瀹歸噺涔熸槸鍦ㄨ璁$殑鏃跺欏氨鍥哄畾浜?涓嶈兘鍍忚蔣浠墮偅鏍?闅忔剰鐢寵鍐呭瓨鏉ョ敤.<br>鎵浠ョ‖浠剁殑緙撳瓨閮戒笉浼氬お澶?緙撳瓨鐨勬暟鎹お澶?浼氶犳垚絳夊緟鏁版嵁澶勭悊寤舵椂澶珮.杈句笉鍒板疄鏃剁殑瑕佹眰.<br>紜歡姣忕鑳藉澶勭悊鐨勬暟鎹篃鏄浐瀹氱殑.<br>紜歡鍦ㄥ鐞嗘暟鎹殑鏃跺?涓鑸槸瑕佺瓑寰呯紦鍐插尯鏈夎凍澶熺殑鏁版嵁鍙互澶勭悊,鐒跺悗寮濮嬪鐞?<br>濡傛灉鏁版嵁杈撳叆鐨勯熷害,鍥哄畾淇濇寔鍦ㄧ悊鎯崇姸鎬?閭d箞緙撳啿鍖哄氨浼氫竴鐩存湁鏁版嵁渚涚粰紜歡騫崇ǔ鐨勮繘琛屽鐞?<br>杈撳叆涓鐩磋緭鍏ユ暟鎹?紜歡涓鐩存湁鏁版嵁鍦ㄥ鐞?杈撳嚭涓鐩村湪杈撳嚭澶勭悊濂界殑鏁版嵁.緙撳啿鍖虹殑鏁版嵁瀹歸噺,涓鐩翠繚鎸佸湪鏌愪釜鑼冨洿.<br><br>濡傛灉鎸囨暟鎹彂閫佸お蹇?紜歡澶勭悊涓嶈繃鏉?緙撳瓨宸茬粡瑁呬笉涓嬮偅涔堝鏁版嵁,寮濮嬩涪寮冭繖浜涙暟鎹?鏀懼純澶勭悊.榪欏氨鏄寚涓婃孩.<br>濡傛灉鏁版嵁鍙戦佸お鎱?緙撳啿鍖虹殑鏁版嵁閮藉鐞嗙┖浜?杈撳叆鏁版嵁榪樻病榪囨潵,紜歡榪樺湪絳夊緟緙撳啿鍖烘湁瓚沖鏁版嵁鍙互澶勭悊,杈撳嚭鎺ュ彛灝卞湪瑕佹眰鍙戦佸鐞嗗ソ鐨勬暟鎹嚭鍘?灝辨槸鎸囦笅婧? <img src ="http://www.shnenglu.com/elva/aggbug/118152.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.shnenglu.com/elva/" target="_blank">鍙跺瓙</a> 2010-06-18 11:27 <a href="http://www.shnenglu.com/elva/archive/2010/06/18/118152.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>[杞琞 FFMPEG 絎旇http://www.shnenglu.com/elva/archive/2010/04/23/113336.html鍙跺瓙鍙跺瓙Fri, 23 Apr 2010 05:55:00 GMThttp://www.shnenglu.com/elva/archive/2010/04/23/113336.htmlhttp://www.shnenglu.com/elva/comments/113336.htmlhttp://www.shnenglu.com/elva/archive/2010/04/23/113336.html#Feedback0http://www.shnenglu.com/elva/comments/commentRss/113336.htmlhttp://www.shnenglu.com/elva/services/trackbacks/113336.html
1. encode yuv file

ffmpeg -s cif -vcodec mpeg4 -i paris.yuv paris.avi

-s 鎸囧畾甯уぇ灝?cif 涓?352x288錛宷cif 涓?176x144錛?cif 涓?704x576
-vcodec 鎸囧畾閲囩敤鐨勭紪鐮佸櫒
-i 鎸囧畾杈撳叆鏂囦歡


2. output raw YUV420P file

ffmpeg -i paris.avi paris0.yuv


3. 灝嗕竴孌佃棰戣緭鍑轟負鍥劇墖搴忓垪

ffmpeg -i 1.avi cat%d.png -vcode png

-vcodec mjpeg
-vcodec ppm


ffmpeg -i 1.avi cat%04d.jpg -vcodec mjpeg -ss 0:1:2 -t 0:0:1

灝?.avi瑙嗛 1鍒?2縐?澶勫紑濮嬶紝鎸佺畫1縐掗暱鐨勮棰戣緭鍑轟負jpg鐨勫簭鍒?br>

ffmpeg -vcodec mjpeg -i 1.flv test%02d.jpg -ss 0:0:2 -t 0.001

-t 琛ㄧず鎸佺畫鏃墮棿涓?.001縐掞紝榪欎釜鍛戒護鐩稿綋浜庢埅鍙栧紑濮?縐掑鐨勪竴騫卝peg鐨勫浘鐗?br>

4. 澶氳緭鍏ュ崟杈撳嚭

ffmpeg -i /tmp/a.wav -s 640x480 -i /tmp/a.yuv /tmp/a.mpg


5. 鍗曡緭鍏ュ杈撳嚭

ffmpeg -i /tmp/a.wav -ab 64 /tmp/a.mp2 -ab 128 /tmp/b.mp2 -map 0:0 -map 0:0

-map file:stream_index 鎸囧畾鍝竴涓緭鍏ユ祦鐢ㄤ簬杈撳嚭嫻侊紝欏哄簭瀵瑰簲


6. DVD to mpeg4

ffmpeg -i snatch_1.vob -f avi -vcodec mpeg4 -b 800 -g 300 -bf 2 -acodec mp2 -ab 128 snatch.avi

鍘嬪埗楂樺搧璐╩p4鐨勫弬鑰冨弬鏁幫細

'-mbd rd -flags +4mv+trell+aic -cmp 2 -subcmp 2 -g 300 -pass 1/2'

鍙互璇曡瘯錛?'-bf 2', '-flags qprd', '-flags mv0', '-flags skiprd'


7. encode mpeg1/mpeg2

ffmpeg -i 1.avi -vcodec mpeg2video 2.mpg

娉ㄦ剰mpeg2鐨刢odec涓?mpeg2video

鍏朵粬codec鍙互浣跨敤 ffmpeg -formats 鏌ョ湅

鍘嬪埗楂樺搧璐╩p1/mp2鐨勫弬鑰冨弬鏁幫細

'-mbd rd -flags +trell -cmp 2 -subcmp 2 -g 100 -pass 1/2'

娉ㄦ剰錛屽姞 '-g 100' 鍙兘浼氫嬌鏌愪簺瑙g爜鍣ㄦ病娉曡В鐮?

鍙互璇曡瘯錛?'-bf 2', '-flags qprd', '-flags mv0', '-flags skiprd'


8. encode flv

ffmpeg -i 1.avi -ab 56 -ar 22050 -b 500 -r 15 1.flv


9. X 灞忓箷褰曞儚

FFmpeg can grab the X11 display.

ffmpeg -f x11grab -i :0.0 /tmp/out.mpg

0.0 is display.screen number of your X11 server, same as the DISPLAY environment variable.

ffmpeg -f x11grab -i :0.0+10,20 /tmp/out.mpg

0.0 is display.screen number of your X11 server, same as the DISPLAY environment variable.
10 is the x-offset and 20 the y-offset for the grabbing.


10. 闊寵棰戦噰闆?br>
ffmpeg -f audio_device -i /dev/dsp -f video4linux2 -i /dev/video0 /tmp/out.mpg

Note that you must activate the right video source and channel before launching FFmpeg with
any TV viewer such as xawtv (http://bytesex.org/xawtv/) by Gerd Knorr. You also have to set
the audio recording levels correctly with a standard mixer.


11. 甯哥敤閫夐」

-i filename 杈撳叆鏂囦歡

-f fmt 寮鴻揩閲囩敤鏍煎紡fmt

-y 瑕嗙洊杈撳嚭鏂囦歡

-ss position 鎼滅儲鍒版寚瀹氱殑鏃墮棿澶勫紑濮?[-]hh:mm:ss[.xxx]鐨勬牸寮忎篃鏀寔

-b bitrate 璁劇疆姣旂壒鐜囷紝緙虹渷200kb/s

-r fps 璁劇疆甯ч 緙虹渷25

-s size 璁劇疆甯уぇ灝?鏍煎紡涓篧XH 緙虹渷160X128.涓嬮潰鐨勭畝鍐欎篃鍙互鐩存帴浣跨敤錛?br> sqcif 128X96 qcif 176X144 cif 352X288 4cif 704X576

-vcodec codec 寮哄埗浣跨敤codec緙栬В鐮佹柟寮忋?濡傛灉鐢╟opy琛ㄧず鍘熷緙栬В鐮佹暟鎹繀欏昏鎷瘋礉銆?br>
-sameq 浣跨敤鍚屾牱瑙嗛璐ㄩ噺浣滀負婧愶紙VBR錛?br>
-g gop_size 璁劇疆鍥懼儚緇勫ぇ灝?br>
-intra 浠呴傜敤甯у唴緙栫爜

-bf frames 浣跨敤frames B 甯э紝鏀寔mpeg1,mpeg2,mpeg4

-ab bitrate 璁劇疆闊抽鐮佺巼

-ar freq 璁劇疆闊抽閲囨牱鐜?br>
-ac channels 璁劇疆閫氶亾 緙虹渷涓?

-an 涓嶄嬌鑳介煶棰戠邯褰?br>
-acodec codec 浣跨敤codec緙栬В鐮?br>
-benchmark 涓哄熀鍑嗘祴璇曞姞鍏ユ椂闂?br>
-hex 鍊懼掓瘡涓涓緭鍏ュ寘


12.
mpayer 鎴浘錛?br>
mplayer -ss START_TIME -noframedrop -nosound -vo jpeg -frames N NAME_OF_VIDEO_FILE

鑾峰彇瑙嗛鏃墮暱(seconds)錛?br>
mplayer -identify movie-filename -nosound -vc dummy -vo null | grep ID_LENGTH


13. 蹇熷悎騫惰棰戞枃浠訛細

mencoder -oac copy -ovc copy -idx -o output.avi video1.avi video2.avi video3.avi



鍙跺瓙 2010-04-23 13:55 鍙戣〃璇勮
]]>[杞琞H.264涓殑Slice鍜孲lice Grouphttp://www.shnenglu.com/elva/archive/2010/03/19/110083.html鍙跺瓙鍙跺瓙Fri, 19 Mar 2010 03:32:00 GMThttp://www.shnenglu.com/elva/archive/2010/03/19/110083.htmlhttp://www.shnenglu.com/elva/comments/110083.htmlhttp://www.shnenglu.com/elva/archive/2010/03/19/110083.html#Feedback1http://www.shnenglu.com/elva/comments/commentRss/110083.htmlhttp://www.shnenglu.com/elva/services/trackbacks/110083.html

鍥? 鍍忔槧灝勬垚Slice Group,灝辨槸鎶婂畯鍧楁垨鑰呭畯鍧楀榪涜鏄犲皠鎴愪笉鍚岀殑Slice Group錛圫lice Group,0銆丼lice Group,1絳夌瓑錛夛紝鍦ㄤ笉鍚岀殑Slice Group涓啀榪涜鍒嗘垚Slice 錛岀浉瀵逛簬Slice Group鏉ヨ錛孲lice 鍖呭惈Slice Group鍐呴儴鎸夌収鍏夋爡鎵弿欏哄簭鎺掑垪鐨勬暣鏁頒釜瀹忓潡鎴栧畯鍧楀錛屼絾鏄嫢鏄浉瀵逛簬鍥懼儚鏉ヨ騫朵笉涓瀹氭槸鎸夊厜鏍呮壂鎻忕殑欏哄簭榪炵畫鎺掑垪鐨勶紝鍥犱負涓棿緇忚繃浜嗗浘鍍忓埌 Slice Group鐨勬槧灝勩係lice Group鐨勬彁鍑烘槸涓轟簡閲囩敤FMO瀹炵幇閿欒闅愯棌銆傝嫢鏄噰鐢ㄦ槧灝勶紝閭d箞鍦ㄥ悓涓Slice Group涓殑鐩擱偦瀹忓潡鍦ㄥ疄闄呭浘鍍忎腑涓嶄竴瀹氭槸鐩擱偦鐨勶紝 閭d箞褰撴煇涓涓猄lice Group鍐呯殑Slice 鐨勫畯鍧楀彂鐢熶涪鍖呯瓑閿欒鐨勬椂鍊欙紝灝卞彲浠ュ埄鐢ㄥ叾浠朣lice Group鍐呯殑Slice鐨勫畯鍧楀鍏惰繘琛岄嫻嬫仮澶嶏紝鍥犱負鍏朵粬Slice Group涓殑瀹忓潡鎴栧畯鍧楀涓庤涓㈠け瀹忓潡鎴栧畯鍧楀鍦ㄤ綅緗笂鏄浉閭葷殑錛岀浉鍏蟲ф渶寮猴紝棰勬祴璇樊鏈灝忋傚綋涓嶉噰鐢⊿lice Group鐨勬椂鍊欙紝鑻ユ槸Slice鐨勫畯鍧楀彂鐢熼敊璇紝閭d箞灝卞鑷翠竴閮ㄥ垎絀洪棿浣嶇疆鐩擱偦鐨勫畯鍧楁垨瀹忓潡瀵規棤娉曡В鍑猴紝閭d箞灝卞緱鍒╃敤鍛ㄨ竟瀹忓潡鎴栧畯鍧楀瀵瑰叾榪涜棰勬祴錛岃繖 鏍風殑棰勬祴鏁堟灉闅忕潃瓚婇潬榪戝嚭閿欏尯鍩熶腑蹇冭秺宸傛樉鐒訛紝閲囩敤Slice Group鏂規硶鐨勯嫻嬫晥鏋滆濂姐傚鍥炬墍紺?/p>


鑻ョ孩鑹茶竟妗嗗尯鍩熷彂鐢熼敊璇紝涔熷嵆鏌怱lice0鍙戠敓閿欒錛岄偅涔堜笂鍥句腑璇ュ尯鍩熷畯鍧楀搴旂殑鍘熷鍥懼儚鐨勪綅緗宸﹁竟鎵紺猴紝鐢盨lice Group1鎭㈠Slice Group0 錛岀敱鍏剁┖闂寸浉鍏蟲у彲鐭ユ仮澶嶆晥鏋滃簲璇ヤ細涓嶉敊銆?/p>

浣嗘槸涓嬪浘鐨勬儏鍐靛氨涓嶄竴鏍蜂簡錛屼袱涓墖鐨勭┖闂寸浉鍏蟲ф病閭d箞寮猴紝鎭㈠鏁堟灉姣斾笂涓縐嶆柟娉曞樊銆?/p>


鍘熸枃閾炬帴
http://blog.csdn.net/sunnymov/archive/2009/08/26/4486922.aspx



鍙跺瓙 2010-03-19 11:32 鍙戣〃璇勮
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[杞琞H264涓嶮PEG涓璉銆丳銆丅甯х紪鐮佺殑涓嶅悓http://www.shnenglu.com/elva/archive/2010/03/19/110082.html鍙跺瓙鍙跺瓙Fri, 19 Mar 2010 03:30:00 GMThttp://www.shnenglu.com/elva/archive/2010/03/19/110082.htmlhttp://www.shnenglu.com/elva/comments/110082.htmlhttp://www.shnenglu.com/elva/archive/2010/03/19/110082.html#Feedback0http://www.shnenglu.com/elva/comments/commentRss/110082.htmlhttp://www.shnenglu.com/elva/services/trackbacks/110082.html
1銆丠264涓璉銆丳銆丅 甯х紪鐮佺殑鍩烘湰嫻佺▼

I 甯х紪鐮佺殑鍩烘湰嫻佺▼涓猴細
(1) 榪涜甯у唴棰勬祴錛屽喅瀹氭墍閲囩敤鐨勫撫鍐呴嫻嬫ā寮忋?br>(2) 鍍忕礌鍊煎噺鍘婚嫻嬪鹼紝寰楀埌孌嬪樊銆?br>(3) 瀵規畫宸繘琛屽彉鎹㈠拰閲忓寲銆?br>(4) 鍙橀暱緙栫爜鍜岀畻鏈紪鐮併?br>(5) 閲嶆瀯鍥懼儚騫舵護娉紝寰楀埌鐨勫浘鍍忎綔涓哄叾瀹冨撫鐨勫弬鑰冨撫銆?/p>


P 甯у拰 B 甯х紪鐮佺殑鍩烘湰嫻佺▼涓猴細
(1) 榪涜榪愬姩浼拌錛岃綆楅噰鐢ㄥ撫闂寸紪鐮佹祦紼嬬紪鐮佹ā寮忕殑鐜囧け鐪熷嚱鏁?鑺?鍊箋侾 甯?br>鍙弬鑰冨墠闈㈢殑甯э紝B 甯у彲鍙傝冨悗闈㈢殑甯с?br>*(2) 榪涜甯у唴棰勬祴錛岄夊彇鐜囧け鐪熷嚱鏁板兼渶灝忕殑甯у唴妯″紡涓庡撫闂存ā寮忔瘮杈冿紝紜畾
閲囩敤鍝緙栫爜妯″紡銆?br>(3) 璁$畻瀹為檯鍊煎拰棰勬祴鍊肩殑宸箋?br>(4) 瀵規畫宸繘琛屽彉鎹㈠拰閲忓寲銆?br>(5) 鐔電紪鐮侊紝濡傛灉鏄撫闂寸紪鐮佹ā寮忥紝緙栫爜榪愬姩鐭㈤噺

2銆丮PEG鍘嬬緝涓殑 I銆丅銆丳甯?/strong>

棣栧厛,MPEG-1鍘嬬緝鐨勫熀鏈濇兂:甯у唴鍘嬬緝鍜屽撫闂村帇緙┿?br>鍏舵,鏃墮棿鐩稿叧鎬х殑緇熻鍒嗘瀽:緇熻鐨勭粨鏋滆〃鏄?鍦ㄩ棿闅?~2甯х殑鍥懼儚涓?鍚勫儚绱犲彧鏈?0%浠ヤ笅鐨勭偣,鍏朵寒搴﹀樊鍊煎彉鍖栬秴榪?%,鑰岃壊搴﹀樊鍊肩殑鍙樺寲鍙湁1%浠ヤ笅銆?br>
閲囩敤鐨勫帇緙╂柟娉? 鍒嗙粍:鎶婂嚑甯у浘鍍忓垎涓轟竴緇?GOP),涓洪槻姝㈣繍鍔ㄥ彉鍖?甯ф暟涓嶅疁鍙栧銆?br>1.瀹氫箟甯?灝嗘瘡緇勫唴鍚勫撫鍥懼儚瀹氫箟涓轟笁縐嶇被鍨?鍗矷甯с丅甯у拰P甯?
2.棰勬祴甯?浠甯у仛涓哄熀紜甯?浠甯ч嫻婸甯?鍐嶇敱I甯у拰P甯ч嫻婤甯?
3.鏁版嵁浼犺緭:鏈鍚庡皢I甯ф暟鎹笌棰勬祴鐨勫樊鍊間俊鎭繘琛屽瓨鍌ㄥ拰浼犺緭銆?br>
I甯?甯у唴緙栫爜甯?br> I甯х壒鐐?
1.瀹冩槸涓涓叏甯у帇緙╃紪鐮佸撫銆傚畠灝嗗叏甯у浘鍍忎俊鎭繘琛孞PEG鍘嬬緝緙栫爜鍙婁紶杈?
2.瑙g爜鏃朵粎鐢↖甯х殑鏁版嵁灝卞彲閲嶆瀯瀹屾暣鍥懼儚;
3.I甯ф弿榪頒簡鍥懼儚鑳屾櫙鍜岃繍鍔ㄤ富浣撶殑璇︽儏;
4.I甯т笉闇瑕佸弬鑰冨叾浠栫敾闈㈣岀敓鎴?
5.I甯ф槸P甯у拰B甯х殑鍙傝冨撫(鍏惰川閲忕洿鎺ュ獎鍝嶅埌鍚岀粍涓互鍚庡悇甯х殑璐ㄩ噺);
6.I甯ф槸甯х粍GOP鐨勫熀紜甯?絎竴甯?,鍦ㄤ竴緇勪腑鍙湁涓涓狪甯?
7.I甯т笉闇瑕佽冭檻榪愬姩鐭㈤噺;
8.I甯ф墍鍗犳暟鎹殑淇℃伅閲忔瘮杈冨ぇ銆?br>
P甯?鍓嶅悜棰勬祴緙栫爜甯с?/strong>
P甯х殑棰勬祴涓庨噸鏋?P甯ф槸浠甯т負鍙傝冨撫,鍦↖甯т腑鎵懼嚭P甯?#8220;鏌愮偣”鐨勯嫻嬪煎拰榪愬姩鐭㈤噺,鍙栭嫻嬪樊鍊煎拰榪愬姩鐭㈤噺涓璧蜂紶閫併傚湪鎺ユ敹绔牴鎹繍鍔ㄧ煝閲忎粠I甯т腑鎵懼嚭P甯?#8220;鏌愮偣”鐨勯嫻嬪煎茍涓庡樊鍊肩浉鍔犱互寰楀埌P甯?#8220;鏌愮偣”鏍峰?浠庤屽彲寰楀埌瀹屾暣鐨凱甯с?br>P甯х壒鐐?
1.P甯ф槸I甯у悗闈㈢浉闅?~2甯х殑緙栫爜甯?
2.P甯ч噰鐢ㄨ繍鍔ㄨˉ鍋跨殑鏂規硶浼犻佸畠涓庡墠闈㈢殑I鎴朠甯х殑宸煎強榪愬姩鐭㈤噺(棰勬祴璇樊);
3.瑙g爜鏃跺繀欏誨皢I甯т腑鐨勯嫻嬪間笌棰勬祴璇樊姹傚拰鍚庢墠鑳介噸鏋勫畬鏁寸殑P甯у浘鍍?
4.P甯у睘浜庡墠鍚戦嫻嬬殑甯ч棿緙栫爜銆傚畠鍙弬鑰冨墠闈㈡渶闈犺繎瀹冪殑I甯ф垨P甯?
5.P甯у彲浠ユ槸鍏跺悗闈甯х殑鍙傝冨撫,涔熷彲浠ユ槸鍏跺墠鍚庣殑B甯х殑鍙傝冨撫;
6.鐢變簬P甯ф槸鍙傝冨撫,瀹冨彲鑳介犳垚瑙g爜閿欒鐨勬墿鏁?
7.鐢變簬鏄樊鍊間紶閫?P甯х殑鍘嬬緝姣旇緝楂樸?br>
B甯?鍙屽悜棰勬祴鍐呮彃緙栫爜甯с?/strong>
B甯х殑棰勬祴涓庨噸鏋?br>B甯т互鍓嶉潰鐨処鎴朠甯у拰鍚庨潰鐨凱甯т負鍙傝冨撫,“鎵懼嚭”B甯?#8220;鏌愮偣”鐨勯嫻嬪煎拰涓や釜榪愬姩鐭㈤噺,騫跺彇棰勬祴宸煎拰榪愬姩鐭㈤噺浼犻併傛帴鏀剁鏍規嵁榪愬姩鐭㈤噺鍦ㄤ袱涓弬鑰冨撫涓?#8220;鎵懼嚭(綆楀嚭)”棰勬祴鍊煎茍涓庡樊鍊兼眰鍜?寰楀埌B甯?#8220;鏌愮偣”鏍峰?浠庤屽彲寰楀埌瀹屾暣鐨凚甯с?br>B甯х壒鐐?br>1.B甯ф槸鐢卞墠闈㈢殑I鎴朠甯у拰鍚庨潰鐨凱甯ф潵榪涜棰勬祴鐨?
2.B甯т紶閫佺殑鏄畠涓庡墠闈㈢殑I鎴朠甯у拰鍚庨潰鐨凱甯т箣闂寸殑棰勬祴璇樊鍙婅繍鍔ㄧ煝閲?
3.B甯ф槸鍙屽悜棰勬祴緙栫爜甯?
4.B甯у帇緙╂瘮鏈楂?鍥犱負瀹冨彧鍙嶆槧涓欏弬鑰冨撫闂磋繍鍔ㄤ富浣撶殑鍙樺寲鎯呭喌,棰勬祴姣旇緝鍑嗙‘;
5.B甯т笉鏄弬鑰冨撫,涓嶄細閫犳垚瑙g爜閿欒鐨勬墿鏁c?br>
娉?I銆丅銆丳鍚勫撫鏄牴鎹帇緙╃畻娉曠殑闇瑕?鏄漢涓哄畾涔夌殑,瀹冧滑閮芥槸瀹炲疄鍦ㄥ湪鐨勭墿鐞嗗撫,鑷充簬鍥懼儚涓殑鍝竴甯ф槸I甯?鏄殢鏈虹殑,涓浣嗙‘瀹氫簡I甯?浠ュ悗鐨勫悇甯у氨涓ユ牸鎸夎瀹氶『搴忔帓鍒椼?/p>




鍙跺瓙 2010-03-19 11:30 鍙戣〃璇勮
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[杞琞甯с佸満緙栫爜鐨勪釜浜虹悊瑙?/title><link>http://www.shnenglu.com/elva/archive/2010/03/19/110081.html</link><dc:creator>鍙跺瓙</dc:creator><author>鍙跺瓙</author><pubDate>Fri, 19 Mar 2010 03:27:00 GMT</pubDate><guid>http://www.shnenglu.com/elva/archive/2010/03/19/110081.html</guid><wfw:comment>http://www.shnenglu.com/elva/comments/110081.html</wfw:comment><comments>http://www.shnenglu.com/elva/archive/2010/03/19/110081.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.shnenglu.com/elva/comments/commentRss/110081.html</wfw:commentRss><trackback:ping>http://www.shnenglu.com/elva/services/trackbacks/110081.html</trackback:ping><description><![CDATA[ <p class="MsoNormal" style="margin: 0cm 0cm 0pt;"><span style="font-family: 瀹嬩綋;"><span style="font-size: small;">涓銆佹榪?/span></span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 21pt;"><span style="font-family: 瀹嬩綋;"><span style="font-size: small;">鍘? 濮嬭棰戝撫錛堟渶鍘熷鐨勮棰戞暟鎹級鏍規嵁緙栫爜鐨勯渶瑕侊紝浠ヤ笉鍚岀殑鏂瑰紡榪涜鎵弿浜х敓涓ょ瑙嗛甯э細榪炵畫鎴栭殧琛岃棰戝撫錛岄殧琛岃棰戝撫鍖呮嫭欏跺満鍜屽簳鍦猴紝榪炵畫錛堥亗琛岋級鎵弿鐨勮 棰戝撫涓庨殧琛屾壂鎻忚棰戝撫鏈夌潃涓嶅悓鐨勭壒鎬у拰緙栫爜鐗瑰緛錛屼駭鐢熶簡鎵璋撶殑甯х紪鐮佸拰鍦虹紪鐮併備竴鑸儏鍐典笅錛岄亗琛屽撫榪涜甯х紪鐮侊紝闅旇甯у彲鍦ㄥ撫緙栫爜鍜屽満緙栫爜闂撮夊彇銆?img src="http://p.blog.csdn.net/images/p_blog_csdn_net/sunnymov/EntryImages/20090817/%E5%BF%AB%E7%85%A7-2.jpg" alt="鎵弿鏍煎紡" height="295" width="816"></span></span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 21pt;"> </p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt;"> </p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 21pt;"><span style="font-size: small;"><span style="color: black; font-family: 瀹嬩綋;">鍦ㄥ撫緙栫爜涓紝鍙傝冧負甯у浘鍍忥紝</span><span style="font-family: 瀹嬩綋;">閲囩敤甯ц繍鍔ㄨˉ鍋匡紝涓や釜鍦烘槸鑱斿悎緙栫爜錛?/span><span style="color: black; font-family: 瀹嬩綋;">錛涘湪鍦虹紪鐮佷腑錛屽弬鑰冧負鍦哄浘鍍?/span><span style="font-family: 瀹嬩綋;">錛屼袱涓満鏄垎鍒紪鐮侊紝閲囩敤鍦鴻繍鍔ㄨˉ鍋褲?/span></span></p><p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 21pt;"><font face="瀹嬩綋"><span style="font-size: small;"></span></font></p><p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 21pt;"><br></p><font face="瀹嬩綋"><p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 21pt;">甯х紪鐮佷笌鍦虹紪鐮佺殑閫夋嫨</p><p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 21pt;">1.瀵逛簬榪愬姩嬋鐑堢殑鎯呭喌錛屼篃灝辨槸鐢婚潰鍙樺寲蹇紝鐢婚潰涓殑浜虹墿銆佽儗鏅瓑絳夌煭鏃墮棿閲屽氨浼氭湁寰堝ぇ鐨勫彉鍖栥傝繖鏍鳳紝濡傛灉浣跨敤甯х紪鐮侊紝鐢變簬鐩擱偦涓よ錛堜竴琛屽湪欏跺満錛屼竴琛屽湪搴曞満錛夌殑鎵弿鏃墮棿鐩稿樊浜嗚澶氾紙鍥犱負鏄殧琛屾壂鎻忥級錛岄偅涔堢敱浜庡彉鍖栧墽鐑堬紙鐢婚潰鍦ㄧ煭鏃墮棿鍐呭氨浼氫駭鐢熷緢澶х殑宸紓錛夛紝鐩擱偦琛屾病鏈夊お澶氱殑鐩稿叧鎬с傝屽浜庡満鍥懼儚鏉ヨ錛岀浉閭昏鐨勬壂鎻忔椂闂撮潪甯哥煭錛屾墍浠ュ嵆浣胯繍鍔ㄥ墽鐑堬紝浣嗚繕鏄湁寰堝己鐨勬椂闂寸浉鍏蟲с傛墍浠ュ湪榪欑鎯呭喌涓嬬敤鍦虹紪鐮侊紝灝辮兘鍘婚櫎鏃墮棿涓婄殑鍐椾綑銆?/p><p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 21pt;"><br></p><p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 21pt;">2.瀵逛簬鐩稿闈欐娌℃湁浠涔堝彉鍖栫殑鎯呭喌搴旇鐩稿濂界悊瑙o紝鍥犱負鐢婚潰鍐呭娌℃湁澶ぇ鐨勫彉鍖栵紝鎵弿鏃墮棿鐨勯暱鐭茍涓嶅獎鍝嶇浉鍏蟲с傚掓槸甯у満鐨勭浉閭昏鐢變簬鏄湡姝f剰涔変笂鐨勭浉閭伙紝鎵浠ョ┖闂寸浉鍏蟲ц偗瀹氳姣斿満鐨勭浉閭昏錛堝叾瀹炴槸闅旇錛夌殑絀洪棿鐩稿叧鎬ц澶с傞偅涔堝湪榪欑鎯呭喌涓嬩嬌鐢ㄥ撫緙栫爜錛屽氨鑳藉幓闄ょ┖闂翠笂鐨勫啑浣欍?/p></font><p> </p><p><br></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt;"><span style="font-family: 瀹嬩綋;"><span style="font-size: small;">浜屻佽棰戝簭鍒楀撫銆佸満緙栫爜鏂瑰紡</span></span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt;"><span style="font-size: small;"><span lang="EN-US"><span style="font-family: Times New Roman;">1.</span></span><span style="font-family: 瀹嬩綋;">鍥哄畾甯х紪鐮?/span><span lang="EN-US"><span style="font-family: Times New Roman;">(</span></span><span style="font-family: 瀹嬩綋;">鍏ㄥ撫</span><span lang="EN-US"><span style="font-family: Times New Roman;">)----</span></span><span style="font-family: 瀹嬩綋;">瑙嗛搴忓垪鐨勫叏閮ㄥ撫濮嬬粓閲囩敤甯х紪鐮佹柟寮忋?/span></span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt;"><span style="font-size: small;"><span lang="EN-US"><span style="font-family: Times New Roman;">2.</span></span><span style="font-family: 瀹嬩綋;">鍥哄畾鍦虹紪鐮侊紙鍏ㄥ満錛?/span></span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 21pt;"><span style="font-family: 瀹嬩綋;"><span style="font-size: small;">瑙嗛搴忓垪涓撫琚垎鎴愪袱涓満鐙珛緙栫爜銆傜紪鐮佽鍒欙細</span></span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt 39pt; text-indent: -18pt;"><span style="font-family: Times New Roman;"><span lang="EN-US"><span><span style="font-size: small;">1.</span><span style="font-family: "Times New Roman"; font-style: normal; font-variant: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-size-adjust: none; font-stretch: normal;">       </span></span></span><span lang="EN-US"><span style="font-size: small;">I</span></span></span><span style="font-size: small;"><span style="font-family: 瀹嬩綋;">甯у彲緙栫爜鎴愪袱涓?/span><span lang="EN-US"><span style="font-family: Times New Roman;">I</span></span><span style="font-family: 瀹嬩綋;">鍦烘垨涓涓?/span><span lang="EN-US"><span style="font-family: Times New Roman;">I</span></span><span style="font-family: 瀹嬩綋;">鍦哄拰涓涓?/span><span lang="EN-US"><span style="font-family: Times New Roman;">P</span></span><span style="font-family: 瀹嬩綋;">鍦猴紝鍗?/span><span lang="EN-US"><span style="font-family: Times New Roman;">II</span></span><span style="font-family: 瀹嬩綋;">銆?/span><span lang="EN-US"><span style="font-family: Times New Roman;">IP.</span></span></span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt 39pt; text-indent: -18pt;"><span style="font-family: Times New Roman;"><span lang="EN-US"><span><span style="font-size: small;">2.</span><span style="font-family: "Times New Roman"; font-style: normal; font-variant: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-size-adjust: none; font-stretch: normal;">       </span></span></span><span lang="EN-US"><span style="font-size: small;">P</span></span></span><span style="font-size: small;"><span style="font-family: 瀹嬩綋;">甯у彲緙栫爜鎴愪袱涓?/span><span lang="EN-US"><span style="font-family: Times New Roman;">P</span></span><span style="font-family: 瀹嬩綋;">鍦烘垨涓涓?/span><span lang="EN-US"><span style="font-family: Times New Roman;">P</span></span><span style="font-family: 瀹嬩綋;">鍦哄拰涓涓?/span><span lang="EN-US"><span style="font-family: Times New Roman;">B</span></span><span style="font-family: 瀹嬩綋;">鍦猴紝鍗?/span><span lang="EN-US"><span style="font-family: Times New Roman;">PP</span></span><span style="font-family: 瀹嬩綋;">銆?/span><span lang="EN-US"><span style="font-family: Times New Roman;">PB.</span></span></span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt 39pt; text-indent: -18pt;"><span style="font-family: Times New Roman;"><span lang="EN-US"><span><span style="font-size: small;">3.</span><span style="font-family: "Times New Roman"; font-style: normal; font-variant: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-size-adjust: none; font-stretch: normal;">       </span></span></span><span lang="EN-US"><span style="font-size: small;">B</span></span></span><span style="font-size: small;"><span style="font-family: 瀹嬩綋;">甯у彲緙栫爜鎴愪袱涓?/span><span lang="EN-US"><span style="font-family: Times New Roman;">B</span></span><span style="font-family: 瀹嬩綋;">鍦猴紝鍗?/span><span lang="EN-US"><span style="font-family: Times New Roman;">BB.</span></span></span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt;"><span style="font-size: small;"><span lang="EN-US"><span style="font-family: Times New Roman;">3.</span></span><span style="font-family: 瀹嬩綋;">鍥懼儚綰у撫銆佸満鑷傚簲緙栫爜</span><span lang="EN-US"><span style="font-family: Times New Roman;"> (PAFF)</span></span></span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 21pt;"><span style="font-size: small;"><span style="font-family: 瀹嬩綋;">瑙嗛搴忓垪鑳借緙栫爜鎴愪竴涓撫鎴栦袱涓満錛岃嚜閫傚簲閫夋嫨鍘熷垯鏄牴鎹噰鐢ㄨ縐嶇紪鐮佹柟寮忕殑姣忎竴甯х殑</span><span lang="EN-US"><span style="font-family: Times New Roman;">RD</span></span><span style="font-family: 瀹嬩綋;">鍊箋?/span></span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt;"><span style="font-size: small;"><span lang="EN-US"><span style="font-family: Times New Roman;">4.</span></span><span style="font-family: 瀹嬩綋;">瀹忓潡綰у撫銆佸満鑷傚簲錛?/span><span lang="EN-US"><span style="font-family: Times New Roman;">MBAFF</span></span><span style="font-family: 瀹嬩綋;">錛?/span></span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt;"><span style="font-size: small;"><span lang="EN-US"><span><span style="font-family: Times New Roman;">       </span></span></span><span style="font-family: 瀹嬩綋;">涓轟簡榪涗竴姝ユ彁楂樼紪鐮佹晥鐜囷紝閲囩敤浜嗗畯鍧楃駭甯у満鑷傚簲</span><span lang="EN-US"><span style="font-family: Times New Roman;">.,</span></span><span style="font-family: 瀹嬩綋;">瀹忓潡綰ч噰鐢ㄤ簡瀹忓潡瀵癸紙</span><span lang="EN-US"><span style="font-family: Times New Roman;">MBP</span></span><span style="font-family: 瀹嬩綋;">錛変負鍩烘湰緙栫爜鍗曞厓錛堝鍥?/span><span lang="EN-US"><span style="font-family: Times New Roman;">2</span></span><span style="font-family: 瀹嬩綋;">鎵紺猴級</span></span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt;"> </p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt;"> <img src="http://p.blog.csdn.net/images/p_blog_csdn_net/sunnymov/EntryImages/20090817/%E5%BF%AB%E7%85%A7-1.jpg" alt="MBP鏍煎紡" height="282" width="826"></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt;"><span style="font-size: small;"><span lang="EN-US"><span style="font-family: Times New Roman;"><span>       </span>H.264</span></span><span style="font-family: 瀹嬩綋;">閲囩敤鐨?/span><span lang="EN-US"><span style="font-family: Times New Roman;">MBAFF</span></span><span style="font-family: 瀹嬩綋;">鏂規錛?/span></span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt;"><span style="font-size: small;"></span><img src="http://p.blog.csdn.net/images/p_blog_csdn_net/sunnymov/EntryImages/20090817/%E5%BF%AB%E7%85%A7-3.jpg" alt="H.264 mbaff緙栫爜鏂規" height="339" width="519"> </p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt;"><span style="font-family: 瀹嬩綋;"><span style="font-size: small;">鍦ㄥ浘鍍忎腑榪愬姩姣旇緝澶х殑鍦版柟閲囩敤鍦虹紪鐮侊紝榪愬姩姣旇緝灝忕殑鍦版柟閲囩敤甯х紪鐮侊紝緙栫爜欏哄簭渚嬪瓙濡備笅錛?/span></span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt;"><span style="font-family: 瀹嬩綋;"><span style="font-size: small;"><img src="http://p.blog.csdn.net/images/p_blog_csdn_net/sunnymov/EntryImages/20090817/%E5%BF%AB%E7%85%A7-4.jpg" alt="緙栫爜渚嬪瓙" height="332" width="462"></span></span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt;"><br></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt;">鍘熸枃閾炬帴錛?/p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt;"><a target="_blank" >http://blog.csdn.net/sunnymov/archive/2009/08/17/4454424.aspx</a><br><span style="font-family: 瀹嬩綋;"><span style="font-size: small;"></span></span></p><img src ="http://www.shnenglu.com/elva/aggbug/110081.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.shnenglu.com/elva/" target="_blank">鍙跺瓙</a> 2010-03-19 11:27 <a href="http://www.shnenglu.com/elva/archive/2010/03/19/110081.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>MPEG TS 鍒嗘瀽宸ュ叿 EasyICE 2.1.0.0 鍙戝竷http://www.shnenglu.com/elva/archive/2010/01/06/104883.html鍙跺瓙鍙跺瓙Wed, 06 Jan 2010 02:29:00 GMThttp://www.shnenglu.com/elva/archive/2010/01/06/104883.htmlhttp://www.shnenglu.com/elva/comments/104883.htmlhttp://www.shnenglu.com/elva/archive/2010/01/06/104883.html#Feedback1http://www.shnenglu.com/elva/comments/commentRss/104883.htmlhttp://www.shnenglu.com/elva/services/trackbacks/104883.htmlMPEG-TS鍒嗘瀽鐨勫埄鍣?/p>

鏈▼搴忔椂涓嬈綯S闈欐佸垎鏋愬伐鍏鳳紝鐩鎬俊璁稿鍔熻兘鏄護浜烘鍠滅殑錛岃濡傚澶ф枃浠剁殑鏀寔錛屼互鍙婂鐞嗛熷害絳夌瓑銆傝蔣浠跺浜庝笉鏂畬鍠勪腑錛屽皢鏈夋洿澶氫紭縐鐨勫湴鏂逛互鍙嬪ソ鐨勬柟寮忔坊鍔犺繘鏉ャ?/p>

鍔熻兘綆浠嬶細
1.TS鍖呭垪琛ㄦ樉紺猴紝娌℃湁鏉$洰闄愬埗
2.鍗佸叚榪涘埗鏄劇ず鏁版嵁
3.TS澶達紝璋冩暣瀛楁錛屼互鍙奝ES鍒嗘瀽
4.淇濆瓨鍗曚釜鏁版嵁鍖?br>5.瀵瑰ぇ鏂囦歡鐨勬敮鎸侊紝鍙互鏀寔鍑犵櫨G鐨勬枃浠?br>6.鍙夋暟鎹垎鏋愶紝閫夋嫨鍙垎鏋愭枃浠剁殑鏌愪竴閮ㄥ垎鏁版嵁
7.psi/si琛ㄥ垎鏋?br>8.pid緇熻
9.鍚屾鍒嗘瀽錛屽浘琛ㄦ樉紺?/p>

 

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鍙跺瓙 2010-01-06 10:29 鍙戣〃璇勮
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DVB涓氬姟淇℃伅PSI/SI緇艱堪http://www.shnenglu.com/elva/archive/2009/09/18/96616.html鍙跺瓙鍙跺瓙Fri, 18 Sep 2009 02:46:00 GMThttp://www.shnenglu.com/elva/archive/2009/09/18/96616.htmlhttp://www.shnenglu.com/elva/comments/96616.htmlhttp://www.shnenglu.com/elva/archive/2009/09/18/96616.html#Feedback3http://www.shnenglu.com/elva/comments/commentRss/96616.htmlhttp://www.shnenglu.com/elva/services/trackbacks/96616.html

涓銆丼I淇℃伅鐨勬瀯鎴?/p>

1銆佷俊鎭瀯鎴?/p>

SI淇℃伅鍐呭鏄寜鐓etwork(緗戠粶)→transport strem錛堜紶杈撴祦錛?#8594;service錛堜笟鍔★級→event錛堜簨浠訛級鐨勫垎灞傞『搴忔弿榪幫紝濡傚浘1鎵紺恒係I鏁版嵁淇℃伅鏄寜鐓т竴瀹氱殑鏁版嵁緇撴瀯榪涜瀛樺偍鐨勶紝榪欐牱涓鏉ユ墠鑳借揪鍒版柟渚褲佸揩鎹峰湴榪涜鏁版嵁媯绱㈠拰鎻愬彇銆係I鏁版嵁涓昏鏈夛細緗戠粶淇℃伅銆佷紶杈撴祦淇℃伅銆佷笟鍔′俊鎭佷笟鍔$殑浜嬩歡淇℃伅絳夛紝騫朵笖澶ч噺鐨勪俊鎭兘鏄氳繃鎻忚堪絎︽潵浼犺緭鐨勶紝鎵浠ュ彲鐢ㄦ爲鐘墮摼琛ㄦ潵瀛樺偍鏁版嵁錛屾瀯鎴愪粠緗戠粶銆佷紶杈撴祦銆佷笟鍔°佷簨浠剁殑鏍戠姸緇撴瀯銆傛満欏剁洅鎺ユ敹绔殑瑙f瀽涓昏璐熻矗榪欎簺SI鏁版嵁鐨勯噸寤恒?/p>

鍦ㄦ暟瀛楃數瑙嗙郴緇熶腑錛屼負浜嗚兘鏈夋晥鍦頒粠浼楀鐨勬暟鎹寘涓粍緇囪搗SI淇℃伅錛岃屼嬌鐢ㄤ簡寰堝鐨勬爣璇嗐傛湁Network_id(緗戠粶鏍囪瘑)銆丱riginal_network_id(鍘熷緗戠粶鏍囪瘑)銆乀ransport_stream_id(浼犺緭嫻佹爣璇?銆丼ervice id(涓氬姟鏍囪瘑)銆乪ventid_id(浜嬩歡鏍囪瘑)銆丅ouquet_id(涓氬姟緹ょ粍鏍囪瘑)銆傝繖浜涙爣璇嗘槸浣滀負淇℃伅鏌ユ壘瀹氫綅鐢ㄧ殑錛屼緥濡傦細瑕佸湪涓涓猅S閲屾壘鍑轟竴涓笟鍔′俊鎭紝灝辮鐭ラ亾榪欎釜涓氬姟淇℃伅鍦ㄩ偅涓綉緇滈噷銆佸湪鍝釜TS閲屽拰榪欎釜涓氬姟淇℃伅鍦ㄨ繖涓祦閲岀殑鏍囪瘑錛岃繖鏍蜂竴鏉ワ紝閫氳繃灞傚眰榪囨護錛屽氨鑳界簿紜湴瀹氫綅鎻忚堪榪欎釜涓氬姟淇℃伅鐨勪綅緗紝騫舵妸瀹冧滑鎵懼嚭鏉ヨ繘琛屾暟鎹粍緇囥傚浘1灝遍潪甯告竻妤氬湴琛ㄦ槑浜嗚繖縐嶆煡鎵炬濊礬銆?/p>

涓涓綉緇滀俊鎭敱network_id鏉ュ畾浣嶃?/p>

涓涓猅S鐢眓etwork_id銆丱riginal_network_id銆乀ransport_stream_id鏉ュ畾浣嶏紝鏍囨槑榪欎釜嫻佸湪閭d釜緗戠粶鎾彂錛屽畠鍘熷睘閭d釜緗戠粶錛屽茍緇欏畠鍔犱笂鏍囪瘑銆?/p>

涓涓笟鍔$敱network_id銆丱riginal_network_id銆乀ransport_stream_id銆乻ervice_id鏉ュ畾浣嶏紝鏍囨槑榪欎釜涓氬姟鍦ㄩ偅涓綉緇滄挱鍙戯紝瀹冨師灞為偅涓綉緇滃拰閭d釜嫻侊紝騫剁粰瀹冨姞涓婃爣璇嗐傝繖浣撶幇鍦⊿DT琛ㄤ腑銆?/p>

涓涓簨浠剁敱network_id銆丱riginal_network_id銆乀ransport_stream_id銆乻ervice_id銆乪vent_id鏉ュ畾浣嶏紝鏍囨槑榪欎釜浜嬩歡鍦ㄩ偅涓綉緇滄挱鍙戯紝瀹冨師灞為偅涓綉緇滃拰閭d釜嫻佸強閭d釜涓氬姟錛屽茍緇欏畠鍔犱笂鏍囪瘑銆傝繖浣撶幇鍦‥IT琛ㄤ腑銆?/p>

鎹錛屾牴鎹悇涓猄I琛ㄧ殑鍔熻兘錛屽悇琛ㄧ殑ID緇撴瀯濡備笅錛?/p>

NIT錛歯etwork_id銆丱riginal_network_id銆乀ransport_stream_id 銆乻ervice_id銆?/p>

SDT錛歄riginal_network_id銆乀ransport_stream_id 銆乻ervice_id銆?/p>

EIT錛歄riginal_network_id銆乀ransport_stream_id 銆乻ervice_id銆乪vent_id銆?/p>

BAT錛歜ouquet_id 銆丱riginal_network_id 銆乀ransport_stream_id 銆乻ervice_id銆?/p>

鍙﹀錛岃繕鏈変竴涓狿ID錛堝寘鏍囪瘑錛夛紝瀹冪殑浣滅敤鏄粰姣忎竴涓暟鎹寘鎵撲笂涓涓爣璁幫紝TS鎵胯澆鏈夎棰戞暟鎹侀煶棰戞暟鎹丳SI鍜孲I淇℃伅鏁版嵁銆佸浘鏂囩數瑙嗘暟鎹佸瓧騫曟暟鎹佹暟鎹箍鎾暟鎹佷氦浜掍笟鍔℃暟鎹丆A緋葷粺鐨勬帶鍒朵俊鎭暟鎹瓑絳夛紝闄や簡PSI鍜孲I淇℃伅鏁版嵁鍜孋A緋葷粺鐨勬帶鍒朵俊鎭暟鎹錛屽叾浠栫殑鏁版嵁鐨凱ID閮芥槸閫氳繃PMT琛ㄧ粰鍑虹殑錛孋A緋葷粺鐨勬帶鍒朵俊鎭暟鎹殑PID鏄敱CAT琛ㄧ粰鍑虹殑錛岃屾壙杞戒簡PSI鍜孲I淇℃伅鐨勫悇縐嶈〃鐨凱ID鍊兼槸鍥哄畾鍒嗛厤鐨勩傚涓嬭〃

琛?nbsp;                       PID鍊?/p>

PAT                     |            0X0000
CAT                      |            0X0001
TSDT                    |             0X0002
NIT銆丼T                 |           0X0010
SDT銆丅AT銆丼T   |          0X0011
EIT銆丼T               |        0X0012
RST銆丼T               |          0X0013
TDT銆乀OT銆丼T    |          0X0014
DIT                        |          0X001E
SIT                        |          0X001F

鐢變簬榪欎簺琛ㄦ槸鍒嗛厤浜嗗浐瀹氱殑PID鍊鹼紝鎵浠ユ満欏剁洅灝卞彲浠ユ牴鎹繖浜汸ID鍊兼潵杈ㄨ鍑烘槸浠涔堣〃錛屽茍璇誨彇琛ㄤ腑鐨勬弿榪板弬鏁版潵鐢熸垚EPG淇℃伅鍜屽畬鎴愬悇縐嶆暟鎹殑緇勭粐銆佽В鐮佸嚭鎵闇瑕佺殑鑺傜洰鍜屼俊鎭?/p>

2銆佽〃鐨勬瀯鎴?/p>

琛ㄦ槸緇勬垚SI淇℃伅鐨勪竴縐嶆暟鎹粨鏋勩傚湪TS涓湁寰堝涓嶅悓鑺傜洰鐨勬暟鎹寘錛岃В鐮佸櫒濡備綍紜畾鍝釜鏁版嵁鍖呭睘浜庢煇涓妭鐩紵鍏剁瓟妗堝氨鏄湪TS涓殑PSI鍜孲I淇℃伅閲岋紝榪欎簺淇℃伅綺劇‘鍦版寚寮曞嚭鑾峰緱鏌愯妭鐩笌璇ヨ妭鐩暟鎹寘鐨凱ID涔嬮棿鐨勫叧緋匯?/p>

鐢盡PEG-2瀹氫箟鐨凾S閲岄潰錛屾暟鎹寘鎼哄甫浜嗕袱綾諱俊鎭細涓鏄煶銆佽棰戠瓑绱犳潗鐨勬暟鎹紝浜屾槸PSI琛ㄣ傚叿鏈夌粰瀹歅ID鐨勬暟鎹寘鐨勬湁搴忔帓鍒楀氨褰㈡垚浜員S嫻併侾SI琛ㄩ噷鐨勬壙杞界殑鍐呭涓昏鏄疶S錛堟湰鑺傜洰嫻侊級鐨勬弿榪板弬鏁般傜敱MPEG-2瀹氫箟鐨凱SI涓昏鍖呭惈鏈変笁涓〃錛歅AT銆丳MT銆丆AT銆傛瘡涓〃閮藉彲浣滀負涓涓垨澶氫釜TS鍖呯殑鍑鑽鋒彃鍏S涓紶閫併?/p>


涓涓猅S鏁版嵁鍖呯殑鍑鑽蜂負188涓瓧鑺傦紝褰撲竴涓狿SI/SI琛ㄧ殑瀛楄妭闀垮害澶т簬184瀛楄妭鏃訛紝灝辮瀵硅繖涓〃榪涜鍒嗗壊錛屽艦鎴愭錛坰ection錛夋潵浼犻併傚垎孌墊満鍒朵富瑕佹槸灝嗕竴涓暟鎹〃鍒嗗壊鎴愬涓暟鎹銆傚湪PSI/SI琛ㄥ埌TS鍖呯殑杞崲榪囩▼涓紝孌佃搗鍒頒簡涓粙鐨勪綔鐢ㄣ傜敱浜庝竴涓暟鎹寘鍙湁188瀛楄妭錛岃屾鐨勯暱搴︽槸鍙彉鐨勶紝EIT琛ㄧ殑孌甸檺闀?096瀛楄妭錛屽叾浣橮SI/SI琛ㄧ殑孌甸檺闀夸負1024瀛楄妭銆傚洜姝わ紝涓涓瑕佸垎鎴愬嚑閮ㄥ垎鎻掑叆鍒癟S鍖呯殑鍑鑽蜂腑銆傚鍥?鎵紺恒?/div>
PSI/SI琛ㄧ殑鏋勬垚鏄細涓涓〃鐢變竴涓垨澶氫釜瀛愯〃鏋勬垚錛岃〃鐢╰able_id鏉ユ爣璇嗭紱涓嶅悓鐨勫瓙琛ㄧ敱table_id鍜宼able_id_extension鏉ュ尯鍒嗭紙鍏鋒湁鐩稿悓鐨則able_id鍜屼笉鍚岀殑table_id_extension錛夛紱涓涓瓙琛ㄧ敱涓涓垨澶氫釜孌墊瀯鎴愶紙鍏鋒湁鐩稿悓鐨則able_id鍜宼able_id_extension錛屼笉鍚宻ection_number鏉ュ尯鍒嗭級錛涙瘡涓鐢卞涓猅S鏁版嵁鍖呯殑鏁版嵁緇勬垚銆傛瘡涓鍏鋒湁涓涓畬鏁寸殑鏁版嵁緇撴瀯錛岃〃鐨勯噸瑕佸弬鏁?---鎻忚堪絎﹀湪孌甸噷浼犻併傚浘3鎵紺烘槸SDT琛ㄧ殑緇撴瀯銆?br>


錛?024錛夋椂錛屽彲鎶婂瓙琛ㄥ垎鍓叉垚涓や釜鎴栨洿澶氫釜孌碉紝 騫墮氳繃section_number鏉ュ尯鍒嗭紝濡傚浘3-1鎵紺恒?/div>
涓嶅悓鐨勪俊鎭〃鍦═S涓氳繃PID鏉ュ尯鍒嗭紝鍏鋒湁鐩稿悓PID鐨勪笉鍚岃〃鐢眛able_id錛坱able_id鏄〃鏍囪瘑錛夋潵鍖哄垎錛屽睘浜庡悓涓涓猼able_id鐨勪笉鍚屽瓙琛ㄧ敱table_id_extension銆佺増鏈彿(version_number)榪涜鍖哄垎錛屽睘浜庡悓涓涓瓙琛ㄧ殑涓嶅悓孌電敱section_number鍖哄垎銆傝〃鐨勬墿灞曟爣璇嗙鏈夛細network_id銆乷ringinal_network_id銆乥oquet_id銆乼ansport_stream_id銆乻ervice_id絳夈?/div>
l         瀵逛簬NIT琛ㄧ殑瀛愯〃鍏鋒湁鐩稿悓鐨則able_id銆乶etwork_id鍜寁ersion_number銆?/div>
l         瀵逛簬BAT琛ㄧ殑瀛愯〃鍏鋒湁鐩稿悓鐨則able_id銆乥ouquet_id鍜寁ersion_number銆?/div>
l         瀵逛簬SDT琛ㄧ殑瀛愯〃鍏鋒湁鐩稿悓鐨則able_id銆乷ringinal_network_id銆乼ansport_stream _id鍜寁ersion_number銆?/div>

l         瀵逛簬EIT琛ㄧ殑瀛愯〃鍏鋒湁鐩稿悓鐨則able_id銆乷ringinal_network_id銆乼ansport_stream _id銆?service_id鍜寁ersion_number銆?/p>

    浠IT琛ㄤ負渚嬨侲IT鐨凱ID鏄?X0012錛屽綋瀹冪殑table_id=0X4E鏃訛紝EIT鎻忚堪鐨勬槸鍦ㄥ綋鍓峊S涓殑褰撳墠/鍚庣畫錛圗IT present/following錛変簨浠朵俊鎭紱table_id=0X4F鏃訛紝EIT鎻忚堪鐨勬槸鍦ㄥ叾瀹僒S涓殑褰撳墠/鍚庣畫錛圗IT present/following錛変簨浠朵俊鎭傝繖涓や釜涓嶅悓鐨勬弿榪板艦鎴愪簡EIT鐨勪袱涓〃銆傛瘡涓〃鍒嗕負涓や釜孌碉紝涓涓鐢ㄦ潵鎻忚堪褰撳墠姝e湪鎾斁鐨勪簨浠訛紝鍙︿竴涓鐢ㄦ潵鎻忚堪鍗沖皢鎾斁鐨勪簨浠躲傛鏃朵袱涓鐨則able_id銆乻ervice_id銆乼ansport_stream_id鏄浉鍚岀殑錛屼絾section_number涓嶇浉鍚岋紝section_number 0x00鐢ㄦ潵鎻忚堪褰撳墠浜嬩歡錛宻ection_number 0x01鎻忚堪涓嬩竴涓簨浠躲?/p>

鈶?緗戠粶鎻忚堪琛紙NIT錛夌殑浣滅敤
鍦∕PEG2涓敱浜庡茍娌℃湁瀵筃IT琛ㄨ繘琛屽畾涔夛紝鎵浠ュ湪PSI涓璑IT琛ㄥ唴瀹規槸縐佹湁鐨勶紝浣嗗湪DVB涓粰NIT琛ㄤ綔浜嗘槑紜殑瀹氫箟錛屾墍浠IT琛ㄦ槸涓涓叏灞琛紝灝辨槸涓涓暟瀛楃數瑙嗙郴緇熷彧瀵瑰簲涓や釜NIT琛紝鍒嗗埆涓哄綋鍓嶇綉緇滆〃錛坱able_id=0X40錛夊拰鍏朵粬緗戠粶琛紙table_id=0X041錛夛紝姣忎釜涓嶅悓鐨勭綉緇滆鍏墮鐐規暟(1涓猅S=1涓鐐?鐨勫灝戝搴斾竴涓垨澶氫釜瀛愯〃錛岄氳繃network_id鏉ュ尯鍒嗐?/div>

    NIT琛ㄤ富瑕佹槸鎻愪緵鏈夊叧鐗╃悊緗戠粶鐨勪俊鎭紝緗戠粶淇℃伅琛ㄤ紶閫佹湰緗戠粶浠ュ強涓庢鏈夊叧鐨勫叾瀹冪綉緇滅殑涓浜涗俊鎭傛瘡涓綉緇滈兘鏈夊敮涓鐨勮瘑鍒錛坣etwork_id錛夈傜綉緇滀俊鎭〃涓昏鎼哄甫錛氱綉緇滆瘑鍒(Network_ID)銆佺綉緇滃悕縐般佷紶杈撶郴緇熷弬鏁?鏈夌嚎浼犺緭緋葷粺鍙傛暟鍖呮嫭錛氶鐜囥佽皟鍒舵柟寮忋丗EC澶栫爜銆佺鍙風巼銆丗EC鍐呯爜)銆佽妭鐩笟鍔$被鍨嬪強Service_ID絳変俊鎭傛満欏剁洅鍙璋冭皭鍒版惡甯IT琛ㄧ殑浼犻佹祦涓紝鍗沖彲鎻愬彇鍏跺畠緗戠粶鐨勫弬鏁幫紝涓鑸В鐮佸櫒渚垮彲鏍規嵁鎻愬彇鍑烘潵鐨勪俊鎭紝鑷姩鎼滅儲棰戦亾銆?/p>

    榪欓噷璇翠竴璇磏etwork_id鍜宱ringinal_network_id鐨勫垎鍒傛瘡涓繍钀ュ晢閮介渶瑕佹敞鍐屽敮涓鐨刵etwork_id錛屽亣璁句腑澶數瑙嗗彴鐨刵etwork_id=0X01錛屽箍宸炵數瑙嗗彴鐨刵etwork_id=0X02       銆傚綋涓ぎ鐢佃鍙扮洿鎺ユ挱鍙戣嚜宸辯殑鑺傜洰鏃訛紝network_id=oringinal_network_id錛屽鏋滅敱騫垮窞鐢佃鍙拌漿鎾腑澶數瑙嗗彴鐨勮妭鐩椂錛岄偅涔坣etwork_id=0X02錛宱ringinal_network_id=0X01銆備篃灝辨槸璇磑ringinal_network_id絳変簬鑺傜洰鍘熷彂榪愯惀鍟嗙殑network_id銆?/p>

鈶?nbsp;    涓氬姟鎻忚堪琛紙SDT錛夌殑浣滅敤

SDT琛ㄦ槸鐢盌VB瀹氫箟鐨勶紝鏄竴涓猄I琛紝鍥犳瀹冩槸涓涓叏灞琛紝涓涓暟瀛楃數瑙嗙郴緇熷搴斾袱涓猄DT琛紝鍒嗗埆涓哄綋鍓嶆祦錛坅ctual transport錛夎〃錛坱able_id=0X42錛夊拰鍏朵粬嫻?other transport)琛紙table_id=0X46錛夈傛瘡涓涓猅S瀵瑰簲涓涓瓙琛紙涔熸湁瀵瑰簲澶氫釜瀛愯〃鐨勶紝濡傚悓涓涓猅S浣嗕笟鍔℃潵鑷笉鍚岀殑original_network錛夛紝閫氳繃tansport_stream_id鍜宱riginal_network_id鏉ュ尯鍒嗐傚浘4灝辨槸涓涓猄DT琛ㄧ殑鏋勬垚鍥俱備粠鍥懼彲鐪嬪嚭錛岃繖涓猄DT琛ㄧ敱涓や釜琛ㄧ粍鎴愶紝涓涓槸褰撳墠嫻佽〃錛屽彧鏈変竴涓瓙琛紱鍙︿竴涓槸鍏朵粬嫻佽〃錛岀敱涓変釜瀛愯〃緇勬垚錛屾瘡涓祦瀵瑰簲涓涓瓙琛ㄣ?/p>

  

SDT琛ㄧ敤浜庢弿榪扮郴緇熶腑涓氬姟鐨勫悕縐般佷笟鍔℃彁渚涜呫佹槸鍚︽湁鐩稿簲鐨勪簨浠舵弿榪拌〃絳夋柟闈㈢殑淇℃伅錛涗笟鍔℃弿榪拌〃鍙互鎻忚堪褰撳墠浼犺緭嫻侊紝涔熷彲浠ユ弿榪板叾浠栦紶杈撴祦錛岃繖鐢辮〃鐨凾able_ID鏉ュ尯鍒嗐備笟鍔℃弿榪拌〃鎻愪緵浜嗗涓嬬殑淇℃伅錛氬睘浜庡摢涓涓妭鐩笟鍔$兢錛涜妭鐩笟鍔$殑綾誨瀷錛屽PAL銆丯TSC銆丼ECAM銆佽皟棰戝箍鎾佸浘鏂囩數瑙嗐佸噯瑙嗛鐐規挱絳夛紱鑺傜洰涓氬姟鐨勬彁渚涜咃紱鍙互鎺ユ敹璇ヤ笟鍔$殑鍥藉鍜屼笉鍙互鎺ユ敹璇ヤ笟鍔$殑鍥藉錛涙寚鍚戠壒瀹氱殑閾炬帴淇℃伅錛涘疄鐜板噯瑙嗛鐐規挱鐨勬寚瀵間俊鎭紱瀹炵幇澶氱敾闈㈢殑鎺у埗淇℃伅錛涙寚紺轟嬌鐢ㄧ殑鍔犲瘑緋葷粺錛涚粰鍑哄疄鐜頒氦浜掑紡鍥炰紶淇¢亾鐨勭數璇濆彿鐮侊紱鎻愪緵澶氳縐嶇殑鑺傜洰涓氬姟鍚嶇О鍜屽箍鎾呬互鍙婄鏈夋暟鎹備絾鏈甯哥敤鐨勬槸涓氬姟鍒楄〃錛屽嵆瀵逛笟鍔″悕縐扮殑鎻忚堪錛屽涓ぎ1鍙般佸箍宸炴柊闂誨彴銆佺彔姹熷彴絳夌瓑銆?/p>

鈶?nbsp;    浜嬩歡淇℃伅琛紙EIT錛夌殑浣滅敤

EIT琛ㄦ槸鐢盌VB瀹氫箟鐨勶紝鏄竴涓猄I琛紝鍥犳瀹冩槸涓涓叏灞琛紝涓涓暟瀛楃數瑙嗙郴緇熸瘡涓涓笟鍔″搴斾袱縐岴IT琛ㄣ備竴鏄疎IT present/following琛紙鎻忚堪褰撳墠浜嬩歡/鍚庣畫浜嬩歡錛夛紝涓涓笟鍔″搴旂潃涓涓狤IT present/following琛紝EIT present/following琛ㄥ垎涓哄綋鍓嶆祦琛紙table_id=0X4E錛夊拰鍏朵粬嫻佽〃錛坱able_id=0X4F錛夛紝姣忎竴涓祦閫氬父瀵瑰簲6涓紙鏈?涓笟鍔★級EIT present/following瀛愯〃錛屾瘡涓瓙琛ㄧ敱涓や釜孌電粍鎴愶紝鍒嗗埆鏄疎IT present孌靛拰EIT following孌碉紝section_number= 0x00鐨勬鎻忚堪褰撳墠鎾斁鐨勪簨浠訛紝 section_number= 0x01孌墊弿榪板悗緇挱鏀句簨浠訛紝鍥?鎵紺恒傚叾浠栨祦琛ㄧ粨鏋勪笌褰撳墠嫻佽〃鐩稿悓錛涗簩鏄疎IT schedule錛堟椂闂磋〃錛夎〃錛屼竴涓笟鍔℃渶澶氬彲瀵瑰簲16涓狤IT schedule琛紝閭d箞姣忎釜嫻侀氬父鏈澶氬彲瀵瑰簲6錛堜笟鍔℃暟錛?#215;16=96涓瓙琛紝姣忎釜瀛愯〃鐢?56涓緇勬垚錛堢敱浜庡垎孌靛彿鏄?涓瘮鐗癸紝鎵浠ユ渶澶氬彧鑳芥湁256涓垎孌碉級錛屻?/p>

瀵逛簬EIT schedule琛紝瀹冩槸鐢ㄤ綔鎻忚堪涓涓笟鍔″湪涓孌墊椂闂達紙鍙互鏄竴澶┿佷竴鍛紝鏈澶у彲浠ユ槸64澶╋紝鏍規嵁鍐椾綑甯﹀鏉ヨ繘琛岃瀹氾級鍐呮墍鎾斁鐨勮妭鐩畨鎺掞紝鑺傜洰鐨勬挱鍑哄畨鎺掓槸浠ユ椂闂村拰鑺傜洰綆浠嬩綔涓烘弿榪扮殑銆傛椂闂村強鍐呭鏄弿榪頒竴涓簨浠剁殑鏈鍩烘湰鍏冪礌錛屼緥濡傦細鎶婁竴涓笟鍔℃墍鎾斁鐨勬瘡涓涓妭鐩兘鐪嬫垚鏄竴涓簨浠訛紝閭d箞姣忎竴涓妭鐩紑濮嬫挱鏀劇殑鏃墮棿鍜屾挱鏀炬椂闂寸殑闀垮害鍙婁簨浠剁殑鍐呭灝辨槸璇ヤ簨浠剁殑鍩烘湰鍏冪礌錛孍IT schedule瀛愯〃灝辨槸鐢ㄨ繖涓鍩烘湰鍏冪礌鏉ユ弿榪版瘡涓涓簨浠跺茍浜х敓鏌愪竴孌墊椂闂村唴瑕佸彂鐢熺殑鎵鏈変簨浠剁殑鍒楄〃錛屽洜姝IT schedule瀛愯〃鐨勪俊鎭噺寰堝ぇ錛圗IT琛ㄧ殑孌甸檺闀?096瀛楄妭錛夛紝鐢?56涓猻ection緇勬垚錛屾墍浠ュ張寮曞叆浜唖egment錛堢墖孌碉級鐨勬蹇點傛妸256涓鍒嗘垚32涓猻egment錛涗竴涓猻egment鐢?涓猻ection錛堝垎孌碉級緇勬垚錛屾瘡涓猻egment鍙互鎻忚堪3涓皬鏃剁殑浜嬩歡淇℃伅錛屼篃灝辨槸璇達紝涓涓狤IT schedule琛ㄧ敱32涓墖孌電粍鎴愶紝姣忎釜鐗囨鐢?涓垎孌電粍鎴愶紝閫氳繃section_number鏉ュ尯鍒嗭紝閭d箞姣忎釜瀛愯〃鍙弿榪?2*3=96灝忔椂錛?澶╋級鐨勪簨浠朵俊鎭紝鐢變簬涓涓笟鍔℃渶澶氬彲瀵瑰簲鐫16涓狤IT schedule琛紝鍒欏浜庝竴涓笟鍔℃潵璇存渶澶氬彲浠ユ弿榪?6(0X50----0X5F)*4=64澶╃殑浜嬩歡淇℃伅銆傝繖閲岋紝segment鐩稿綋浜庝竴涓簨浠剁粍錛宻ection鏄簨浠剁粍鍐呭叿浣撶殑涓涓簨浠躲侲IT schedule琛ㄤ篃鍒嗕負褰撳墠嫻佽〃錛坱able_id=0X50---0X5F 鍏?6涓級鍜屽叾浠栨祦琛紙table_id=0X60---0X6F 鍏?6涓級錛?EIT schedule琛ㄦ槸鍙夌殑錛堝嵆緋葷粺鍙互鍙戦佹琛ㄤ篃鍙互涓嶅彂閫佹琛級錛屼簨浠朵俊鎭寜鏃墮棿欏哄簭鎺掑垪銆?/p>

EIT琛ㄥ寘鍚簨浠舵垨鑺傜洰鐨勬湁鍏蟲暟鎹紝濡備簨浠剁殑鍚嶇О銆佸紑濮嬫椂闂淬佹寔緇椂闂淬佽繍琛岀姸鎬佺瓑銆備簨浠朵俊鎭〃鎻愪緵濡備笅淇℃伅錛氳妭鐩鐨勬爣璇嗗彿銆佽搗濮嬫椂闂淬佹寔緇椂闂淬佹挱鏀劇姸鎬併佹槸鍚﹀姞瀵嗭紱鎸囧悜鐗瑰畾淇℃伅鐨勯摼鎺ヤ俊鎭紱鑺傜洰孌靛璇鐨勭畝鐭粙緇嶏紱鑺傜洰孌電殑璇︾粏浠嬬粛錛涗袱孌靛悓鏍瘋妭鐩鐨勬椂闂村亸縐伙紱鍩烘湰鐮佹祦綾誨瀷浠嬬粛錛屽瑙嗛鐨勫箙鍨嬫瘮銆佷即闊崇殑綾誨瀷銆佸瓧騫曠殑綾誨瀷絳夛紱浣跨敤鐨勫姞瀵嗙郴緇熶粙緇嶏紱鑺傜洰綾誨瀷浠嬬粛錛屽鐢靛獎/鎴忓墽銆佹柊闂匯佺患鑹恒佷綋鑲層佸皯鍎褲侀煶涔愩佽壓鏈佺ぞ浼氭斂娌匯佹枃鏁欑瓑錛涜妭鐩檺瀹氬勾榫勭殑綰у埆浠嬬粛錛涚粰鍑哄疄鐜頒氦浜掑紡鍥炰紶淇¢亾鐨勭數璇濆彿鐮侊紱涓烘弧瓚沖悇鑺傜洰孌電殑鐮佺巼鑰屾彁渚涚殑緙撳瓨澶у皬淇℃伅鍙婄鏈夋暟鎹備簨浠朵俊鎭腑鎻愪緵浜嗙被浼間簬騫挎挱鐢佃鎶ユ墍鎻愪緵鐨勮妭鐩〃鐨勫唴瀹癸紝鏍規嵁EIT鍙婂叾瀹冭〃鎵鎻愪緵鐨勪俊鎭紝鍙互鍋氬嚭鍚勭EPG鍔熻兘錛屽鎸夎妭鐩被鍨嬫绱€佹寜鏃墮棿媯绱㈠強瀵規煇綾昏妭鐩殑閿佸畾絳夈傚彲浠ヨEIT琛ㄦ槸鎻愪緵EPG淇℃伅鐨勪富瑕佽〃錛屼篃鏄粨鏋勬渶澶嶆潅鐨凷I琛ㄣ?/p>

鍦‥IT present/following琛ㄤ腑錛屾瘡涓浜嬩歡閮界敤涓涓猠vent_id鏉ユ爣璇嗗畠錛屾瘡涓涓簨浠剁殑欏哄簭鍏崇郴錛堝綋鍓嶆鍦ㄥ彂鐢熺殑浜嬩歡/鍚庣畫鍙戠敓鐨勪簨浠訛級灝辯敱EIT present/following鏉ユ弿榪般?/p>

閭d箞濡備綍鏉ヨ瘑鍒綋鍓嶆鍦ㄥ彂鐢熺殑浜嬫儏鍜屽悗緇彂鐢熺殑浜嬫儏鍛紵閭f槸閫氳繃event_id鏉ユ爣璇嗙殑錛屽鍥?鎵紺恒傚浘涓璭vent_id=0X49琛ㄧず褰撳墠姝e湪鍙戠敓鐨勪簨浠訛紱event_id=0X4A琛ㄧず鍚庣畫鍙戠敓鐨勪簨浠躲傞偅涔堝湪褰撳墠浜嬩歡瀹屾垚榪涘叆鍚庣畫浜嬩歡鏃訛紝姝ゆ椂鐨勫悗緇簨浠跺彉鎴愬綋鍓嶄簨浠訛紝鍚庣畫浜嬩歡灝嗙敱涓涓柊鐨勪簨浠朵唬鏇褲傝繖涓鍙樺寲鏄嬌鐢╲ersion_number鏉ュ姞浠ユ弿榪扮殑銆備緥濡傦細

褰撳墠鎾嚭 19錛?0----19錛?0 鏂伴椈鑱旀挱 event_id=0X49錛?/p>

鍚庣畫鎾嚭 19錛?1----20錛?0 鍔ㄧ敾鐗?event_id=0X4A錛屾鏃秜ersion_number=0

璁炬柊鐨勫悗緇?21錛?1---21錛?5 鏇茶壓鑺傜洰銆傚綋鏂伴椈鑱旀挱瀹屾垚鍚庯紝鍒欏彉鍖栦負錛?/p>

褰撳墠鎾嚭 19錛?1----20錛?0 鍔ㄧ敾鐗?event_id=0X49錛?/p>

鍚庣畫鎾嚭 21錛?1----21錛?5 鏇茶壓鑺傜洰 event_id=0X4A錛屾鏃秜ersion_number=1

鍥?/span>6鏄敱SDT琛ㄥ拰EIT琛ㄦ墍浜х敓鐨?/span>EPG淇℃伅錛屽浘7鏄敱EIT琛ㄦ墍浜х敓鐨勪竴涓妭鐩閬撶殑鑺傜洰鎾嚭鏃墮棿琛ㄣ?br>    

EIT琛ㄦ槸SI琛ㄤ腑緇撴瀯鏈澶嶆潅鐨勮〃錛屽浘8鏄畠鐨勭粨鏋勫浘銆?/span>

鏈洪《鐩掗氬父閮芥湁涓涓?#8220;鑺傜洰鎸囧崡”鐨勬寜閽紝鎸夊姩瀹冨氨鍙互璇誨彇EIT schedule鑷〃閲岀殑淇℃伅錛屾樉紺烘煇涓涓笟鍔″湪鏌愭鏃墮棿鍐呯殑鎵鏈変簨浠跺垪琛ㄣ?/span>

鈶?span>     涓氬姟緇勫叧鑱旇〃錛?/span>BAT錛夌殑浣滅敤

BAT琛ㄦ槸鐢?/span>DVB瀹氫箟鐨勶紝鏄竴涓?/span>SI琛紝鍥犳瀹冩槸涓涓叏灞琛紝涓涓暟瀛楃數瑙嗙郴緇熷彧瀵瑰簲涓涓?/span>BAT琛紝鍏?/span>table_id=0X4A銆備竴涓妭鐩被鍒搴斾竴涓銆?/span>涓轟簡璁╁彈浼楄兘鏇存柟渚垮湴鍦ㄤ紬澶氱殑鑺傜洰涓鎵懼嚭鑷繁鍠滄鐨勮妭鐩紝寰寰闇瑕佹彁渚涗竴縐嶆妸浼楀鐨勮妭鐩閬撹繘琛屽垎綾葷殑鏂規硶錛堜竴涓被鐩稿綋涓涓妭鐩粍錛夈備緥濡傛妸鐢靛獎棰戦亾褰掍負“瀹跺涵褰遍櫌”鐨勭被鍒紝鎶婄數瑙嗚繛緇墽褰掍負“鐢佃鍓у満”鐨勭被鍒瓑絳夛紝BAT琛ㄥ氨鎻愪緵浜嗚繖涓鍔熻兘錛屾瘡涓涓被鍒兘鐢ㄤ竴涓?/span>bouquet_id 鏉ユ爣璇嗐傚畠鍖呮嫭浜嗚妭鐩笟鍔″悕縐幫紙綾誨埆錛夊強鑺傜洰緇勬墍鍖呭惈鐨勮妭鐩竻鍗曪紙鑺傜洰鍒楄〃錛夈?/span>BAT琛ㄥ湪SI淇℃伅涓睘浜庡彲閫夎〃銆?/span>

BAT琛ㄨ繕鏀寔涓涓壒鍒殑鎻忚堪絎︼紝縐頒負鍥藉鑾峰緱鎬ф弿榪扮銆傛鎻忚堪絎︾殑鎰忎箟鏄細榪愯惀鍟嗗彲鑳藉嚭浜庤繍钀ョ殑闇瑕侊紝鎶婁竴浜涗笟鍔℃彁渚涚粰鐗瑰畾錛堝浗瀹訛級鐨勪漢緹ゆ敹鐪嬶紝鑰屼笉甯屾湜緇欏叾浠栵紙鍏朵粬鍥藉錛夌殑浜虹兢鏀剁湅錛岄偅涔堬紝灝卞彲浠ュ埄鐢ㄥ浗瀹惰幏寰楁ц繖涓鎻忚堪絎︼紝鍦ㄥ叾浠栦漢緹ゆ敹鐪嬭妭鐩椂涓嶆樉紺鴻繖浜涗笟鍔°傝繖涓弿榪扮鍚屾牱鏀寔SDT琛紝涓嶈繃鍦?/span>SDT 琛ㄤ腑鎸囩殑鏄煇涓涓笟鍔★紝鑰屼笉鏄竴涓笟鍔$粍銆傛墍浠ワ紝BAT琛ㄦ鎷湴璇存槸鎻愪緵緇欎笉鍚岃浼椾笉鍚岀粍鍚堣妭鐩殑涓縐嶆柟娉曘?/span>

鈶?/span> 鍏朵粬琛?/span>

瀵逛簬PAT銆?/span>PMT鍜?/span>CAT琛紝閮芥槸鐢?/span>MPEG-2瀹氫箟鐨勶紝鏄?/span>PSI閲岄潰鐨勮〃錛屾墍浠ヨ繖涓変釜琛ㄩ兘涓嶆槸鍏ㄥ眬琛紝瀹冧滑瀛樺湪鍦ㄦ瘡涓涓?/span>TS涓?/span>PSI淇℃伅浣跨敤榪?/span>3涓〃鏉ュ畾涔夌爜嫻佺殑緇撴瀯錛屼竴涓?/span>TS瀵瑰簲涓涓?/span>PAT琛紱涓涓?/span>CA緋葷粺鍜屼竴涓?/span>TS瀵瑰簲涓涓?/span>CAT琛紝CAT琛ㄧ殑PID鍊兼繪槸1錛屾瘡涓?/span>CAT閮藉彧緇欏嚭鍏舵墍鍦ㄦ祦鐨?/span>EMM錛堝寘鎷惡甯︾粍瀵嗛挜鐨?/span>EMM鍜屾惡甯︿駭鍝佸瘑閽ョ殑EMM錛夊寘鐨?/span>PID絳変俊鎭紱涓涓笟鍔★紙鑺傜洰棰戦亾錛夊搴斾竴涓?/span>PMT琛紝涓涓?/span>TS瀵瑰簲澶氫釜PMT錛堣嫻佷腑鎵鎼哄甫鐨勪笟鍔℃暟鑰屽畾錛変笖鍙搴旀湰嫻佺殑涓氬姟銆?/span>

PAT鐨?/span>PID鏄?/span>0錛屽畠鏄?/span>PSI淇℃伅鐨勬牴錛岃鏌ユ壘淇℃伅鏃墮鍏堝繀欏諱粠PAT寮濮嬶紝琛ㄤ腑鍒楀嚭浜嗕紶閫佺爜嫻佷腑鎵鏈夎妭鐩墍瀵瑰簲鐨?/span>PMT鐨?/span>PID錛屽彲鏍規嵁榪欎簺PID鎵懼埌鐩稿簲鐨?/span>PMT鍖呫傚湪PMT琛ㄤ腑鍙堝彲浠ユ壘鍒頒笌鑺傜洰鏈夊叧鐨勬墍鏈夊熀鏈爜嫻侊紝濡傝棰戙侀煶棰戙?/span>ECM鍜屾暟鎹瓑鏈夊叧淇℃伅鐨?/span>PID錛岀劧鍚庢妸榪欎簺鏍囨湁榪欎竴PID鐨勬暟鎹寘緇勭粐璧鋒潵閫氳繃瑙g爜錛屾妸鑺傜洰鎴栨暟鎹繕鍘熷嚭鏉ャ?/span>

浠ヤ笂PSI鐨勫嚑涓〃鍜?/span>NIT琛ㄦ槸瑙g爜鎵蹇呴渶鐨勮〃錛岃?/span>SDT鍜?/span>EIT鏄瀯鎴愪笟鍔′俊鎭墍蹇呴渶鐨勮〃銆?/span>

SI榪樻湁鍏朵粬鐨勮〃錛屽錛?/span>TDT琛紝縐頒負鏃墮棿鏃ユ湡琛紝瀹冪粰鍑轟簡褰撳墠鐨勬椂闂村拰鏃ユ湡鐨勪俊鎭紝鏈夋椂涔熷彲浣滀負鏈洪《鐩掕В鐮佹椂閽熺殑鏇存柊錛?/span>RST琛紝縐頒負榪愯鐘舵佽〃錛屽睘浜庡彲閫夎〃錛屽畠鐢ㄤ簬蹇熸洿鏂版煇鑺傜洰鎴栨煇浜涜妭鐩殑榪愯鍙傛暟錛?/span>RST鍙湁鍦ㄧ姸鎬佹垨鑺傜洰鍙樻洿鏃舵墠鍙戦佷竴嬈★紱ST琛紝縐頒負濉厖琛紝灞炰簬鍙夎〃錛屽畠鐢ㄦ潵鏇夸唬涓嶄紶閫佺殑琛ㄣ?/span>

鈶?/span> 鎻忚堪絎?/span>

鎻忚堪絎︽槸鐢ㄦ潵鎼哄甫鑺傜洰瑕佺礌鍜?/span>TS嫻佺瓑鐨勫悇縐嶅弬鏁扮殑淇℃伅緇撴瀯銆佽娉曚笌璇箟錛屾弿榪扮鏄?/span>PSI/SI琛ㄧ殑鏋勬垚涓諱綋錛?/span>PSI/SI琛ㄧ殑涓昏鎰忎箟灝辨槸浼犻佽繖浜涙弿榪扮錛屼負鏈洪《鐩掓彁渚涚浉鍏充笟鍔℃弿榪頒笌榪愯鍙傛暟錛屽彲浠ヨ涓?/span>SI琛ㄦ槸鑸熻屾弿榪扮鏄垷涓婄殑璐х墿銆傛弿榪扮鐨勯氱敤緇撴瀯閮芥槸浠?/span>descriptor_tag (鎻忚堪絎︽爣璁?/span>)瀛楁涓庣揣璺熷叾鍚庣殑descriptor_length錛堟弿榪扮闀垮害錛夊瓧孌靛紑濮嬨傛瘡涓?/span>SI琛ㄩ氬父閮戒嬌鐢ㄧ壒瀹氱殑鎻忚堪絎︼紝浣嗕篃涓嶉檺鍒惰繖浜涙弿榪扮鍦ㄥ叾浠栬〃涓嬌鐢ㄣ?/span>

鎻忚堪絎︽槸闅忎嬌鐢ㄥ畠鐨?/span>SI琛ㄤ竴璧峰彂閫佺殑銆?/span>

鎻忚堪絎︿互鍙婂湪瀹冧滑鐨?/span>PSI/SI琛ㄤ腑鐨勪綅緗涓嬭〃


鍦?/span>PSI/SI琛ㄩ噷錛屾垜浠氬父閮界湅鍒頒竴涓驚鐜鍙ワ紝濡傦細

for(I=0;I<N;I++){

descriptor()

}

榪欎釜寰幆璇彞鏄敤鏉ュ紩瀵兼満欏剁洅璇誨彇鎻忚堪鍙傛暟鐢ㄧ殑錛屼互SDT瀛愯〃涓轟緥錛岀敱浜庝竴涓?/span>SDT瀛愯〃閲岄潰鍖呭惈浜嗗澶氫釜涓氬姟鐨勬弿榪幫紝姣忎釜涓氬姟鐨勯兘浣跨敤浜?/span>Multilingual_service_name_descriptor鍜?/span>service_descriptor鎻忚堪絎︼紝涔熷氨鏄涓涓?/span>SDT瀛愯〃閲屽悓鏍風殑鎻忚堪絎﹁浣跨敤浜嗗嬈★紙涔熷彲浠ョ悊瑙d負錛屼竴涓弿榪扮閲屽瓨鏈夊涓弿榪板弬鏁幫級錛岄氳繃寰幆璇彞鏉ュ鎻忚堪絎﹁繘琛岄噸澶嶆湁搴忕殑璇誨彇錛屾潵鎻愬彇閲岄潰鐨勬弿榪板弬鏁幫紝鐩村埌璇誨畬涓烘銆?/span>

緗戠粶淇℃伅琛紙NIT錛夌殑孌墊暟鎹粨鏋勶細

Netwok_information_section(){ 緗戠粶淇℃伅孌?/span>

Table_id   8bit 琛ㄦ爣璇?/span>

Section_syntax_indicator 1bit 孌靛簭鍒楁寚紺?/span>(鏍囪浣?/span>),姝ゅ?/span>=1鏃?/span>,瑙勫畾浠?/span>section絎?/span>43浣嶅紑濮嬬殑5浣嶆槸鐗堟湰鍙?/span>

Reserved_future_use 1bit 淇濈暀灝嗘潵浣跨敤瀛楁

Reserved   2bit 淇濈暀瀛楁

Section_length 12bit 孌甸暱搴?/span>

Network_id 16bit 緗戠粶鏍囪瘑

Reserved   2bit 淇濈暀瀛楁

Version_number   5bit 琛ㄧ増鏈彿錛屼綔涓鴻〃鏇存柊鏈哄埗

Current_next_indicator 1bit 褰撳墠/涓嬩竴涓湁鏁堟寚紺轟綅錛堟爣璁頒綅錛夛紝琛ㄧず褰撳墠琛ㄦ槸鍚︽湁鏁堬紝濡傛灉Current_next_indicator涓?/span>1,鍒欏綋鍓嶈〃鏈夋晥;0琛ㄧず褰撳墠琛ㄦ棤鏁?/span>.

Section_number 8bit 褰撳墠孌墊鍙?/span>

Last_section_number 8bit 鏈鍚庢鍙?/span>(鍙嶆槧浜嗚繖涓瓙琛ㄧ敱澶氬皯涓緇勬垚錛屽鍏跺間負0X01閭d箞琛ㄧず榪欎釜瀛愯〃鐢變袱涓緇勬垚)

Reserved_future_use   4bit 淇濈暀灝嗘潵浣跨敤瀛楁

Network_description_length 12bit 緗戠粶鎻忚堪絎﹂暱搴?/span>

For(I=0;I<N;I++){ 鑾峰彇緗戠粶

Descriptor()   璇誨彇緗戠粶鎻忚堪鍙傛暟錛堢綉緇滃悕縐版弿榪扮銆佽繛鎺ユ弿榪扮錛?/span>

}

reserved_future_use 4bit 淇濈暀灝嗘潵浣跨敤瀛楁

transport_stream_loop_length 12bit 浼犺緭嫻佸驚鐜暱搴?/span>

for(I=0;I<N;I++){ 鑾峰彇浼犺緭嫻侊紙鏁翠釜緋葷粺鐨勪紶杈撴祦錛?/span>

transport_stream_id 16bit 浼犺緭嫻佹爣璇?/span>

original_network_id 16bit 鍘熷緗戠粶鏍囪瘑

reserved_future_use 4bit 淇濈暀灝嗘潵浣跨敤瀛楁

transport_descriptors_length 12bit 浼犺緭鎻忚堪絎﹂暱搴?/span>

for(j=0;j<N;j++){ 鑾峰彇浼犺緭嫻佺殑鎻忚堪瀛愶紙鏈夌嚎浼犻佺郴緇熸弿榪扮銆佷笟鍔″垪琛ㄦ弿榪扮絳夛級

descriptor() 璇誨彇鎻忚堪鍙傛暟

}

}

CRC_32 32bit 寰幆鏍¢獙鐮?/span>

}



鍙跺瓙 2009-09-18 10:46 鍙戣〃璇勮
]]>ffmpeg鍜宮encoder鐨勭紪璇戞柟娉?http://www.shnenglu.com/elva/archive/2009/08/03/92025.html鍙跺瓙鍙跺瓙Mon, 03 Aug 2009 06:30:00 GMThttp://www.shnenglu.com/elva/archive/2009/08/03/92025.htmlhttp://www.shnenglu.com/elva/comments/92025.htmlhttp://www.shnenglu.com/elva/archive/2009/08/03/92025.html#Feedback0http://www.shnenglu.com/elva/comments/commentRss/92025.htmlhttp://www.shnenglu.com/elva/services/trackbacks/92025.html

**************ffmpeg鐨勭紪璇?***************

1銆傞鍏堣幏鍙杅fmpeg 濡傛灉宸茬粡鑾峰彇浜唂fmpeg鐨則ar鍖呴偅絎竴姝ュ彲浠ヨ煩榪?/p>

寰堝浜烘壘涓嶅埌鎬庝箞涓嬭澆,鍏跺疄涔嬪墠ffmpeg鍙互閫氳繃cvs涓嬭澆錛屼笉榪囨渶榪戜粬宸茬粡鎹㈡垚浜嗘洿鍔犲己澶х殑svn

濡備綍浣跨敤SVN鎴戣繖閲屼笉鍐嶄粙緇嶏紝緗戜笂榪樻湁澶ч噺鐨勫畨瑁呭拰浣跨敤鐨勬枃绔犲彲浠ュ熼壌錛岃繖閲岀畝鍗曠綏鍒楀嚑涓猄VN杈呭姪鐨勮蔣浠訛細

SubVersion錛屼粠 http://subversion.tigris.org/ 涓嬭澆錛屾敮鎸乴inux錛屾垜浠繖閲屽氨瑁呰繖涓?/p>

TortoiseSVN錛屼粠 http://tortoisesvn.tigris.org/ 涓嬭澆錛屾槸寰堜笉閿欑殑SVN瀹㈡埛绔▼搴忥紝涓簑indows澶栧3紼嬪簭闆嗘垚鍒皐indows璧勬簮綆$悊鍣ㄥ拰鏂囦歡綆$悊緋葷粺鐨凷ubversion瀹㈡埛绔紝鐢ㄨ搗鏉ュ緢鏂逛究錛宑ommit鍔ㄤ綔鍙樺緱灝卞儚Winrar鍙抽敭鍘嬬緝涓鏍鋒柟渚褲?/p>


ok錛屽厛瑁卻ubversion錛岃浣忔渶濂戒箣鍓嶈榪嘺pr鍜宎pr-util錛屽湪apache.org緗戠珯鑳戒笅鍒?/p>

wget http://subversion.tigris.org/downloads/subversion-1.3.2.tar.gz
tar zvxf subversion-1.3.2.tar.gz
cd subversion-1.3.2
./configure --with-apr=/usr/local/apr-httpd --with-apr-util=/usr/local/apr-util-httpd/
make
make install


鍒版錛屾垜浠氨鍙互閫氳繃svn鍛戒護鑾峰彇鏈鏂扮殑ffmpeg浜?/p>

svn checkout svn://svn.mplayerhq.hu/ffmpeg/trunk ffmpeg

浣犱細鍙戠幇鍦ㄤ綘鎵鍦ㄧ殑鐩綍錛岃嚜鍔ㄥ嚭鐜頒竴涓猣fmpeg鐨勭洰褰曪紝灝辨槸浣犱笅杞界殑婧愪唬鐮併?/p>


鎴戜滑榪樹笉鑳借繖涔堝揩緙栬瘧ffmpeg錛屽簲璇ュ鏋滆璁ゝfmpeg鏀寔鏇村鏍煎紡鐨勮漿鎹紝榪橀渶鍋氫竴浜涘墠鏈熷伐浣?/p>


2.鏀寔mp3錛宭inux褰撶劧鏄痩ame錛屼笅杞借В鍘?br>tar zxvf lame-3.97b3_.tar.gz
cd lame-3.97.1
./configure --prefix=/usr  --enable-shared
make
make install
榪欓噷鎺ㄨ崘灝介噺瑁呭湪/usr涓嬶紝榛樿鏄鍦?usr/local涓嬨傝繖鏍穎fmpeg緙栬瘧閮借兘欏哄埄鐨勬壘鍒板簱鏂囦歡


3.鏀寔Ogg鍜孷orbis:
as4浣犲彲浠ュ畨瑁呬竴涓嬪涓媡ar鍖?br>libvorbis, libvorbis-devel,libogg, libogg-devel
tar jxvf libvorbis-1.1.1-1-src.tar.bz2
cd libvorbis-1.1.1-1
./configure --prefix=/usr  --enable-shared
make
make install
鍏朵粬鐨勶紙libvorbis-devel,libogg, libogg-devel榪欎笁涓猼ar鐩存帴瑙e帇灝卞彲浠ヤ簡鐢╰ar jxvf libvorbis-devel.........)

4.鏀寔xvid x264錛岀幇鍦ㄦ渶嫻佽鐨勪袱縐嶉珮璐ㄩ噺鐨勫帇緙╂牸寮?br>xvid鐨勭紪璇戝畨瑁?br>涓嬭澆 http://downloads.xvid.org/downloads/xvidcore-1.1.0.tar.gz
tar zvxf xvidcore-1.1.0.tar.gz
cd xvidcore-1.1.0/build/generic/
./configure --prefix=/usr --enable-shared
make
make install


***鍦ㄥ畨瑁匵264涔嬪墠蹇呴』瀹夎nasm-0.98.39.tar.bz2 涓嶇劧X264瑁呬笉涓婂幓***
涓嬭澆nasm-0.98.39.tar.bz2
tar jxvf nasm-0.98.39.tar.bz2
cd nams-0.98.39
./configure --prefix=/usr --enable-shared
make
make install

涓嬭澆 x264-snapshot.tar.bz2
tar jxvf  x264-snapshot.tar.bz2
cd  x264-snapshot.tar.bz2
./configure --prefix=/usr --enable-shared
make
make install


5.AC3鍜宒ts緙栫爜鐨勬敮鎸?br>as4緋葷粺浼間箮宸茬粡鏀寔ac3緙栫爜錛岀紪璇戠殑鏃跺欏彧瑕佸姞--enable-a52 --enable-gpl鍙傛暟灝辮

libdts-0.0.2.tar.gz緙栬瘧鍙傛暟
tar zxvf libdts-0.0.2.tar.gz 
cd libdts-0.0.2
./configure --prefix=/usr --enable-shared
make
make install


6.mpg4 aac鏍煎紡鏀寔錛岀敱浜庢湇鍔″櫒榪橀拡瀵規墜鏈虹敤鎴鋒湇鍔★紝鎵浠ワ紝綾諱技aac錛宮pg4閾冨0鏍煎紡鐨勬敮鎸侊紝鎴戜滑涔熷緱鍋氥傝繖閲屾垜浠畨瑁協aad2鍜宖aac灝辮
涓嬭澆璇峰埌http://www.audiocoding.com/modules/mydownloads/

***鍏堢紪璇慒AAD2錛岀劧鍚庡湪緙栬瘧FAAC銆傛湁涓厛鍚庨『搴忕殑***

//////////////////////////FAAD2鐨勭紪璇慭\\\\\\\\\\\\\\\\\\\\\\\\\\\
tar zxvf  faad2-2.5.tar.gz
cd faad2
鍦ㄧ紪璇慒AAD2鏃跺彲鑳藉嚭鐜扮殑閿欒錛屽弬鐓т綘鐨勯敊璇幇璞″幓淇敼

閿欒鐜拌薄錛?/p>

cd faad2
[root@TServer faad2]# autoreconf  -ivf
autoreconf: Entering directory `.'
autoreconf: configure.in: not using Gettext
autoreconf: running: aclocal --force
autoreconf: configure.in: tracing
autoreconf: running: libtoolize --copy --force
autoreconf: running: /usr/bin/autoconf --force
autoreconf: running: /usr/bin/autoheader --force
autoreconf: running: automake --add-missing --copy --force-missing
configure.in: installing `./install-sh'
configure.in: installing `./missing'
common/mp4ff/Makefile.am: installing `./compile'
common/mp4ff/Makefile.am: installing `./depcomp'
plugins/Makefile.am:12: required directory plugins/bmp does not exist
plugins/xmms/src/Makefile.am:2: libdir was already defined in condition TRUE, which includes condition HAVE_BMP ...
configure.in:10: ... `libdir' previously defined here
plugins/xmms/src/Makefile.am:8: libdir was already defined in condition TRUE, which includes condition !HAVE_BMP ...
configure.in:10: ... `libdir' previously defined here
Makefile.am: installing `./INSTALL'
autoreconf: automake failed with exit status: 1

瑙e喅鏂規錛?br>鍙鎶夿MP鐩稿叧鐨勭紪璇戞潯浠訛紙涓鑸兘鏄互if-else褰㈠紡瀛樺湪鐨勶紝娉ㄦ剰瑕佹妸鏁翠釜鍧楅兘鍒犻櫎錛夐兘remove錛屽氨濂戒簡銆?br>鎿嶄綔濡備笅錛?br>[root@TServer faad2]# cd plugins/
[root@TServer plugins]# grep -lr BMP *
Makefile.am
xmms/src/libmp4.c
xmms/src/Makefile.am
[root@TServer plugins]# vi Makefile.am
if HAVE_MPEG4IP_PLUG
if HAVE_XMMS
SUBDIRS = xmms mpeg4ip
else
SUBDIRS = mpeg4ip
endif #HAVE_XMMS
else
if HAVE_XMMS
SUBDIRS = xmms
else
SUBDIRS =
endif #HAVE_XMMS
endif #HAVE_MPEG4IP_PLUG
~
~
~
~
~
~
~
"Makefile.am" [dos] 13L, 200C 宸插啓鍏?nbsp;                       
[root@TServer plugins]# grep -lr BMP *
xmms/src/libmp4.c
xmms/src/Makefile.am
[root@TServer plugins]# vi xmms/src/libmp4.c
/*
 * MP4/AAC decoder for xmms
 *
 * OPTIONNAL need
 * --------------
 * libid3 (3.8.x - www.id3.org)
*/

#include <pthread.h>
#include <gtk/gtk.h>
#include <stdio.h>
#include <string.h>

#include "neaacdec.h"
#include "mp4ff.h"

#define MP4_DESCRIPTION "MP4 & MPEG2/4-AAC audio player - 1.2.x"
#define MP4_VERSION     "ver. 0.5-faad2-version - 22 August 2004"
#define MP4_ABOUT       "Written by ciberfred"
#define BUFFER_SIZE     FAAD_MIN_STREAMSIZE*64

static void     mp4_init(void);
static void     mp4_about(void);
static void     mp4_play(char *);
static void     mp4_stop(void);
"xmms/src/libmp4.c" [dos] 574L, 15762C 宸插啓鍏?br>[root@TServer plugins]# ls
in_mp4  Makefile.am  mpeg4ip  QCD  QCDMp4  xmms
[root@TServer plugins]# grep -lr BMP *
xmms/src/Makefile.am
[root@TServer plugins]# vi xmms/src/Makefile.am
if HAVE_BMP
libdir=$(shell pkg-config --variable=input-plugin-dir bmp)
local_CFLAGS=$(shell pkg-config --cflags bmp)
local_LDFLAGS=$(shell pkg-config --libs bmp)
else
local_CFLAGS=`$(XMMS_CONFIG) --cflags` -Wall
local_LDFLAGS=`$(XMMS_CONFIG) --libs`
libdir = `$(XMMS_CONFIG) --input-plugin-dir`
endif #HAVE_BMP
lib_LTLIBRARIES = libmp4.la

libmp4_la_CFLAGS = $(local_CFLAGS) -Wall \
       -I$(top_srcdir)/include -I$(top_srcdir)/common/mp4ff

libmp4_la_LIBADD = $(top_builddir)/libfaad/libfaad.la \
       $(top_builddir)/common/mp4ff/libmp4ff.la

libmp4_la_LDFLAGS = -module -avoid-version $(local_LDFLAGS) -lpthread

libmp4_la_SOURCES = libmp4.c mp4_utils.c aac_utils.c
~
~
"xmms/src/Makefile.am" [dos] 11L, 373C 宸插啓鍏?br>[root@TServer plugins]# cd ..
[root@TServer faad2]# grep -lr BMP *
configure.in
[root@TServer faad2]# vi configure.in
  AM_CONDITIONAL([HAVE_BMP], true)
fi

if test x$WITHDRM = xyes; then
  AC_DEFINE(DRM, 1, [Define if you want to use libfaad together with Digital Radio Mondiale (DRM)])
  AC_DEFINE(DRM_PS, 1, [Define if you want support for Digital Radio Mondiale (DRM) parametric stereo])
fi

AC_CONFIG_FILES(libfaad/Makefile)
AC_CONFIG_FILES(common/Makefile)
AC_CONFIG_FILES(common/mp4ff/Makefile)
AC_CONFIG_FILES(plugins/Makefile)
AC_CONFIG_FILES(plugins/xmms/Makefile)
AC_CONFIG_FILES(plugins/xmms/src/Makefile)
AC_CONFIG_FILES(plugins/mpeg4ip/Makefile)
AC_CONFIG_FILES(faad2.spec)
AC_CONFIG_FILES(frontend/Makefile)
AC_CONFIG_FILES(Makefile)
宸叉煡鎵懼埌鏂囦歡緇撳熬錛涘啀浠庡紑澶寸戶緇煡鎵?br>AC_PROG_MAKE_SET
AC_CHECK_PROGS(RPMBUILD, rpmbuild, rpm)

AM_CONFIG_HEADER(config.h)

AC_ARG_WITH(xmms,[  --with-xmms             compile XMMS-1 plugin],
             WITHXMMS=$withval, WITHXMMS=no)


AC_ARG_WITH(drm,[  --with-drm              compile libfaad with DRM support],
             WITHDRM=$withval, WITHDRM=no)

AC_ARG_WITH(mpeg4ip, [  --with-mpeg4ip          compile mpeg4ip plugin],
                     WITHMPEG4IP=$withval, WITHMPEG4IP=no)

dnl Checks for header files required for mp4.h
AC_HEADER_STDC
AC_CHECK_HEADERS(stdint.h inttypes.h)
AC_CHECK_HEADERS(mathf.h)
AC_CHECK_HEADERS(float.h)
/BMP                                                        
  fi

  AM_CONDITIONAL(HAVE_XMMS, true)
else
 AC_MSG_NOTICE(no xmms build configured)
 AM_CONDITIONAL(HAVE_XMMS, false)
fi

if test x$WITHDRM = xyes; then
  AC_DEFINE(DRM, 1, [Define if you want to use libfaad together with Digital Radio Mondiale (DRM)])
  AC_DEFINE(DRM_PS, 1, [Define if you want support for Digital Radio Mondiale (DRM) parametric stereo])
fi
AC_CONFIG_FILES(libfaad/Makefile)AC_CONFIG_FILES(common/Makefile)AC_CONFIG_FILES(common/mp4ff/Makefile)AC_CONFIG_FILES(plugins/Makefile)
AC_CONFIG_FILES(plugins/xmms/Makefile)
"configure.in" [dos] 131L, 3776C 宸插啓鍏?br>[root@TServer faad2]# grep -lr BMP *
[root@TServer faad2]# ls
aacDECdrop  common        faad2.spec.in    libfaad      README
AUTHORS     configure.in  frontend         Makefile.am  README.linux
bootstrap   COPYING       include          NEWS         TODO
ChangeLog   docs          in_mpeg4aac.nsi  plugins
[root@TServer faad2]# autoreconf -vir
/usr/bin/autoreconf: unrecognized option `-r'
Try `/usr/bin/autoreconf --help' for more information.
[root@TServer faad2]# autoreconf -vif
autoreconf: Entering directory `.'
autoreconf: configure.in: not using Gettext
autoreconf: running: aclocal --force
autoreconf: configure.in: tracing
autoreconf: running: libtoolize --copy --force
autoreconf: running: /usr/bin/autoconf --force
autoreconf: running: /usr/bin/autoheader --force
autoreconf: running: automake --add-missing --copy --force-missing
configure.in: installing `./install-sh'
configure.in: installing `./missing'
common/mp4ff/Makefile.am: installing `./compile'
common/mp4ff/Makefile.am: installing `./depcomp'
Makefile.am: installing `./INSTALL'
autoreconf: Leaving directory `.'

cd faad2
autoreconf -vif
./configure --prefix=/usr --with-mp4v2 --enable-shared
make
make install

////////////////faac鐨勭紪璇慭\\\\\\\\\\\\\\\\\\\\\\\

cd faac
faac-1.25錛屾湁涓や釜鍦版柟闇瑕佷慨鏀癸紝涓鏄痬4 macro鏂囦歡錛屽彟澶栦竴涓槸闇瑕佸鏂囦歡鐨勬牸寮忓強鏉冮檺浣滀竴涓嬪鐞?
閿欒鐜拌薄 1錛?br>[root@TServer faac]# autoreconf -vif
autoreconf: Entering directory `.'
autoreconf: configure.in: not using Gettext
autoreconf: running: aclocal --force
configure.in:10: warning: underquoted definition of MY_DEFINE
  run info '(automake)Extending aclocal'
  or see http://sources.redhat.com/automake/automake.html#Extending-aclocal
autoreconf: configure.in: tracing
autoreconf: running: libtoolize --copy --force
configure.in:10: warning: underquoted definition of MY_DEFINE
  run info '(automake)Extending aclocal'
  or see http://sources.redhat.com/automake/automake.html#Extending-aclocal
autoreconf: running: /usr/bin/autoconf --force
autoreconf: running: /usr/bin/autoheader --force
autoreconf: running: automake --add-missing --copy --force-missing
autoreconf: Leaving directory `.'
[root@TServer faac]# grep MY_DEFINE *
configure.in:AC_DEFUN(MY_DEFINE, [ AC_DEFINE($1, 1, [define if needed]) ])
configure.in:AC_CHECK_DECL(strcasecmp, MY_DEFINE(HAVE_STRCASECMP))
configure.in:     MY_DEFINE(HAVE_LIBMP4V2)
configure.in:AC_CHECK_DECL(strchr, MY_DEFINE(HAVE_STRCHR))
configure.in:AC_CHECK_DECL(memcpy, MY_DEFINE(HAVE_MEMCPY))
configure.in:AC_CHECK_DECL(strsep, MY_DEFINE(HAVE_STRSEP))


瑙e喅鏂規1錛?br>[root@TServer faac]# grep MY_DEFINE *
configure.in:AC_DEFUN(MY_DEFINE, [ AC_DEFINE($1, 1, [define if needed]) ])
configure.in:AC_CHECK_DECL(strcasecmp, MY_DEFINE(HAVE_STRCASECMP))
configure.in:     MY_DEFINE(HAVE_LIBMP4V2)
configure.in:AC_CHECK_DECL(strchr, MY_DEFINE(HAVE_STRCHR))
configure.in:AC_CHECK_DECL(memcpy, MY_DEFINE(HAVE_MEMCPY))
configure.in:AC_CHECK_DECL(strsep, MY_DEFINE(HAVE_STRSEP))

鎶奵onfigure.in鏂囦歡涓殑AC_DEFUN(MY_DEFINE, [ AC_DEFINE($1, 1, [define if needed]) ])
淇敼涓?AC_DEFUN([MY_DEFINE], [ AC_DEFINE($1, 1, [define if needed]) ])
鐒跺悗灝卞彲浠utoreconf -ivf浜嗐?/p>

閿欒鐜拌薄2錛?br>./configure鐨勬椂鍊欙紝浼氬嚭鐜頒互涓嬮敊璇細
configure: creating ./config.status
config.status: creating common/Makefile
config.status: creating common/mp4v2/Makefile
config.status: creating \
.infig.status: error: cannot find input file: \


榪欎釜闂鏄枃浠剁殑鏍煎紡闂閫犳垚鐨勶紝鍙互鐢ㄤ竴涓嬫柟娉曞鐞嗭細
[root@TServer faac]#find . -type f | xargs dos2unix

[root@TServer faac]#chmod * 777 -R

澶勭悊涔嬪悗錛屽氨鍙互瀹夎浜嗐?br> 
chmod +x bootstrap
./bootstrap
./configure --prefix=/usr --with-mp4v2 --enable-shared
make
make install

7.鏀寔3gp鏍煎紡錛岃繖涔熸槸鐜板湪濂藉鎵嬫満鏀寔鐨勬牸寮忥紝鎵浠ヤ篃寰楁敮鎸佺紪璇?/p>

緙栬瘧鐨勬椂鍊欏姞涓?-enable-amr_nb --enable-amr_wb鍙傛暟灝辮錛屾牴鎹紪璇戠郴緇熺殑鎻愮ず錛屾墍浠ユ垜浠緱涓嬭澆涓

浜涚紪璇?gp鎵闇寰楁枃浠躲?br>鍏堝湪ffmpeg-0.4.9-p20051120/libavcoder/寤轟笁涓洰褰?br>mkdir -p amr
mkdir -p amr_float
mkdir -p amrwb_float

涓嬭澆http://www.3gpp.org/ftp/Specs/archive/26_series/26.204/26073-530_ANSI_C_source_code.zip
瑙e帇浠ュ悗鎶婇噷闈㈢殑鏂囦歡閮芥嫹璐濆埌libavcodec/amr

涓嬭澆http://www.3gpp.org/ftp/Specs/archive/26_series/26.204/26204-530_ANSI-C_source_code.zip
瑙e帇浠ュ悗鎶婇噷闈㈢殑鏂囦歡閮芥嫹璐濆埌libavcodec/amrwb_float

涓嬭澆http://www.3gpp.org/ftp/Specs/archive/26_series/26.104/26104-540_ANSI_C_source_code.zip
瑙e帇浠ュ悗鎶婇噷闈㈢殑鏂囦歡閮芥嫹璐濆埌libavcodec/amr_float

淇敼libavcodec/amr/makefile 鎵懼埌CFLAGS = -Wall -pedantic-errors -I. $(CFLAGS_$(MODE)) -D$(VAD) 鎹㈡垚CFLAGS = -Wall -I. $(CFLAGS_$(MODE)) -D$(VAD) -DMMS_IO


8.緙栬瘧ffmpeg-0.4.9-p20051120
tar xvf ffmpeg-0.4.9-p20051120.tar
cd ffmpeg-0.4.9-p20051120
./configure --prefix=/usr --enable-gpl --enable-shared --enable-mp3lame --enable-amr_nb --enable-amr_nb-fixed --enable-amr_wb --enable-amr_if2 --enable-libogg --enable-vorbis --enable-xvid --enable-a52 --enable-a52bin --enable-dts --enable-pp --enable-faad --enable-faadbin --enable-faac --enable-x264 --enable-pthreads --disable-ffserver --disable-ffplay --cpu=CPU
make
make install


灝忎慨姝d竴涓嬶紝濡傛灉涓婇潰鐨刢onfigure涓嶈錛屽湪鎴戠殑鏈哄櫒涓婂緱榪欐牱錛屽彲鑳界敱浜庣増鏈殑鍏崇郴錛?br>./configure --enable-gpl --enable-nonfree --enable-pthreads --enable-libfaac --enable-libfaad --enable-libmp3lame  --enable-libx264 --enable-libxvid --enable-x11grab --prefix=/usr --enable-shared

琛ュ厖1錛?br>瑕佹槸璇村湪褰撳湪cpu鏄痻86鐨勬儏鍐典笅錛屼笉鑳界紪璇戣繃鍘伙紝濡傛灉浣犵湡緙栬瘧涓嶈繃鍘伙紝鍙互璇曠潃鍔犱笂--cpu=CPU

琛ュ厖2錛?br>褰撻亣鍒扮紪璇慺fmpeg鍑洪敊鏃訛紝鎵懼埌vi ffmpeg/libavcodec/x264.c鍒犻櫎x4->params.rc.b_cbr = 1;榪欎竴琛?/p>

鍒版錛屼竴涓猣fmpeg緙栬瘧濂戒簡錛屼笉榪囩洰鍓嶇鏂圭殑ffmpeg榪樹笉鏀寔wma9鍜宺mvb錛屼笉榪囩綉涓婃湁寰堝瑙e喅鏂規硶銆?/p>

ffmpeg鐨勮漿鎹㈠弬鏁幫細
ffmpeg -y -i test.mpeg -ac 1 -acodec amr_nb -ar 8000 -s 320x240 -b 128 -r 15 test.3gp


*************************mencoder鐨勭紪璇?*******************************

mencoder瀹夎綃?/p>

1銆佷笅杞戒富紼嬪簭錛?MPlayer-1.0rc1.tar.bz2

2銆佷笅杞絜ssential-20061022.tar.bz2錛屽畨瑁咃細
tar vjxf essential-20061022.tar.bz2
mv essential-20061022 /usr/lib/codes
chmod 644 /usr/lib/codes/*
chown root.root /usr/lib/codes/*

3銆佷笅杞絯indows-essential-20061022.zip錛屽畨瑁咃細
unzip windows-essential-20061022.zip
mv windows-essential-20061022 /usr/lib/wincodes
chmod 644 /usr/lib/wincodes/*
chown root.root /usr/lib/wincodes/*

4銆佸畨瑁卪player

tar vjxf MPlayer-1.0rc1.tar.bz2
cd MPlayer-1.0rc1
./configure --prefix=/usr  --with-codecsdir=/usr/lib/codecs/   --language=zh_CN
make
make install
濡傛灉浣犻渶瑕佷嬌鐢╩player鍦╨inux涓嬫挱鏀捐棰戯紝榪橀渶瑕佸姞涓?-enable-gui(鍥懼艦鐣岄潰)錛屼笉榪囪繖鏍峰氨瑕佸畨瑁呭寰堝涓滆タ浜嗭紝榪欓噷鎴戜滑鍙嬌鐢ㄥ畠鐨刴encoder錛屾墍浠?-enable-gui鍙互鐪佺暐


mencoder鐨勯厤緗弬鏁幫細
./configure --prefix=/usr  --with-codecsdir=/usr/lib/codecs/     --language=zh_CN


mencoder杞崲鍙傛暟錛?br>mencoder /var/www/woyo/image.woyo.com/%inputfile% -o /var/www/woyo/image.woyo.com/%outputfile%   -of lavf -oac mp3lame -lameopts abr:br=56 -ovc lavc -lavcopts vcodec=flv:vbitrate=300:mbd=2:last_pred=3:dia=2:cmp=3:vb_strategy=1 -sws 3 -vf scale=400:300  -ofps 30 -srate 22050 -lavfopts i_certify_that_my_video_stream_does_not_use_b_frames



鍙跺瓙 2009-08-03 14:30 鍙戣〃璇勮
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TR101-290: DVB 緋葷粺嫻嬮噺鏍囧噯http://www.shnenglu.com/elva/archive/2009/06/17/87859.html鍙跺瓙鍙跺瓙Wed, 17 Jun 2009 02:24:00 GMThttp://www.shnenglu.com/elva/archive/2009/06/17/87859.htmlhttp://www.shnenglu.com/elva/comments/87859.htmlhttp://www.shnenglu.com/elva/archive/2009/06/17/87859.html#Feedback0http://www.shnenglu.com/elva/comments/commentRss/87859.htmlhttp://www.shnenglu.com/elva/services/trackbacks/87859.htmlTR101-290: DVB 緋葷粺嫻嬮噺鏍囧噯
TR101-290: DVB 緋葷粺嫻嬮噺鏍囧噯銆俆R 101-290 瀹氫箟鐨勪笁涓紭鍏堢駭錛屾槸鐮佹祦鐩戞祴鐨勪竴欏逛富瑕佸唴瀹廣傞氳繃榪欎笁涓紭鍏堢駭鐨勭洃嫻嬶紝鍙互媯楠岃鐩戞祴鐨勭爜嫻佹槸鍚︾鍚圡PEG-2 鍜孌VB鏍囧噯銆傝繖涓変釜浼樺厛綰ч兘鍖呭惈璁稿涓嶅悓鐨勫弬鏁般?br>
PSI/SI: 鏁板瓧鐢佃涓氬姟淇℃伅,鐢盤SI鍜孲I涓ら儴鍒嗘瀯鎴愩侾SI鏄疢PEG-2瑙勫畾鐨勶紝瀹冪敱PAT銆丳MT銆丆AT鍜孨IT 4涓〃鏋勬垚錛屽叾涓璓AT銆丳MT琛ㄦ渶涓洪噸瑕併係I鏄疍VB鏍囧噯瑙勫畾鐨勶紝瀹冪敱BAT銆丼DT銆丒IT銆丷ST銆乀DT銆乀OT銆丼T銆丼IT鍜孌IT 9涓〃鏋勬垚錛屽叾涓?BAT銆丼DT銆丒IT 鍜?TDT 鏄己鍒舵х殑銆侾SI/SI 鐢?#8220;琛?#8221;鍜?#8220;鎻忚堪絎?#8221;鏋勬垚銆傝〃鏄疨SI/SI 鐨勫熀鏈粨鏋勶紝閽堝鐗瑰畾鐢ㄩ旓紝PSI/SI 涓瀹氫簡涓緋誨垪琛ㄦ潵瀹炵幇瀹冿紱琛ㄧ敱鍙橀噺鍜屾弿榪扮緇勬垚銆傛弿榪扮鎻愪緵浜嗘洿澶氱殑鎻忚堪鍔熻兘銆?br>
鏄熷駭鍥? 鏄熷駭鏄劇ず鏄煝閲忕ず娉㈠櫒鏄劇ず鐨勬暟瀛楃瓑浠峰艦寮忥紝瀹冨彲鏄劇ず QAM 淇″彿鐨勫悓鐩?I)鍒嗛噺鍜屾浜?Q)鍒嗛噺銆傜鍙鋒槸涓涓壒瀹氳皟鍒剁郴緇熶腑鎵浼犺緭鐨勬渶灝忎俊鎭垚鍒嗐傚浜?QAM-64錛屼竴涓鍙蜂唬琛?6 涓綅錛屽湪鍥句笂緇樺埗涓轟竴涓偣銆?br>
BER浣嶈鐮佺巼:浣嶈鐮佺巼鏄彂鐢熻鐮佺殑浣嶆暟涓庝紶杈撶殑鎬諱綅鏁頒箣姣斻?br>
MER:璋冨埗璇樊姣? MER 灝嗘帴鏀剁鍙?浠h〃璋冨埗鍥炬涓殑涓涓暟瀛楀?鐨勫疄闄呬綅緗笌鍏剁悊鎯充綅緗繘琛屾瘮杈冦傚綋淇″彿璐ㄩ噺闄嶄綆鏃訛紝鎺ユ敹絎﹀彿璺濈鐞嗘兂浣嶇疆鏇磋繙錛孧ER 嫻嬮噺鍊煎皢浼氬噺灝忋?br>
EVM:璇樊鐭㈤噺騫呭害, EVM嫻嬮噺綾諱技浜?MER錛屼絾琛ㄨ揪褰㈠紡涓嶅悓銆侲VM 琛ㄨ揪涓?RMS 璇樊鐭㈤噺騫呭害涓庢渶澶х鍙峰箙搴︾殑鐧懼垎姣斿箋備俊鍙風己闄峰鍔犳椂錛孍VM 灝嗕細澧炲ぇ錛岃?MER 鍒欎細鍑忓皬銆侲VM 鏄湪IQ(鍚岀浉涓庢浜?鏄熷駭鍥句笂媯嫻嬪埌鐨勮澆娉笌鍏剁悊璁轟笂鐨勫噯紜綅緗箣闂寸殑璺濈錛屾槸“璇樊淇″彿鐭㈤噺”涓?#8220;鏈澶т俊鍙峰箙搴?#8221;涔嬫瘮錛岃〃杈句負 RMS 鐧懼垎姣斿箋?br>
RS閿欒:琛ㄧず緇忚繃Reed Solomon綰犻敊錛堢畝縐癛S錛夊悗錛屽嚭鐜伴敊璇痓it鐨勫寘鏁?銆?br>
棰戠巼鍋忕Щ:瀹為檯涓績棰戠巼鍜岀悊璁轟腑蹇冮鐜囩殑鍋忕Щ銆?br>
SR鍋忕Щ:瀹為檯絎︾爜鐜囧拰鐞嗚絎︾爜鐜囩殑鍋忕Щ銆?br>
棰戦亾IQ鍙嶈漿:鏄熷駭鍥綢Q鍚戦噺鏄惁鍙嶈漿銆?br>鏍規嵁DVB鏈鏂扮殑TR101290嫻嬭瘯鏍囧噯灝咲VB/MPEG-2 TS嫻佺殑嫻嬭瘯閿欒鎸囩ず鍒嗕負3涓瓑綰э紝
絎竴絳夌駭鏄彲姝g‘瑙g爜鎵蹇呴』鐨勫嚑涓弬鏁幫紱
絎簩絳夌駭鏄揪鍒板悓姝ュ悗鍙繛緇伐浣滃繀欏葷殑鍙傛暟鍜岄渶瑕佸懆鏈熺洃嫻嬬殑鍙傛暟錛?br>絎笁絳夌駭鏄緷璧栦簬搴旂敤鐨勫嚑涓弬鏁?br>
絎竴綰у叡 6縐嶉敊璇紝鍖呮嫭錛氬悓姝ヤ涪澶遍敊璇佸悓姝ュ瓧鑺傞敊璇丳AT 閿欒銆佽繛緇鏁伴敊璇丳MT閿欒鍙?PID閿欒銆?br>
錛?錛変紶閫佺爜嫻佸悓姝ヤ涪澶憋細榪炵畫媯嫻嬪埌榪炵畫 5 涓甯稿悓姝ヨ涓哄悓姝ワ紝榪炵畫媯嫻嬪埌 2 涓互涓婁笉姝g‘鍚屾鍒欎負鍚屾涓㈠け閿欒銆備紶杈撴祦澶卞幓鍚屾錛屾爣蹇楃潃浼犺緭榪囩▼涓細鏈変竴閮ㄥ垎鏁版嵁涓㈠け錛岀洿鎺ュ獎鍝嶈В鐮佸悗鐨勭敾闈㈢殑璐ㄩ噺銆?br>
錛?錛夊悓姝ュ瓧鑺傞敊璇細鍚屾瀛楄妭鍊間笉鏄?0X47銆傚悓姝ュ瓧鑺傞敊璇拰鍚屾涓㈠け閿欒鐨勫尯鍒湪浜庡悓姝ュ瓧鑺傞敊璇紶杈撴暟鎹粛鏄?188鎴?204 鍖呴暱錛屼絾鍚屾瀛楀ご鐨?0X47琚叾浠栨暟瀛椾唬鏇褲傝繖琛ㄦ槑浼犺緭鐨勯儴鍒嗘暟鎹湁閿欒錛屼弗閲嶆椂浼氬鑷磋В鐮佸櫒瑙d笉鍑轟俊鍙楓?br>
錛?錛塒AT 閿欒錛氭爣璇嗚妭鐩浉鍏寵〃 PAT 鐨?PID 涓?0x0000錛孭AT 閿欒鍖呮嫭鏍囪瘑 PAT 鐨?PID 娌℃湁鑷沖皯 0.5 s鍑虹幇涓嬈★紝鎴栬?PID涓?0x0000 鐨勫寘涓棤鍐呭錛屾垨鑰?PID涓?0x0000 鐨勫寘鐨勫寘澶翠腑鐨勫姞瀵嗘帶鍒舵涓嶄負 0銆侾AT 涓㈠け鎴栬鍔犲瘑錛屽垯瑙g爜鍣ㄦ棤娉曟悳绱㈠埌鐩稿簲鑺傜洰錛汸AT 瓚呮椂錛岃В鐮佸櫒宸ヤ綔鏃墮棿寤躲?nbsp;                                                                              
錛?錛夎繛緇鏁伴敊璇細TS鍖呭ご涓殑榪炵畫璁℃暟鍣ㄦ槸涓轟簡闅忕潃姣忎釜鍏鋒湁鐩稿悓 PID鐨?TS鍖呯殑澧炲姞鑰屽鍔狅紝涓鴻В鐮佸櫒紜畾姝g‘鐨勮В鐮侀『搴忋俆S鍖呭ご榪炵畫璁℃暟涓嶆紜紝琛ㄦ槑褰撳墠浼犺緭嫻佹湁涓㈠寘銆佸寘閲嶅彔銆佸寘欏哄簭閿欑幇璞★紝浼氬鑷磋В鐮佸櫒涓嶈兘姝g‘瑙g爜銆?br>
錛?錛塒MT 閿欒錛氳妭鐩槧灝勮〃 PMT 鏍囪瘑騫舵寚紺轟簡緇勬垚姣忚礬涓氬姟鐨勬祦鐨勪綅緗紝鍙婃瘡璺笟鍔$殑鑺傜洰鏃墮挓鍙傝冿紙PCR錛夊瓧孌電殑浣嶇疆銆侾MT 閿欒鍖呮嫭鏍囪瘑 PMT 鐨?PID 娌℃湁杈懼埌鑷沖皯 0.5 s 鍑虹幇涓嬈★紝鎴栬呮墍鏈夊寘鍚玃MT 琛ㄧ殑 PID鐨勫寘鐨勫寘澶翠腑鐨勫姞瀵嗘帶鍒舵涓嶄負 0銆侾MT 琚姞瀵嗭紝鍒欒В鐮佸櫒鏃犳硶鎼滅儲鍒扮浉搴旇妭鐩紱PMT 瓚呮椂錛屽獎鍝嶈В鐮佸櫒鍒囨崲鑺傜洰鏃墮棿銆?br>
錛?錛塒ID閿欒錛氭鏌ユ槸鍚︽瘡涓涓?PID閮芥湁鐮佹祦錛屾病鏈?PID灝變笉鑳藉畬鎴愯璺笟鍔$殑瑙g爜銆?br>
絎簩綰у叡 6 縐嶉敊璇紝鍖呮嫭錛氫紶杈撻敊璇丆RC 閿欒銆丳CR 闂撮殧閿欒銆丳CR 鎶栧姩閿欒銆丳TS 閿欒鍙奀AT 閿欒銆?nbsp;                                                                
錛?錛変紶杈撻敊璇細TS鍖呭ご涓殑浼犻佸寘閿欒鎸囩ず涓?#8220;1”錛岃〃紺哄湪鐩稿叧鐨勪紶閫佸寘涓嚦灝戞湁 1 涓笉鍙籂姝g殑閿欒浣嶏紝鍙湁鍦ㄩ敊璇綰犳涔嬪悗錛岃浣嶆墠鑳借閲嶆柊緗?0銆傝屼竴鏃︽湁浼犻佸寘閿欙紝灝變笉鍐嶄粠閿欏寘涓緱鍑哄叾浠栭敊璇寚紺恒?br>
錛?錛塁RC 閿欒錛氬湪 PSI鍜?SI鐨勫悇縐嶈〃涓嚭鐜板驚鐜啑浣欐嫻嬬爜 CRC 鍑洪敊錛岃鏄庤繖浜涜〃涓殑淇℃伅鏈夐敊錛岃繖鏃朵笉鍐嶄粠鍑虹幇閿欒鐨勮〃涓緱鍑哄叾浠栭敊璇俊鎭?br>
錛?錛塒CR 闂撮殧閿欒錛歅CR 鐢ㄤ簬鎭㈠鎺ユ敹绔В鐮佹湰鍦扮殑 27 MHz 緋葷粺鏃墮挓錛屽鏋滃湪娌℃湁鐗瑰埆鎸囨槑鐨勬儏鍐典笅錛孭CR 涓嶈繛緇彂閫佹椂闂翠竴嬈¤秴榪?100 ms 鎴?PCR 鏁翠釜鍙戦侀棿闅旇秴榪?40 ms錛屽垯瀵艱嚧鎺ユ敹绔椂閽熸姈鍔ㄦ垨鑰呮紓縐伙紝褰卞搷鐢婚潰鏄劇ず鏃墮棿銆?br>
錛?錛塒CR 鎶栧姩閿欒錛歅CR 鐨勭簿搴﹀繀欏婚珮浜?500 ns 鎴?PCR 鎶栧姩閲忎笉寰楀ぇ浜?#177;500 ns銆侾CR鎶栧姩榪囧ぇ錛屼細褰卞搷鍒拌В鐮佹椂閽熸姈鍔ㄧ敋鑷沖け閿併?br>
錛?錛塒TS閿欒錛氭挱鍑烘椂闂存爣璁?PTS閲嶅鍙戦佹椂闂村ぇ浜?70 ms錛屽垯瀵瑰撫鍥懼儚姝g‘鏄劇ず浜х敓褰卞搷銆侾TS鍙湁鍦?TS鏈姞鎵版椂鏂硅兘鎺ユ敹銆?br>
錛?錛塁AT 閿欒錛歍S 鍖呭ご涓殑鍔犲瘑鎺у埗孌典笉涓?0錛屼絾鍗存病鏈夌浉搴旂殑 PID 涓?0x0001 鐨勬潯浠舵帴鏀惰〃 CAT錛屾垨鍦?PID 涓?0x0001 鐨勫寘涓彂鐜伴潪 CAT 琛ㄣ侰AT 琛ㄥ皢鎸囧嚭鎺堟潈綆$悊淇℃伅 EMM鍖呯殑 PID騫舵帶鍒舵帴鏀舵満鐨勬紜帴鏀訛紝濡傛灉 CAT琛ㄤ笉姝g‘錛屽氨涓嶈兘姝g‘鎺ユ敹銆?br>

絎笁綰у叡 10縐嶉敊璇紝鍖呮嫭錛歂IT 閿欒銆丼I閲嶅鐜囬敊璇佺紦鍐插櫒閿欒銆侀潪鎸囧畾 PID閿欒銆丼DT閿欒銆丒IT 閿欒銆丷ST 閿欒銆乀DT 閿欒銆佺┖緙撳啿鍣ㄩ敊璇強鏁版嵁寤惰繜閿欒銆?br>
絎笁絳夌駭閿欒騫墮潪鏄疶S浼犺緭嫻佺殑鑷村懡閿欒錛屼絾浼氬獎鍝嶄竴浜涘叿浣撳簲鐢ㄧ殑姝g‘瀹炴柦銆?br>
NIT 鏍囪瘑閿欒鎴栦紶杈撹秴鏃訛紝浼氬鑷磋В鐮佸櫒鏃犳硶姝g‘鏄劇ず緗戠粶鐘舵佷俊鎭?br>
SDT 鏍囪瘑閿欒鎴栦紶杈撹秴鏃訛紝浼氬鑷磋В鐮佸櫒鏃犳硶姝g‘鏄劇ず淇¢亾鑺傜洰鐨勪俊鎭?br>
EIT 鏍囪瘑閿欒鎴栦紶杈撹秴鏃訛紝浼氬鑷磋В鐮佸櫒鏃犳硶姝g‘鏄劇ず姣忓鑺傜洰鐨勭浉鍏蟲湇鍔′俊鎭?/span>

鍙跺瓙 2009-06-17 10:24 鍙戣〃璇勮
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[杞琞 MPEG-2鐮佹祦緇撴瀯http://www.shnenglu.com/elva/archive/2009/03/05/75653.html鍙跺瓙鍙跺瓙Thu, 05 Mar 2009 09:15:00 GMThttp://www.shnenglu.com/elva/archive/2009/03/05/75653.htmlhttp://www.shnenglu.com/elva/comments/75653.htmlhttp://www.shnenglu.com/elva/archive/2009/03/05/75653.html#Feedback0http://www.shnenglu.com/elva/comments/commentRss/75653.htmlhttp://www.shnenglu.com/elva/services/trackbacks/75653.html鍦≒ES灞傦紝涓昏鏄湪PES鍖呭ご淇℃伅涓姞鍏TS(鏄劇ず鏃墮棿鏍囩)鍜孌TS錛堣В鐮佹椂闂存爣絳撅級鐢ㄤ簬瑙嗛銆侀煶棰戝悓姝ャ傝屽湪TS嫻佷腑錛孴S鍖呭ご鍔犲叆浜哖CR(鑺傜洰鏃墮挓鍙傝?錛岀敤浜庤В鐮佸櫒鐨勭郴緇熸椂閽熸仮澶嶃傚湪鑺傜洰嫻丳S鍖呭ご涓姞鍏CR,瀹冪殑浣滅敤涓嶱CR鍩熺浉浼箋?br>    ES鏄紪鐮佽棰戞暟鎹祦鎴栭煶棰戞暟鎹祦錛屾瘡涓狤S閮界敱鑻ュ共涓瓨鍙栧崟鍏冿紙AU錛夌粍鎴愶紝姣忎釜瑙嗛AU鎴栭煶棰慉U閮芥槸鐢卞ご閮ㄥ拰緙栫爜鏁版嵁涓ら儴鍒嗙粍鎴愶紝1涓狝U鐩稿綋浜庣紪鐮佺殑1騫呰棰戝浘鍍忔垨1涓煶棰戝撫錛屼篃鍙互璇達紝姣忎釜AU瀹為檯涓婃槸緙栫爜鏁版嵁嫻佺殑鏄劇ず鍗曞厓錛屽嵆鐩稿綋浜庤В鐮佺殑1騫呰棰戝浘鍍忔垨1涓煶棰戝撫鐨勫彇鏍楓?br>    鎴戜滑鐭ラ亾錛孧PEG-2瀵硅棰戠殑鍘嬬緝浜х敓I甯с丳甯с丅甯с傛妸甯ч『搴廔1甯?P4甯?B2甯?B3甯?P7甯?B5甯?B6甯х殑緙栫爜ES錛岄氳繃鎵撳寘騫跺湪姣忎釜甯т腑鎻掑叆PTS/DTS鏍囧織錛屽彉鎴怭ES銆傚湪鎻掑叆PTS/DTS鏍囧織鏃訛紝鐢變簬鍦˙甯TS鍜孌TS鏄浉絳夌殑錛屾墍浠ユ棤欏誨湪B甯у鎻掑叆DTS銆傝屽浜嶪甯у拰P甯э紝鐢變簬緇忚繃澶嶇敤鍚庢暟鎹寘鐨勯『搴忎細鍙戠敓鍙樺寲錛屾樉紺哄墠涓瀹氳瀛樺偍浜庤棰戣В鐮佸櫒鐨勪粠鏂版帓搴忕紦瀛樺櫒涓紝緇忚繃浠庢柊鎺掑簭鍚庡啀鏄劇ず錛屾墍浠ヤ竴瀹氳鍚屾椂鎻掑叆PTS鍜孌TS浣滀負浠庢柊鎺掑簭鐨勪緷鎹備緥濡傦紝瑙g爜鍣ㄨ緭鍏ョ殑鍥懼儚甯ч『搴忎負I1-P4-B2-B3-P7-B5-B6錛屼絾鏄劇ず鏃禤4涓瀹氳鍦˙2銆丅3涔嬪悗錛屽湪PST鍜孌TS鐨勬寚寮曚笅錛岀粡榪囩紦瀛樺櫒浠庢柊鎺掑簭錛屼互浠庡緩瑙嗛甯ч『搴忎負錛欼1-B2-B3-P4- P7-B5-B6銆?br>    灝哖ES鍖呭啀鎵撴垚鏇村皬鐨勫叿鍥哄畾闀垮害鐨凾S鍖呮椂鍦ㄥ叾鍖呭ご浣嶇疆鍔犲叆浜哖CR鍜孭ID(鍖呮爣璇?銆侾ID鐨勫兼槸鐢辯敤鎴風‘瀹氱殑錛岃В鐮佸櫒鏍規嵁PID鎶奣S錛堝鑺傜洰浼犺緭嫻?涓婁笉鍚岃妭鐩殑TS鍖呭尯鍒嗗嚭鏉ワ紝浠ラ噸寤哄師鏉ョ殑ES銆傚彟澶栵紝TS鐨勫寘澶村寘鍚竴涓?bit鐨勮繛緇鏁板櫒錛岃繛緇鏁板櫒鍙PID鍖呬紶閫侀『搴忚鏁幫紝鎹鏁板櫒璇繪暟錛屾帴鏀剁鍙垽鏂槸鍚︽湁鍖呬涪澶卞強鍖呬紶閫侀『搴忛敊璇傛墍浠S鐨勫寘澶村叿鏈夊悓姝ャ佽瘑鍒佹閿欑瓑鍔熻兘銆?nbsp;

鍙跺瓙 2009-03-05 17:15 鍙戣〃璇勮
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[杞琞MPEG-2瑙嗛緙栫爜鎶鏈極璋?/title><link>http://www.shnenglu.com/elva/archive/2009/03/05/75652.html</link><dc:creator>鍙跺瓙</dc:creator><author>鍙跺瓙</author><pubDate>Thu, 05 Mar 2009 09:13:00 GMT</pubDate><guid>http://www.shnenglu.com/elva/archive/2009/03/05/75652.html</guid><wfw:comment>http://www.shnenglu.com/elva/comments/75652.html</wfw:comment><comments>http://www.shnenglu.com/elva/archive/2009/03/05/75652.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.shnenglu.com/elva/comments/commentRss/75652.html</wfw:commentRss><trackback:ping>http://www.shnenglu.com/elva/services/trackbacks/75652.html</trackback:ping><description><![CDATA[榪戝勾鏉ワ紝鐢佃棰嗗煙閲屽彂鐢熶簡涓緋誨垪宸ㄥぇ鐨勫彉鍖栵紝浼氳鐢佃銆乂CD銆佹暟瀛楃數瑙嗕互鍙婇珮娓呮櫚搴︾數瑙?HDTV)絳夋柊鎶鏈拰鏂扮郴緇熸榪呴熻蛋榪涙垜浠殑鐢熸椿銆備笌浼犵粺鐨勬ā鎷熺數瑙嗙浉姣旓紝榪欎簺鏂扮郴緇熺殑紿佸嚭鐗圭偣鏄噰鐢ㄤ簡鍏ㄦ暟瀛楃殑鍥懼儚/澹伴煶澶勭悊鎶鏈傞殢鐫榪欎簺鏁板瓧鐢佃緋葷粺鐨勬棩鐩婃垚鐔熷拰涓嶆柇鍙戝睍錛岄拡瀵逛笉鍚岀殑搴旂敤棰嗗煙錛屼竴緋誨垪鐩稿簲鐨勬暟瀛楄棰戦煶棰戠紪鐮佹爣鍑嗕篃榪呴熷湴琚埗瀹氬茍涓嶆柇寰楀埌瀹屽杽錛屽叾涓寘鎷細 搴旂敤浜庝細璁數瑙嗗強鍙鐢佃瘽鐨凥.261錛岀敤浜庨潤姝㈠浘鍍忓帇緙╃殑JPEG錛岀敤浜嶸CD鐨凪PEG-1鍜岀敤浜庡箍鎾數瑙嗐丏VD浠ュ強HDTV鐨凪PEG-2銆備笌姝ゅ悓鏃訛紝鏁板瓧婕旀挱瀹ゆ爣鍑嗗強鏁板瓧鐢佃鐨勮川閲忚瘎浠鋒爣鍑嗕篃琚埗瀹氬嚭鏉ャ備笌鍏跺畠鍑犵鏍囧噯鐩告瘮錛孧PEG-2鍒跺畾鐨勬椂闂寸◢鏅氾紝浣嗗嵈鍏鋒湁浠ヤ笅鍑犱釜紿佸嚭鐗圭偣錛氭墍鏀寔鐨勫浘鍍忓垎杈ㄧ巼鏈楂橈紝鍖呮嫭絎﹀悎ITU-RRec.601(CCIR601)鏍煎紡鐨勬爣鍑嗗垎杈ㄧ巼鐨勬暟瀛楃數瑙嗗拰鏇撮珮鍒嗚鯨鐜囩殑HDTV銆傛敮鎸佸寘鎷珮閫熶綋鑲茶繍鍔ㄥ湪鍐呯殑媧誨姩鍥懼儚銆傛墍鏀寔鐨勫簲鐢ㄦ渶涓哄箍娉涳紝鏃㈠寘鎷瓨鍌ㄥ獟浣撲腑鐨凞VD錛屽箍鎾數瑙嗕腑鐨勬暟瀛楀箍鎾數瑙嗗拰HDTV錛岃繕鍙簲鐢ㄤ簬浜や簰寮忕殑鐐規挱瑙嗛(VOD)鍜屽噯鐐規挱瑙嗛(NVOD)錛屾澶栵紝榪樿兘澶熼傞厤浜嶢TM榪欑鏂板叴鐨勫甯﹂氫俊緗戙?<br><br>鏈枃鐫閲嶄粙緇嶄竴涓婱PEG-2鐨勬爣鍑嗙粍鎴愮粨鏋勶紝婕旀挱瀹ゆ爣鍑嗭紝璐ㄩ噺璇勪環鏍囧噯錛岀壒鍒槸瑙嗛鍘嬬緝鎶鏈?<br><br>MPEG綆浠?<br>PEG鏄椿鍔ㄥ浘鍍忎笓瀹剁粍(MovingPictureExportsGroup)鐨勭緝鍐欙紝浜?988騫存垚绔嬨傜洰鍓峂PEG宸查甯冧簡涓や釜媧誨姩鍥懼儚鍙婂0闊崇紪鐮佺殑姝e紡鍥介檯鏍囧噯錛屽垎鍒О涓篗PEG-1鍜孧PEG-2銆?<br><br>MPEG-1鏍囧噯鏄細鍦ㄦ暟瀛楀瓨鍌ㄤ粙璐ㄤ腑瀹炵幇瀵規椿鍔ㄥ浘鍍忓拰澹伴煶鐨勫帇緙╃紪鐮侊紝緙栫爜鐮佺巼鏈楂樹負姣忕1.5鍏嗘瘮鐗癸紝鏍囧噯鐨勬寮忚鑼冨湪ISO/IEC11172涓侻PEG-1鎵鏀寔鐨勮緭鍏ュ浘鍍忔牸寮忔槸SIF鏍煎紡銆係IF鏈?25/625涓ょ鏍煎紡錛?52x240x30鍜?52x288x25銆侻PEG-1鏄竴涓紑鏀劇殑錛岀粺涓鐨勬爣鍑嗭紝鍦ㄥ晢涓氫笂鑾峰緱浜嗗法澶х殑鎴愬姛銆傚敖綆″叾鍥懼儚璐ㄩ噺浠呯浉褰撲簬VHS瑙嗛鐨勮川閲忥紝榪樹笉鑳芥弧瓚沖箍鎾駭鐨勮姹傦紝浣嗗凡騫挎硾搴旂敤浜嶸CD絳夊搴鍍忎駭鍝佷腑銆?<br><br>MPEG-2鏍囧噯鏄細閽堝鏍囧噯鏁板瓧鐢佃鍜岄珮娓呮櫚搴︾數瑙嗗湪鍚勭搴旂敤涓嬬殑鍘嬬緝鏂規鍜岀郴緇熷眰鐨勮緇嗚瀹氾紝緙栫爜鐮佺巼浠庢瘡縐?鍏嗘瘮鐗癸綖100鍏嗘瘮鐗癸紝鏍囧噯鐨勬寮忚鑼冨湪ISO/IEC13818涓侻PEG-2涓嶆槸MPEG-1鐨勭畝鍗曞崌綰э紝MPEG-2鍦ㄧ郴緇熷拰浼犻佹柟闈綔浜嗘洿鍔犺緇嗙殑瑙勫畾鍜岃繘涓姝ョ殑瀹屽杽銆侻PEG-2鐗瑰埆閫傜敤浜庡箍鎾駭鐨勬暟瀛楃數瑙嗙殑緙栫爜鍜屼紶閫侊紝琚瀹氫負SDTV鍜孒DTV鐨勭紪鐮佹爣鍑嗐侻PEG-2榪樹笓闂ㄨ瀹氫簡澶氳礬鑺傜洰鐨勫鍒嗘帴鏂瑰紡銆傛澶栵紝MPEG-2榪樺吋欏句簡涓嶢TM淇″厓鐨勯傞厤闂銆?<br><br>MPEG-2鏍囧噯 <br>MPEG-2鏍囧噯鐩墠鍒嗕負9涓儴鍒嗭紝緇熺О涓篒SO/IEC13818鍥介檯鏍囧噯銆傚悇閮ㄥ垎鐨勫唴瀹規弿榪板涓嬶細 <br>涓閮ㄥ垎錛岻SO/IEC13818-1錛孲ystem錛氱郴緇燂紝鎻忚堪澶氫釜瑙嗛錛岄煶棰戝拰鏁版嵁鍩烘湰鐮佹祦鍚堟垚浼犺緭鐮佹祦鍜岃妭鐩爜嫻佺殑鏂瑰紡銆?<br>浜岄儴鍒嗭紞ISO/IEC13818-2錛孷ideo錛氳棰戯紝鎻忚堪瑙嗛緙栫爜鏂規硶銆?<br>涓夐儴鍒嗭紞ISO/IEC13818-3錛孉udio錛氶煶棰戯紝鎻忚堪涓嶮PEG-1闊抽鏍囧噯鍙嶅悜鍏煎鐨勯煶棰戠紪鐮佹柟娉曘?<br>鍥涢儴鍒嗭紞ISO/IEC13818-4錛孋ompliance錛氱鍚堟祴璇曪紝鎻忚堪嫻嬭瘯涓涓紪鐮佺爜嫻佹槸鍚︾鍚圡PEG-2鐮佹祦鐨勬柟娉曘?<br>浜旈儴鍒嗭紞ISO/IEC13818-5錛孲oftware錛氳蔣浠訛紝鎻忚堪浜哅PEG-2鏍囧噯鐨勭涓銆佷簩銆佷笁閮ㄥ垎鐨勮蔣浠跺疄鐜版柟娉曘?<br>鍏儴鍒嗭紞ISO/IEC13818-6錛孌SM-CC錛氭暟瀛楀瓨鍌ㄥ獟浣?鍛戒護涓庢帶鍒訛紝鎻忚堪浜や簰寮忓濯掍綋緗戠粶涓湇鍔″櫒涓庣敤鎴烽棿鐨勪細璇濅俊浠ら泦銆?<br>涓婂叚涓儴鍒嗗潎宸茶幏寰楅氳繃錛屾垚涓烘寮忕殑鍥介檯鏍囧噯錛屽茍鍦ㄦ暟瀛楃數瑙嗙瓑棰嗗煙涓緱鍒頒簡騫挎硾鐨勫疄闄呭簲鐢ㄣ傛澶栵紝MPEG-2鏍囧噯榪樻湁涓変釜閮ㄥ垎錛氱涓冮儴鍒嗚瀹氫笉涓嶮PEG-1闊抽鍙嶅悜鍏煎鐨勫閫氶亾闊抽緙栫爜錛涚鍏儴鍒嗙幇宸插仠姝紱絎節閮ㄥ垎瑙勫畾浜嗕紶閫佺爜嫻佺殑瀹炴椂鎺ュ彛銆?<br><br>1990騫存垚绔嬬殑ATM瑙嗛緙栫爜涓撳緇勪笌MPEG鍦↖SO/IEC13818鏍囧噯鐨勭涓鍜岀浜屼袱涓儴鍒嗚繘琛屼簡鍚堜綔錛屽洜姝や笂榪頒袱涓儴鍒嗕篃鎴愪負ITU-T鐨?br>鏍囧噯錛屽垎鍒負錛欼TU-TRec.H.220緋葷粺鍜孖TU-TRec.H.262瑙嗛銆?<br>涓嬮潰鎴戜滑涓昏璁ㄨ涓涓婱PEG瑙嗛緙栫爜緋葷粺錛屽嵆ISO/IEC13818-2閮ㄥ垎銆侻PEG-2瑙嗛緙栫爜 <br><br>銆MPEG-2瑙嗛緙栫爜鏍囧噯鏄竴涓垎絳夌駭鐨勭郴鍒楋紝鎸夌紪鐮佸浘鍍忕殑鍒嗚鯨鐜囧垎鎴愬洓涓?#8220;綰?Levels)”錛涙寜鎵浣跨敤鐨勭紪鐮佸伐鍏風殑闆嗗悎鍒嗘垚浜斾釜“綾?Profiles)”銆?#8220;綰?#8221;涓?#8220;綾?#8221;鐨勮嫢騫茬粍鍚堟瀯鎴怣PEG-2瑙嗛緙栫爜鏍囧噯鍦ㄦ煇縐嶇壒瀹氬簲鐢ㄤ笅鐨勫瓙闆嗭細瀵規煇涓杈撳叆鏍煎紡鐨勫浘鍍忥紝閲囩敤鐗瑰畾闆嗗悎鐨勫帇緙╃紪鐮佸伐鍏鳳紝浜х敓瑙勫畾閫熺巼鑼冨洿鍐呯殑緙栫爜鐮佹祦銆傚湪20縐嶅彲鑳界殑緇勫悎涓紝鐩墠鏈?1縐嶆槸宸茶幏閫氳繃鐨勶紝縐頒負MPEG-2閫傜敤鐐廣?<br>-銆鎴戜滑鐭ラ亾錛屽綋鍓嶆ā鎷熺數瑙嗗瓨鍦ㄧ潃PAL銆丯TSC鍜孲ECAM涓夊ぇ鍒跺紡騫跺瓨鐨勯棶棰橈紝鍥犳錛屾暟瀛楃數瑙嗙殑杈撳叆鏍煎紡鏍囧噯璇曞浘灝嗚繖涓夌鍒跺紡緇熶竴璧鋒潵錛屽艦鎴愪竴縐嶇粺涓鐨勬暟瀛楁紨鎾鏍囧噯錛岃繖涓爣鍑嗗氨鏄疌CIR601錛岀幇縐癐TU-RRec.BT601鏍囧噯銆侻PEG-2涓殑鍥涗釜杈撳叆鍥懼儚鏍煎紡“綰?#8221;閮芥槸鍩轟簬榪欎釜鏍囧噯鐨勩備綆綰?LowLevel)鐨勮緭鍏ユ牸寮忕殑鍍忕礌鏄疘TU-RRec.BT601鏍煎紡鐨?/4錛屽嵆352x240x30(浠h〃鍥懼儚甯ч涓烘瘡縐?0甯э紝姣忓撫鍥懼儚鐨勬湁鏁堟壂鎻忚鏁頒負240琛岋紝姣忚鐨勬湁鏁堝儚绱犱負352涓?錛屾垨352x288x25銆備綆綰т箣涓婄殑涓葷駭(MainLevel)鐨勮緭鍏ュ浘鍍忔牸寮忓畬鍏ㄧ鍚圛TU-RRec.BT601鏍煎紡錛屽嵆720x480x30鎴?20x576x25銆備富綰т箣涓婁負HDTV鑼冨洿錛屽熀鏈笂涓篒TU-RRec.BT601鏍煎紡鐨?鍊嶏紝鍏朵腑1440楂樼駭(High-1440Level)鐨勫浘鍍忓楂樻瘮涓?:3錛屾牸寮忎負1440x1080x30錛岄珮綰?HighLevel)鐨勫浘鍍忓楂樻瘮涓?6:9錛屾牸寮忎負1920x1080x30銆?<br><br>銆鍦∕PEG-2鐨勪簲涓?#8220;綾?#8221;涓紝杈冮珮鐨?#8220;綾?#8221;鎰忓懗鐫閲囩敤杈冨鐨勭紪鐮佸伐鍏烽泦錛屽緙栫爜鍥懼儚榪涜鏇寸簿緇嗙殑澶勭悊錛屽湪鐩稿悓姣旂壒鐜囦笅灝嗗緱鍒拌緝濂界殑鍥懼儚璐ㄩ噺錛屽綋鐒跺疄鐜扮殑浠d環涔熻緝澶с傝緝楂樼被緙栫爜闄や嬌鐢ㄨ緝浣庣被鐨勭紪鐮佸伐鍏峰錛岃繕浣跨敤浜嗕竴浜涜緝浣庣被娌℃湁浣跨敤鐨勯檮鍔犲伐鍏鳳紝鍥犳錛岃緝楂樼被鐨勮В鐮佸櫒闄よ兘瑙g爜鐢ㄦ湰綾繪柟娉曠紪鐮佺殑鍥懼儚澶栵紝涔熻兘瑙g爜鐢ㄨ緝浣庣被鏂規硶緙栫爜鐨勫浘鍍忥紝鍗矼PEG-2鐨?#8220;綾?#8221;涔嬮棿鍏鋒湁鍚庡悜鍏煎鎬с傜畝鍗曠被(SimpleProfile)浣跨敤鏈灝戠殑緙栫爜宸ュ叿銆備富綾?MainProfile)闄や嬌鐢ㄦ墍鏈夌畝鍗曠被鐨勭紪鐮佸伐鍏峰錛岃繕鍔犲叆浜嗕竴縐嶅弻鍚戦嫻嬬殑鏂規硶銆備俊鍣瘮鍙垎綰х被(SNRScalableProfile)鍜岀┖闂村彲鍒嗙駭綾?SpatiallyScalableProfile)鎻愪緵浜嗕竴縐嶅綰у箍鎾殑鏂瑰紡錛屽皢鍥懼儚鐨勭紪鐮佷俊鎭垎涓哄熀鏈俊鎭眰鍜屼竴涓垨澶氫釜嬈¤淇℃伅灞傘傚熀鏈俊鎭眰鍖呭惈瀵瑰浘鍍忚В鐮佽嚦鍏抽噸瑕佺殑淇℃伅錛岃В鐮佸櫒鏍規嵁鍩烘湰淇℃伅鍗沖彲榪涜瑙g爜錛屼絾鍥懼儚鐨勮川閲忚緝宸傛瑕佷俊鎭眰涓寘鍚浘鍍忕殑緇嗚妭銆傚箍鎾椂瀵瑰熀鏈俊鎭眰鍔犱互杈冨己鐨勪繚鎶わ紝浣垮叾鍏鋒湁杈冨己鐨勬姉騫叉壈鑳藉姏銆傝繖鏍鳳紝鍦ㄨ窛紱昏緝榪戯紝鎺ユ敹鏉′歡杈冨ソ鐨勬儏鍐典笅錛屽彲浠ュ悓鏃舵敹鍒板熀鏈俊鎭拰嬈¤淇℃伅錛屾仮澶嶅嚭楂樿川閲忕殑鍥懼儚錛涜屽湪璺濈杈冭繙錛屾帴鏀舵潯浠惰緝宸殑鏉′歡涓嬶紝浠嶈兘鏀跺埌鍩烘湰淇℃伅錛屾仮澶嶅嚭鍥懼儚錛屼笉鑷抽犳垚瑙g爜涓柇銆傞珮綰х被(HighProfile)瀹為檯涓婂簲鐢ㄤ簬姣旂壒鐜囨洿楂橈紝瑕佹眰鏇撮珮鐨勫浘鍍忚川閲忔椂錛屾澶栵紝鍓嶅洓涓被鍦ㄥ鐞哬錛孶錛孷鏃舵槸閫愯欏哄簭澶勭悊鑹插樊淇″彿鐨勶紝楂樼駭綾諱腑榪樻彁渚涘悓鏃跺鐞嗚壊宸俊鍙風殑鍙兘鎬с?<br><br>鐩墠鐨勬爣鍑嗘暟瀛楃數瑙嗛噰鐢ㄧ殑鏄疢P@ML涓葷被鍜屼富綰э紝鑰孒DTV閲囩敤鐨勬槸MP@HL涓葷被鍜岄珮綰с備笅闈紝鎴戜滑浠P@ML涓轟緥鏉ヨ鏄庝竴涓婱PEG-2瑙嗛緙栫爜緋葷粺鍘熺悊鍙婂叧閿妧鏈?br><br>MPEG-2瑙嗛緙栫爜緋葷粺鍘熺悊鍙婂叧閿妧鏈?<br>銆姒傛嫭鍦拌錛孧PEG-2鍥懼儚鍘嬬緝鐨勫師鐞嗘槸鍒╃敤浜嗗浘鍍忎腑鐨勪袱縐嶇壒鎬э細絀洪棿鐩稿叧鎬у拰鏃墮棿鐩稿叧鎬с備竴甯у浘鍍忓唴鐨勪換浣曚竴涓満鏅兘鏄敱鑻ュ共鍍忕礌鐐規瀯鎴愮殑錛屽洜姝や竴涓儚绱犻氬父涓庡畠鍛ㄥ洿鐨勬煇浜涘儚绱犲湪浜害鍜岃壊搴︿笂瀛樺湪涓瀹氱殑鍏崇郴錛岃繖縐嶅叧緋誨彨浣滅┖闂寸浉鍏蟲э紱涓涓妭鐩腑鐨勪竴涓儏鑺傚父甯哥敱鑻ュ共甯ц繛緇浘鍍忕粍鎴愮殑鍥懼儚搴忓垪鏋勬垚錛屼竴涓浘鍍忓簭鍒椾腑鍓嶅悗甯у浘鍍忛棿涔熷瓨鍦ㄤ竴瀹氱殑鍏崇郴錛岃繖縐嶅叧緋誨彨浣滄椂闂寸浉鍏蟲с傝繖涓ょ鐩稿叧鎬т嬌寰楀浘鍍忎腑瀛樺湪澶ч噺鐨勫啑浣欎俊鎭傚鏋滄垜浠兘灝嗚繖浜涘啑浣欎俊鎭幓闄わ紝鍙繚鐣欏皯閲忛潪鐩稿叧淇℃伅榪涜浼犺緭錛屽氨鍙互澶уぇ鑺傜渷浼犺緭棰戝甫銆傝屾帴鏀舵満鍒╃敤榪欎簺闈炵浉鍏充俊鎭紝鎸夌収涓瀹氱殑瑙g爜綆楁硶錛屽彲浠ュ湪淇濊瘉涓瀹氱殑鍥懼儚璐ㄩ噺鐨勫墠鎻愪笅鎭㈠鍘熷鍥懼儚銆備竴涓ソ鐨勫帇緙╃紪鐮佹柟妗堝氨鏄兘澶熸渶澶ч檺搴﹀湴鍘婚櫎鍥懼儚涓殑鍐椾綑淇℃伅銆?<br><br>MPEG-2涓紪鐮佸浘鍍忚鍒嗕負涓夌被錛屽垎鍒О涓篒甯э紝P甯у拰B甯с?<br><br>----I甯у浘鍍忛噰鐢ㄥ撫鍐呯紪鐮佹柟寮忥紝鍗沖彧鍒╃敤浜嗗崟甯у浘鍍忓唴鐨勭┖闂寸浉鍏蟲э紝鑰屾病鏈夊埄鐢ㄦ椂闂寸浉鍏蟲с侷甯т富瑕佺敤浜庢帴鏀舵満鐨勫垵濮嬪寲鍜屼俊閬撶殑鑾峰彇錛屼互鍙婅妭鐩殑鍒囨崲鍜屾彃鍏ワ紝I甯у浘鍍忕殑鍘嬬緝鍊嶆暟鐩稿杈冧綆銆侷甯у浘鍍忔槸鍛ㄦ湡鎬у嚭鐜板湪鍥懼儚搴忓垪涓殑錛屽嚭鐜伴鐜囧彲鐢辯紪鐮佸櫒閫夋嫨銆?<br><br>銆P甯у拰B甯у浘鍍忛噰鐢ㄥ撫闂寸紪鐮佹柟寮忥紝鍗沖悓鏃跺埄鐢ㄤ簡絀洪棿鍜屾椂闂翠笂鐨勭浉鍏蟲с侾甯у浘鍍忓彧閲囩敤鍓嶅悜鏃墮棿棰勬祴錛屽彲浠ユ彁楂樺帇緙╂晥鐜囧拰鍥懼儚璐ㄩ噺銆侾甯у浘鍍忎腑鍙互鍖呭惈甯у唴緙栫爜鐨勯儴鍒嗭紝鍗砅甯т腑鐨勬瘡涓涓畯鍧楀彲浠ユ槸鍓嶅悜棰勬祴錛屼篃鍙互鏄撫鍐呯紪鐮併侭甯у浘鍍忛噰鐢ㄥ弻鍚戞椂闂撮嫻嬶紝鍙互澶уぇ鎻愰珮鍘嬬緝鍊嶆暟銆傚煎緱娉ㄦ剰鐨勬槸錛岀敱浜嶣甯у浘鍍忛噰鐢ㄤ簡鏈潵甯т綔涓哄弬鑰冿紝鍥犳MPEG-2緙栫爜鐮佹祦涓浘鍍忓撫鐨勪紶杈撻『搴忓拰鏄劇ず欏哄簭鏄笉鍚岀殑銆?<br><br>MPEG-2鐨勭紪鐮佺爜嫻佸垎涓哄叚涓眰嬈°?<br>銆浠庝笂鑷充笅渚濇涓猴細瑙嗛搴忓垪灞?Sequence)錛屽浘鍍忕粍灞?GOP錛欸roupofPicture)錛屽浘鍍忓眰(Picture)錛屽儚鏉″眰(Slice)錛屽畯鍧楀眰(MacroBlock)鍜屽儚鍧楀眰(Block)銆備粠鍥?涓彲浠ョ湅鍒幫紝闄ゅ畯鍧楀眰鍜屽儚鍧楀眰澶栵紝涓婇潰鍥涘眰涓兘鏈夌浉搴旂殑璧峰鐮?SC錛歋tartCode)錛屽彲鐢ㄤ簬鍥犺鐮佹垨鍏跺畠鍘熷洜鏀跺彂涓ょ澶辨鏃訛紝瑙g爜鍣ㄩ噸鏂版崟鎹夊悓姝ャ傚洜姝や竴嬈″け姝ュ皢鑷沖皯涓㈠け涓涓儚鏉$殑鏁版嵁銆?<br><br>銆搴忓垪鎸囨瀯鎴愭煇璺妭鐩殑鍥懼儚搴忓垪錛屽簭鍒楄搗濮嬬爜鍚庣殑搴忓垪澶翠腑鍖呭惈浜嗗浘鍍忓昂瀵革紝瀹介珮姣旓紝鍥懼儚閫熺巼絳変俊鎭傚簭鍒楁墿灞曚腑鍖呭惈浜嗕竴浜涢檮鍔犳暟鎹備負淇濊瘉鑳介殢鏃惰繘鍏ュ浘鍍忓簭鍒楋紝搴忓垪澶存槸閲嶅鍙戦佺殑銆?<br><br>銆搴忓垪灞備笅鏄浘鍍忕粍灞傦紝涓涓浘鍍忕粍鐢辯浉浜掗棿鏈夐嫻嬪拰鐢熸垚鍏崇郴鐨勪竴緇処銆丳銆丅鍥懼儚鏋勬垚錛屼絾澶翠竴甯у浘鍍忔繪槸I甯с侴OP澶翠腑鍖呭惈浜嗘椂闂翠俊鎭?<br><br>銆鍥懼儚緇勫眰涓嬫槸鍥懼儚灞傦紝鍒嗕負I銆丳銆丅涓夌被銆侾IC澶翠腑鍖呭惈浜嗗浘鍍忕紪鐮佺殑綾誨瀷鍜屾椂闂村弬鑰冧俊鎭?<br><br>銆鍥懼儚灞備笅鏄儚鏉″眰錛屼竴涓儚鏉″寘鎷竴瀹氭暟閲忕殑瀹忓潡錛屽叾欏哄簭涓庢壂鎻忛『搴忎竴鑷淬侻P@ML涓竴涓儚鏉″繀欏誨湪鍚屼竴瀹忓潡琛屽唴銆?<br><br>銆鍍忔潯灞備笅鏄畯鍧楀眰銆侻PEG-2涓畾涔変簡涓夌瀹忓潡緇撴瀯錛?:2:0瀹忓潡4:2:2瀹忓潡鍜?:4:4瀹忓潡錛屽垎鍒唬琛ㄦ瀯鎴愪竴涓畯鍧楃殑浜害鍍忓潡鍜岃壊宸儚鍧楃殑鏁伴噺鍏崇郴銆?br><br>銆4:2:0瀹忓潡涓寘鍚洓涓寒搴﹀儚鍧楋紝涓涓狢b鑹插樊鍍忓潡鍜屼竴涓狢r鑹插樊鍍忓潡錛?:2:2瀹忓潡涓寘鍚洓涓寒搴﹀儚鍧楋紝浜屼釜Cb鑹插樊鍍忓潡鍜屼簩涓狢r鑹插樊鍍忓潡錛?:4:4瀹忓潡涓寘鍚洓涓寒搴﹀儚鍧楋紝鍥涗釜Cb鑹插樊鍍忓潡鍜屽洓涓狢r鑹插樊鍍忓潡銆傝繖涓夌瀹忓潡緇撴瀯瀹為檯涓婂搴斾簬涓夌浜害鍜岃壊搴︾殑鎶芥牱鏂瑰紡銆?<br><br>銆鍦ㄨ繘琛岃棰戠紪鐮佸墠錛屽垎閲忎俊鍙稲銆丟銆丅琚彉鎹負浜害淇″彿Y鍜岃壊宸俊鍙稢b銆丆r鐨勫艦寮忋?:2:2鏍煎紡涓寒搴︿俊鍙風殑鎶芥牱棰戠巼涓?3.5MHz錛屼袱涓壊宸俊鍙風殑鎶芥牱棰戠巼鍧囦負6.75MHz錛岃繖鏍風┖闂寸殑鎶芥牱緇撴瀯涓寒搴︿俊鍙蜂負姣忓撫720x576鏍峰鹼紝Cb錛孋r閮戒負360x576鏍峰鹼紝鍗蟲瘡琛屼腑姣忛殧涓涓儚绱犲鑹插樊淇″彿鎶戒竴嬈℃牱錛屽鍥?鎵紺猴紝鈼嬩唬琛╕淇″彿鐨勬娊鏍風偣錛?#215;浠h〃Cb錛孋r淇″彿鐨勬娊鏍風偣銆?<br><br>銆4:4:4鏍煎紡涓紝浜害鍜岃壊宸俊鍙風殑鎶芥牱棰戠巼閮芥槸13.5MHz錛屽洜姝ょ┖闂寸殑鎶芥牱緇撴瀯涓寒搴﹀拰鑹插樊淇″彿閮戒負姣忓撫720x576鏍峰箋傝?:2:0鏍煎紡涓紝浜害淇″彿鐨勬娊鏍烽鐜?3.5MHz錛岀┖闂寸殑鎶芥牱緇撴瀯涓寒搴︿俊鍙蜂負姣忓撫720x576鏍峰鹼紝Cb錛孋r閮戒負360x288鏍峰鹼紝鍗蟲瘡闅斾竴琛屽涓や釜鑹插樊淇″彿鎶戒竴嬈℃牱錛屾瘡鎶芥牱琛屼腑姣忛殧涓涓儚绱犲涓や釜鑹插樊淇″彿鎶戒竴嬈℃牱銆?<br><br>銆閫氳繃涓婅堪鍒嗘瀽涓嶉毦璁$畻鍑猴紝4:2:0鏍煎紡涓紝姣忓洓涓猋淇″彿鐨勫儚鍧楃┖闂村唴鐨凜b錛孋r鏍峰煎垎鍒瀯鎴愪竴涓狢b錛孋r鍍忓潡錛?:2:2鏍煎紡涓紝姣忓洓涓猋淇″彿鐨勫儚鍧楃┖闂村唴鐨凜b錛孋r鏍峰煎垎鍒瀯鎴愪袱涓狢b錛孋r鍍忓潡錛涜?:4:4鏍煎紡涓紝姣忓洓涓猋淇″彿鐨勫儚鍧楃┖闂村唴鐨凜b錛孋r鏍峰煎垎鍒瀯鎴愬洓涓狢b錛孋r鍍忓潡銆傜浉搴旂殑瀹忓潡緇撴瀯姝f槸浠ユ鍩虹鏋勬垚鐨勩?br><br>銆瀹忓潡灞備箣涓嬫槸鍍忓潡灞傦紝鍍忓潡鏄疢PEG-2鐮佹祦鐨勬渶搴曞眰錛屾槸DCT鍙樻崲鐨勫熀鏈崟鍏冦侻P@ML涓竴涓儚鍧楃敱8x8涓娊鏍峰兼瀯鎴愶紝鍚屼竴鍍忓潡鍐呯殑鎶芥牱鍊煎繀欏誨叏閮ㄦ槸Y淇″彿鏍峰鹼紝鎴栧叏閮ㄦ槸Cb淇″彿鏍峰鹼紝鎴栧叏閮ㄦ槸Cr淇″彿鏍峰箋傚彟澶栵紝鍍忓潡涔熺敤浜庤〃紺?x8涓娊鏍峰肩粡DCT鍙樻崲鍚庢墍鐢熸垚鐨?x8涓狣CT緋繪暟銆?<br><br>鍦ㄥ撫鍐呯紪鐮佺殑鎯呭喌涓嬶紝緙栫爜鍥懼儚浠呯粡榪嘍CT錛岄噺鍖栧櫒鍜屾瘮鐗規祦緙栫爜鍣ㄥ嵆鐢熸垚緙栫爜姣旂壒嫻侊紝鑰屼笉緇忚繃棰勬祴鐜鐞嗐侱CT鐩存帴搴旂敤浜庡師濮嬬殑鍥懼儚鏁版嵁銆?<br><br>銆鍦ㄥ撫闂寸紪鐮佺殑鎯呭喌涓嬶紝鍘熷鍥懼儚棣栧厛涓庡撫瀛樺偍鍣ㄤ腑鐨勯嫻嬪浘鍍忚繘琛屾瘮杈冿紝璁$畻鍑鴻繍鍔ㄧ煝閲忥紝鐢辨榪愬姩鐭㈤噺鍜屽弬鑰冨撫鐢熸垚鍘熷鍥懼儚鐨勯嫻嬪浘鍍忋傝屽悗錛屽皢鍘熷鍥懼儚涓庨嫻嬪儚绱犲樊鍊兼墍鐢熸垚鐨勫樊鍒嗗浘鍍忔暟鎹繘琛孌CT鍙樻崲錛屽啀緇忚繃閲忓寲鍣ㄥ拰姣旂壒嫻佺紪鐮佸櫒鐢熸垚杈撳嚭鐨勭紪鐮佹瘮鐗規祦銆?<br><br>銆鍙錛屽撫鍐呯紪鐮佷笌甯ч棿緙栫爜嫻佺▼鐨勫尯鍒湪浜庢槸鍚︾粡榪囬嫻嬬幆鐨勫鐞嗐?<br>MPEG-2瑙嗛鍘嬬緝鏂規涓寘鍚互涓嬪叧閿妧鏈幆鑺傦細 <br>1銆佷綑寮﹀彉鎹CT <br>銆DCT鏄竴縐嶇┖闂村彉鎹紝鍦∕PEG-2涓璂CT浠?x8鐨勫儚鍧椾負鍗曚綅榪涜錛岀敓鎴愮殑鏄?x8鐨凞CT緋繪暟鏁版嵁鍧椼侱CT鍙樻崲鐨勬渶澶х壒鐐規槸瀵逛簬涓鑸殑鍥懼儚閮借兘澶熷皢鍍忓潡鐨勮兘閲忛泦涓簬灝戞暟浣庨DCT緋繪暟涓婏紝鍗崇敓鎴?x8DCT緋繪暟鍧椾腑錛屼粎宸︿笂瑙掔殑灝戦噺浣庨緋繪暟鏁板艱緝澶э紝鍏朵綑緋繪暟鐨勬暟鍊煎緢灝忥紝榪欐牱灝卞彲鑳藉彧緙栫爜鍜屼紶杈撳皯鏁扮郴鏁拌屼笉涓ラ噸褰卞搷鍥懼儚璐ㄩ噺銆?<br>銆DCT涓嶈兘鐩存帴瀵瑰浘鍍忎駭鐢熷帇緙╀綔鐢紝浣嗗鍥懼儚鐨勮兘閲忓叿鏈夊緢濂界殑闆嗕腑鏁堟灉錛屼負鍘嬬緝鎵撲笅浜嗗熀紜銆?<br><br>2銆侀噺鍖栧櫒 <br>銆閲忓寲鏄拡瀵笵CT鍙樻崲緋繪暟榪涜鐨勶紝閲忓寲榪囩▼灝辨槸浠ユ煇涓噺鍖栨闀垮幓闄CT緋繪暟銆傞噺鍖栨闀跨殑澶у皬縐頒負閲忓寲綺懼害錛岄噺鍖栨闀胯秺灝忥紝閲忓寲綺懼害灝辮秺緇嗭紝鍖呭惈鐨勪俊鎭秺澶氾紝浣嗘墍闇鐨勪紶杈撻甯﹁秺楂樸備笉鍚岀殑DCT鍙樻崲緋繪暟瀵逛漢綾昏瑙夋劅搴旂殑閲嶈鎬ф槸涓嶅悓鐨勶紝鍥犳緙栫爜鍣ㄦ牴鎹瑙夋劅搴斿噯鍒欙紝瀵逛竴涓?x8鐨凞CT鍙樻崲鍧椾腑鐨?4涓狣CT鍙樻崲緋繪暟閲囩敤涓嶅悓鐨勯噺鍖栫簿搴︼紝浠ヤ繚璇佸敖鍙兘澶氬湴鍖呭惈鐗瑰畾鐨凞CT絀洪棿棰戠巼淇℃伅錛屽張浣塊噺鍖栫簿搴︿笉瓚呰繃闇瑕併侱CT鍙樻崲緋繪暟涓紝浣庨緋繪暟瀵硅瑙夋劅搴旂殑閲嶈鎬ц緝楂橈紝鍥犳鍒嗛厤鐨勯噺鍖栫簿搴﹁緝緇嗭紱楂橀緋繪暟瀵硅瑙夋劅搴旂殑閲嶈鎬ц緝浣庯紝鍒嗛厤鐨勯噺鍖栫簿搴﹁緝綺楋紝閫氬父鎯呭喌涓嬶紝涓涓狣CT鍙樻崲鍧椾腑鐨勫ぇ澶氭暟楂橀緋繪暟閲忓寲鍚庨兘浼氬彉涓洪浂銆?<br><br>3銆佷箣鍨嬫壂鎻忎笌娓哥▼緙栫爜 <br>銆DCT鍙樻崲浜х敓鐨勬槸涓8x8鐨勪簩緇存暟緇勶紝涓鴻繘琛屼紶杈擄紝榪橀』灝嗗叾杞崲涓轟竴緇存帓鍒楁柟寮忋傛湁涓ょ浜岀淮鍒頒竴緇寸殑杞崲鏂瑰紡錛屾垨縐版壂鎻忔柟寮忥細涔嬪瀷鎵弿(Zig-Zag)鍜屼氦鏇挎壂鎻忥紝鍏朵腑涔嬪瀷鎵弿鏄渶甯哥敤鐨勪竴縐嶃傜敱浜庣粡閲忓寲鍚庯紝澶у鏁伴潪闆禗CT緋繪暟闆嗕腑浜?x8浜岀淮鐭╅樀鐨勫乏涓婅錛屽嵆浣庨鍒嗛噺鍖猴紝涔嬪瀷鎵弿鍚庯紝榪欎簺闈為浂DCT緋繪暟灝遍泦涓簬涓緇存帓鍒楁暟緇勭殑鍓嶉儴錛屽悗闈㈣窡鐫闀夸覆鐨勯噺鍖栦負闆剁殑DCT緋繪暟錛岃繖浜涘氨涓烘父紼嬬紪鐮佸垱閫犱簡鏉′歡銆?<br>-銆娓哥▼緙栫爜涓紝鍙湁闈為浂緋繪暟琚紪鐮併備竴涓潪闆剁郴鏁扮殑緙栫爜鐢變袱閮ㄥ垎緇勬垚錛氬墠涓閮ㄥ垎琛ㄧず闈為浂緋繪暟鍓嶇殑榪炵畫闆剁郴鏁扮殑鏁伴噺(縐頒負娓哥▼)錛屽悗涓閮ㄥ垎鏄偅涓潪闆剁郴鏁般傝繖鏍峰氨鎶婁箣鍨嬫壂鎻忕殑浼樼偣浣撶幇鍑烘潵浜嗭紝鍥犱負涔嬪瀷鎵弿鍦ㄥぇ澶氭暟鎯呭喌涓嬪嚭鐜拌繛闆剁殑鏈轟細姣旇緝澶氾紝娓哥▼緙栫爜鐨勬晥鐜囧氨姣旇緝楂樸傚綋涓緇村簭鍒椾腑鐨勫悗閮ㄥ墿浣欑殑DCT緋繪暟閮戒負闆舵椂錛屽彧瑕佺敤涓涓?#8220;鍧楃粨鏉?#8221;鏍囧織(EOB)鏉ユ寚紺猴紝灝卞彲緇撴潫榪欎竴8x8鍙樻崲鍧楃殑緙栫爜錛屼駭鐢熺殑鍘嬬緝鏁堟灉鏄潪甯告槑鏄劇殑銆?<br><br>4銆佺喌緙栫爜 <br>銆閲忓寲浠呯敓鎴愪簡DCT緋繪暟鐨勪竴縐嶆湁鏁堢殑紱繪暎琛ㄧず錛屽疄闄呬紶杈撳墠錛岃繕欏誨鍏惰繘琛屾瘮鐗規祦緙栫爜錛屼駭鐢熺敤浜庝紶杈撶殑鏁板瓧姣旂壒嫻併傜畝鍗曠殑緙栫爜鏂規硶鏄噰鐢ㄥ畾闀跨爜錛屽嵆姣忎釜閲忓寲鍊間互鍚屾牱鏁扮洰鐨勬瘮鐗硅〃紺猴紝浣嗚繖縐嶆柟娉曠殑鏁堢巼杈冧綆銆傝岄噰鐢ㄧ喌緙栫爜鍙互鎻愰珮緙栫爜鏁堢巼銆傜喌緙栫爜鏄熀浜庣紪鐮佷俊鍙風殑緇熻鐗規э紝浣垮緱騫沖潎姣旂壒鐜囦笅闄嶃傛父紼嬪拰闈為浂緋繪暟鏃㈠彲鐙珛鐨勶紝涔熷彲鑱斿悎鐨勪綔鐔電紪鐮併傜喌緙栫爜涓嬌鐢ㄨ緝澶氱殑涓縐嶆槸闇嶅か鏇肩紪鐮侊紝MPEG-2瑙嗛鍘嬬緝緋葷粺涓噰鐢ㄧ殑灝辨槸闇嶅か鏇肩紪鐮併傞湇澶浖緙栫爜涓紝鍦ㄧ‘瀹氫簡鎵鏈夌紪鐮佷俊鍙風殑姒傜巼鍚庣敓浜т竴涓爜琛紝瀵圭粡甯稿彂鐢熺殑澶ф鐜囦俊鍙峰垎閰嶈緝灝戠殑姣旂壒琛ㄧず錛屽涓嶅父鍙戠敓鐨勫皬姒傜巼淇″彿鍒嗛厤杈冨鐨勬瘮鐗硅〃紺猴紝浣垮緱鏁翠釜鐮佹祦鐨勫鉤鍧囬暱搴﹁秼浜庢渶鐭?<br><br>5銆佷俊閬撶紦瀛?<br>銆鐢變簬閲囩敤浜嗙喌緙栫爜錛屼駭鐢熺殑姣旂壒嫻佺殑閫熺巼鏄彉鍖栫殑錛岄殢鐫瑙嗛鍥懼儚鐨勭粺璁$壒鎬у彉鍖栥備絾澶у鏁版儏鍐典笅浼犺緭緋葷粺鍒嗛厤鐨勯甯﹂兘鏄亽瀹氱殑錛屽洜姝ゅ湪緙栫爜姣旂壒嫻佽繘鍏ヤ俊閬撳墠闇璁劇疆淇¢亾緙撳瓨銆備俊閬撶紦瀛樻槸涓緙撳瓨鍣紝浠ュ彉姣旂壒鐜囦粠鐔電紪鐮佸櫒鍚戦噷鍐欏叆鏁版嵁錛屼互浼犺緭緋葷粺鏍囩О鐨勬亽瀹氭瘮鐗圭巼鍚戝璇誨嚭錛岄佸叆淇¢亾銆傜紦瀛樺櫒鐨勫ぇ灝忥紝鎴栫О瀹歸噺鏄瀹氬ソ鐨勶紝浣嗙紪鐮佸櫒鐨勭灛鏃惰緭鍑烘瘮鐗圭巼甯告槑鏄鵑珮浜庢垨浣庝簬浼犺緭緋葷粺鐨勯甯︼紝榪欏氨鏈夊彲鑳介犳垚緙撳瓨鍣ㄧ殑涓婃孩鍑烘垨涓嬫孩鍑恒傚洜姝ょ紦瀛樺櫒欏誨甫鏈夋帶鍒舵満鍒訛紝閫氳繃鍙嶉鎺у埗鍘嬬緝綆楁硶錛岃皟鏁寸紪鐮佸櫒鐨勬瘮鐗圭巼錛屼嬌寰楃紦瀛樺櫒鐨勫啓鍏ユ暟鎹熺巼涓庤鍑烘暟鎹熺巼瓚嬩簬騫寵 銆傜紦瀛樺櫒瀵瑰帇緙╃畻娉曠殑鎺у埗鏄氳繃鎺у埗閲忓寲鍣ㄧ殑閲忓寲姝ラ暱瀹炵幇鐨勶紝褰撶紪鐮佸櫒鐨勭灛鏃惰緭鍑洪熺巼榪囬珮錛岀紦瀛樺櫒灝嗚涓婃孩鏃訛紝灝變嬌閲忓寲姝ラ暱澧炲ぇ浠ラ檷浣庣紪鐮佹暟鎹熺巼錛屽綋鐒朵篃鐩稿簲澧炲ぇ浜嗗浘鍍忕殑鎹熷け錛涘綋緙栫爜鍣ㄧ殑鐬椂杈撳嚭閫熺巼榪囦綆錛岀紦瀛樺櫒灝嗚涓嬫孩鍑烘椂錛屽氨浣塊噺鍖栨闀垮噺灝忎互鎻愰珮緙栫爜鏁版嵁閫熺巼銆?<br><br>6銆佽繍鍔ㄤ及璁?<br>銆榪愬姫浼拌浣跨敤浜庡撫闂寸紪鐮佹柟寮忔椂錛岄氳繃鍙傝冨撫鍥懼儚浜х敓瀵硅鍘嬬緝鍥懼儚鐨勪及璁°傝繍鍔ㄤ及璁$殑鍑嗙‘紼嬪害瀵瑰撫闂寸紪鐮佺殑鍘嬬緝鏁堟灉闈炲父閲嶈銆傚鏋滀及璁′綔鐨勫ソ錛岄偅涔堣鍘嬬緝鍥懼儚涓庝及璁″浘鍍忕浉鍑忓悗鍙暀涓嬪緢灝忕殑鍊肩敤浜庝紶杈撱傝繍鍔ㄤ及璁′互瀹忓潡涓哄崟浣嶈繘琛岋紝璁$畻琚帇緙╁浘鍍忎笌鍙傝冨浘鍍忕殑瀵瑰簲浣嶇疆涓婄殑瀹忓潡闂寸殑浣嶇疆鍋忕Щ銆傝繖縐嶄綅緗亸縐繪槸浠ヨ繍鍔ㄧ煝閲忔潵鎻忚堪鐨勶紝涓涓繍鍔ㄧ煝閲忎唬琛ㄦ按騫沖拰鍨傜洿涓や釜鏂瑰悜涓婄殑浣嶇Щ銆傝繍鍔ㄤ及璁℃椂錛孭甯у拰B甯у浘鍍忔墍浣跨敤鐨勫弬鑰冨撫鍥懼儚鏄笉鍚岀殑銆侾甯у浘鍍忎嬌鐢ㄥ墠闈㈡渶榪戣В鐮佺殑I甯ф垨P甯т綔鍙傝冨浘鍍忥紝縐頒負鍓嶅悜棰勬祴錛涜孊甯у浘鍍忎嬌鐢ㄤ袱甯у浘鍍忎綔涓洪嫻嬪弬鑰冿紝縐頒負鍙屽悜棰勬祴錛屽叾涓竴涓弬鑰冨撫鍦ㄦ樉紺洪『搴忎笂鍏堜簬緙栫爜甯?鍓嶅悜棰勬祴)錛屽彟涓甯у湪鏄劇ず欏哄簭涓婃櫄浜庣紪鐮佸撫(鍚庡悜棰勬祴)錛孊甯х殑鍙傝冨撫鍦ㄤ換浣曟儏鍐典笅閮芥槸I甯ф垨P甯с?<br><br>7銆佽繍鍔ㄨˉ鍋?<br>銆鍒╃敤榪愬姩浼拌綆楀嚭鐨勮繍鍔ㄧ煝閲忥紝灝嗗弬鑰冨撫鍥懼儚涓殑瀹忓潡縐昏嚦姘村鉤鍜屽瀭鐩存柟鍚戜笂鐨勭浉瀵瑰簲浣嶇疆錛屽嵆鍙敓鎴愬琚帇緙╁浘鍍忕殑棰勬祴銆傚湪緇濆ぇ澶氭暟鐨勮嚜鐒跺満鏅腑榪愬姩閮芥槸鏈夊簭鐨勩傚洜姝よ繖縐嶈繍鍔ㄨˉ鍋跨敓鎴愮殑棰勬祴鍥懼儚涓庤鍘嬬緝鍥懼儚鐨勫樊鍒嗗兼槸寰堝皬鐨勩傛暟瀛楀浘鍍忚川閲忕殑涓昏璇勪環 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GMThttp://www.shnenglu.com/elva/archive/2009/03/05/75650.htmlhttp://www.shnenglu.com/elva/comments/75650.htmlhttp://www.shnenglu.com/elva/archive/2009/03/05/75650.html#Feedback3http://www.shnenglu.com/elva/comments/commentRss/75650.htmlhttp://www.shnenglu.com/elva/services/trackbacks/75650.html

澹版槑錛氫互涓嬪唴瀹硅漿甯栬嚜http://blog.lmtw.com/b/moreframe/archives/2006/40865.html錛屼綔鑰呭啓鐨勯潪甯稿ソ錛屾劅璋綔鑰呯殑杈涜嫤銆?br>

搴旇璇寸湡姝d簡瑙S錛岃繕鏄湅浜嗘湅鍙嬫帹鑽愮殑銆婃暟瀛楃數瑙嗕笟鍔′俊鎭強鍏剁紪鐮併嬩竴涔︿箣鍚庯紝MPEG2 TS鍜屾暟瀛楃數瑙嗘槸绱у瘑涓嶅彲鍒嗗壊鐨勶紝鍊煎緱鎬葷粨涓涓嬪叾涓殑涓浜涘叧緋匯?/p>

ISO/IEC錛?3818錛?錛氱郴緇熼儴鍒嗭紱ISO/IEC錛?3818錛?錛氳棰戯紱ISO/IEC錛?3818錛?錛氶煶棰戯紱ISO/IEC錛?3818錛?錛氫竴鑷存ф祴璇曪紱ISO/IEC錛?3818錛?錛氳蔣浠墮儴鍒嗭紱ISO/IEC錛?3818錛?錛氭暟瀛楀瓨鍌ㄥ獟浣撳懡浠や笌鎺у埗錛汭SO/IEC錛?3818錛?錛氶珮綰ч煶棰戠紪鐮侊紱ISO/IEC錛?3818錛?錛氱郴緇熻В鐮佸疄鏃舵帴鍙o紱

MPEG2緋葷粺浠誨姟鍖呮嫭錛?. 瑙勫畾浠ュ寘浼犺緭鏁版嵁鐨勫崗璁紱2. 瑙勫畾鏀跺彂涓ょ鏁版嵁嫻佸悓姝ョ殑鍗忚錛?. 鎻愪緵澶氫釜鏁版嵁嫻佺殑澶嶇敤鍜岃В澶嶇敤鍗忚錛?. 鎻愪緵鏁版嵁嫻佸姞瀵嗙殑鍗忚銆備互鍖呭艦寮忓瓨鍌ㄥ拰浼犻佹暟鎹祦鏄疢PEG2緋葷粺涔嬭鐐廣?/p>

ES鏄洿鎺ヤ粠緙栫爜鍣ㄥ嚭鏉ョ殑鏁版嵁嫻侊紝鍙互鏄紪鐮佽繃鐨勮棰戞暟鎹祦錛岄煶棰戞暟鎹祦錛屾垨鍏朵粬緙栫爜鏁版嵁嫻佺殑緇熺О銆侲S嫻佺粡榪嘝ES鎵撳寘鍣ㄤ箣鍚庯紝琚漿鎹㈡垚PES鍖呫侾ES鍖呯敱鍖呭ご鍜宲ayload緇勬垚錛屽叿浣撴牸寮忔憳褰曞涓嬶細


鍙互鐪嬪埌PTS/DTS鏄墦鍦≒ES鍖呴噷闈㈢殑錛岃繖涓や釜parameters鏄В鍐寵闊抽鍚屾鏄劇ず錛岄槻姝㈣В鐮佸櫒杈撳叆緙撳瓨涓婃孩鎴栦笅婧㈢殑鍏抽敭銆侾TS琛ㄧず鏄劇ず鍗曞厓鍑虹幇鍦ㄧ郴緇熺洰鏍囪В鐮佸櫒(STD: system target decoder)鐨勬椂闂達紝DTS琛ㄧず灝嗗瓨鍙栧崟鍏冨叏閮ㄥ瓧鑺備粠STD鐨凟S瑙g爜緙撳瓨鍣ㄧЩ璧扮殑鏃跺埢銆?span lang=ZH-CN style="FONT-SIZE: 11.5pt; FONT-FAMILY: 瀹嬩綋">姣忎釜I銆?/span>P銆?/span>B甯х殑鍖呭ご閮芥湁涓涓?/span>PTS鍜?/span>DTS錛屼絾PTS涓?/span>DTS瀵?/span>B甯ч兘鏄竴鏍風殑錛屾棤欏繪爣鍑?/span>B甯х殑DTS銆傚I甯у拰P甯э紝鏄劇ず鍓嶄竴瀹氳瀛樺偍浜庤棰戣В鐮佸櫒鐨勯噸鏂版帓搴忕紦瀛樺櫒涓紝緇忚繃寤惰繜錛堥噸鏂版帓搴忥級鍚庡啀鏄劇ず錛屼竴瀹氳鍒嗗埆鏍囨槑PTS鍜?/span>DTS銆?/span>

涓婅妭浠嬬粛榪囷紝ES棣栧厛闇鎵撳寘鎴怭ES嫻佸寘錛岀劧鍚嶱ES鏍規嵁闇瑕佹墦鍖呮垚PS鎴朤S鍖呰繘琛屽瓨鍌ㄦ垨浼犺緭銆傚叾姣忚礬ES鍙寘鍚竴璺俊婧愮殑緙栫爜鏁版嵁嫻侊紝鎵浠ユ瘡璺疨ES涔熷彧鍖呭惈鐩稿搴斾俊婧愮殑鏁版嵁嫻併?/p>

瀵筆S嫻佽岃█錛屾瘡涓狿ES鍖呭ご鍚湁PTS鍜孌TS錛屾祦璇嗗埆鐮侊紝鐢ㄤ簬鍖哄埆涓嶅悓鎬ц川ES銆傜劧鍚庨氳繃PS澶嶇敤鍣ㄥ皢PES鍖呭鐢ㄦ垚PS鍖呫傚疄闄呬笂鏄皢PES鍖呭垎瑙d負鏇寸粏灝忕殑PS鍖呫傚湪瑙g爜鐨勬椂鍊欙紝瑙e鐢ㄥ櫒灝哖S鍒嗚В鎴愪竴涓釜PES鍖咃紝鎷嗗寘鍣ㄧ劧鍚庡皢PES鍖呮媶鎴愯棰戝拰闊抽鐨凟S錛屾渶鍚庤緭鍏ヨ嚦鍚勮嚜瑙g爜鍣ㄨ繘琛岃В鐮併備竴涓棶棰樻槸錛氬悇涓狤S鍦ㄨВ鐮佹椂錛屽浣曚繚璇佽闊抽鐨勫悓姝ュ憿錛熼櫎浜哖TS鍜孌TS鐨勯厤鍚堝伐浣滃錛岃繕鏈変竴涓噸瑕佺殑鍙傛暟鏄疭CR(system clock reference)銆傚湪緙栫爜鐨勬椂鍊欙紝PTS錛孌TS鍜孲CR閮芥槸鐢盨TC(system time clock)鐢熸垚鐨勶紝鍦ㄨВ鐮佹椂錛孲TC浼氬啀鐢燂紝騫墮氳繃閿佺浉鐜礬錛圥LL錛峱hase lock loop錛夛紝鐢ㄦ湰鍦癝CR鐩鎬綅涓庤緭鍏ョ殑鐬椂SCR鐩鎬綅閿佺浉姣旇緝錛屼互紜畾瑙g爜榪囩▼鏄惁鍚屾錛岃嫢涓嶅悓姝ワ紝鍒欑敤榪欎釜鐬椂SCR璋冩暣27MHz鐨勬湰鍦版椂閽熼鐜囥傛渶鍚庯紝PTS錛孌TS鍜孲CR涓璧烽厤鍚堬紝瑙e喅瑙嗛煶棰戝悓姝ユ挱鏀劇殑闂銆侾S鏍煎紡鎽樺綍濡備笅錛?/p>


PS鍖呯殑闀垮害姣旇緝闀夸笖鍙彉錛屼富瑕佺敤浜庢棤璇爜鐜閲岋紝鍥犱負瓚婇暱鐨勮瘽錛屽悓姝ヨ秺鍥伴毦錛屼笖鍦ㄤ涪鍖呯殑鎯呭喌涓嬶紝閲嶇粍涔熻秺鍥伴毦銆傛墍浠ワ紝PS閫傚悎浜庤妭鐩俊鎭殑緙栬緫鍜屾湰鍦板唴瀹瑰簲鐢ㄧ殑application銆?/p>

TS嫻佷篃鏄敱涓涓垨澶氫釜PES緇勫悎鑰屾潵鐨勶紝浠栦滑鍙互鍏鋒湁鐩稿悓鐨勬椂闂村熀鍑嗭紝涔熷彲浠ヤ笉鍚屻傚叾鍩烘湰鐨勫鐢ㄦ濇兂鏄紝瀵瑰叿鏈夌浉鍚屾椂闂村熀鍑?font color=#000000>鐨勫涓狿ES鐜拌繘琛岃妭鐩鐢?/font>錛岀劧鍚庡啀瀵圭浉浜掓湁鐙珛鏃墮棿鍩哄噯鐨勫悇涓狿S榪涜浼犺緭澶嶇敤錛屾渶緇堜駭鐢熷嚭TS銆?/font>
 
TS鍖呯敱鍖呭ご鍜屽寘鏁版嵁2閮ㄥ垎緇勬垚錛屽叾涓寘澶磋繕鍙互鍖呮嫭鎵╁睍鐨勮嚜閫傜敤鍖恒傚寘澶撮暱搴﹀崰4bytes錛岃嚜浣跨敤鍖哄拰鍖呮暟鎹叡鍗?84bytes錛屾暣涓猅S鍖呴暱搴︾浉褰撲簬4涓狝TM鍖呴暱銆?span style="FONT-SIZE: 10.5pt; COLOR: black; FONT-FAMILY: 藥胎">TS鍖呯殑鍖呭ご鐢卞涓嬪浘鎽樺綍鎵紺虹殑鍚屾瀛楄妭銆佷紶杈撹鐮佹寚紺虹銆佹湁鏁堣澆鑽峰崟鍏冭搗濮嬫寚紺虹銆佷紶杈撲紭鍏堛佸寘璇嗗埆錛?/span>PID-Packet Identification錛夈佷紶杈撳姞鎵版帶鍒躲佽嚜閫傚簲鍖烘帶鍒跺拰榪炵畫璁℃暟鍣?/span>8涓儴鍒嗙粍鎴愩?/span>

 

鍏朵腑錛屽彲鐢ㄥ悓姝ュ瓧鑺備綅涓茬殑鑷姩鐩稿叧鐗規э紝媯嫻嬫暟鎹祦涓殑鍖呴檺鍒訛紝寤虹珛鍖呭悓姝ワ紱浼犺緭璇爜鎸囩ず絎︼紝鏄寚鏈変笉鑳芥秷闄よ鐮佹椂錛岄噰鐢ㄨ鐮佹牎姝hВ鐮佸櫒鍙〃紺?/span>1bit 鐨勮鐮侊紝浣嗘棤娉曟牎姝o紱鏈夋晥杞借嵎鍗曞厓璧峰鎸囩ず絎︼紝琛ㄧず璇ユ暟鎹寘鏄惁瀛樺湪紜畾鐨勮搗濮嬩俊鎭紱浼犺緭浼樺厛錛屾槸緇?/span>TS鍖呭垎閰嶄紭鍏堟潈錛?/span>PID鍊兼槸鐢辯敤鎴風‘瀹氱殑錛岃В鐮佸櫒鏍規嵁PID灝?/span>TS涓婁粠涓嶅悓ES鏉ョ殑TS鍖呭尯鍒嚭鏉ワ紝浠ラ噸寤哄師鏉ョ殑ES錛涗紶杈撳姞鎵版帶鍒訛紝鍙寚紺烘暟鎹寘鍐呭鏄惁鍔犳壈錛屼絾鍖呭ご鍜岃嚜閫傚簲鍖烘案榪滀笉鍔犳壈錛涜嚜閫傚簲鍖烘帶鍒訛紝鐢?/span>2 bit琛ㄧず鏈夊惁鑷傚簲鍖猴紝鍗籌紙01錛夎〃紺烘湁鏈夌敤淇℃伅鏃犺嚜閫傚簲鍖猴紝錛?/span>10錛夎〃紺烘棤鏈夌敤淇℃伅鏈夎嚜閫傚簲鍖猴紝錛?/span>11錛夎〃紺烘湁鏈夌敤淇℃伅鏈夎嚜閫傚簲鍖猴紝錛?/span>00錛夋棤瀹氫箟錛涜繛緇鏁板櫒鍙PID鍖呬紶閫侀『搴忚鏁幫紝鎹鏁板櫒璇繪暟錛屾帴鏀剁鍙垽鏂槸鍚︽湁鍖呬涪澶卞強鍖呬紶閫侀『搴忛敊璇傛樉鐒訛紝鍖呭ご瀵?/span>TS鍖呭叿鏈夊悓姝ャ佽瘑鍒佹閿欏強鍔犲瘑鍔熻兘銆?/span>

    TS鍖呰嚜閫傚簲鍖虹敱鑷傚簲鍖洪暱銆佸悇縐嶆爣蹇楁寚紺虹銆佷笌鎻掑叆鏍囧織鏈夊叧鐨勪俊鎭拰濉厖鏁版嵁4閮ㄥ垎緇勬垚銆傚叾涓爣蹇楅儴鍒嗙敱闂存柇鎸囩ず絎︺侀殢鏈哄瓨鍙栨寚紺虹銆?/span>ES浼樺寲鎸囩ず絎︺?/span>PCR鏍囧織銆佹帴鐐規爣蹇椼佷紶杈撲笓鐢ㄦ暟鎹爣蹇椼佸師濮?/span>PCR鏍囧織銆佽嚜閫傚簲鍖烘墿灞曟爣蹇?/span>8涓儴鍒嗙粍鎴愩傞噸瑕佺殑鏄爣蹇楅儴鍒嗙殑PCR瀛楁錛屽彲緇欑紪瑙g爜鍣ㄧ殑27MHz鏃墮挓鎻愪緵鍚屾璧勬枡錛岃繘琛屽悓姝ャ傚叾榪囩▼鏄紝閫氳繃PLL錛岀敤瑙g爜鏃舵湰鍦扮敤PCR鐩鎬綅涓庤緭鍏ョ殑鐬椂PCR鐩鎬綅閿佺浉姣旇緝錛岀‘瀹氳В鐮佽繃紼嬫槸鍚﹀悓姝ワ紝鑻ヤ笉鍚屾錛屽垯鐢ㄨ繖涓灛鏃?/span>PCR璋冩暣鏃墮挓棰戠巼銆傚洜涓猴紝鏁板瓧鍥懼儚閲囩敤浜嗗鏉傝屼笉鍚岀殑鍘嬬緝緙栫爜綆楁硶錛岄犳垚姣忓箙鍥懼儚鐨勬暟鎹悇涓嶇浉鍚岋紝浣跨洿鎺ヤ粠鍘嬬緝緙栫爜鍥懼儚鏁版嵁鐨勫紑濮嬮儴鍒嗚幏鍙栨椂閽熶俊鎭垚涓轟笉鍙兘銆備負姝わ紝閫夋嫨浜嗘煇浜涳紙鑰岄潪鍏ㄩ儴錛?/span>TS鍖呯殑鑷傚簲鍖烘潵浼犻佸畾鏃朵俊鎭備簬鏄紝琚変腑鐨?/span>TS鍖呯殑鑷傚簲鍖猴紝鍙敤浜庢祴瀹氬寘淇℃伅鐨勬帶鍒?/span>bit鍜岄噸瑕佺殑鎺у埗淇℃伅銆傝嚜閫傚簲鍖烘棤欏諱即闅忔瘡涓寘閮藉彂閫侊紝鍙戦佸灝戜富瑕佺敱閫変腑鐨?/span>TS鍖呯殑浼犺緭涓撶敤鏃舵爣鍙傛暟鍐沖畾銆傛爣蹇椾腑鐨勯殢鏈哄瓨鍙栨寚紺虹鍜屾帴鐐規爣蹇楋紝鍦ㄨ妭鐩彉鍔ㄦ椂錛屼負闅忔満榪涘叆I甯у帇緙╃殑鏁版嵁嫻佹彁渚涢殢鏈鴻繘鍏ョ偣錛屼篃涓烘彃鍏ュ綋鍦拌妭鐩彁渚涙柟渚褲傝嚜閫傚簲鍖轟腑鐨勫~鍏呮暟鎹槸鐢變簬PES鍖呴暱涓嶅彲鑳芥濂借漿涓?/span>TS鍖呯殑鏁存暟鍊嶏紝鏈鍚庣殑TS鍖呬繚鐣欎竴灝忛儴鍒嗘湁鐢ㄥ閲忥紝閫氳繃濉厖瀛楄妭鍔犱互濉ˉ錛岃繖鏍峰彲浠ラ槻姝㈢紦瀛樺櫒涓嬫孩錛屼繚鎸佹葷爜鐜囨亽瀹氫笉鍙樸?/span>

鍓嶉潰3鑺傛葷粨浜哅PEG2 TS鐨勫熀鏈牸寮忥紝鍏朵腑鍖呮嫭PES錛孭S鍜孴S錛屼互鍙婄浉鍏沖瓧孌電殑浠嬬粛銆傞偅涔堜綔涓轟竴縐嶄紶杈撴祦錛孴S灝嗗唴瀹硅繘琛屾墦鍖?澶嶇敤錛岃鍏跺獟浣撳唴瀹瑰彉鎴怲S浼犺緭錛屽茍鏈緇堝湪瑙g爜绔В鐮併傜畝鍗曟潵鐪嬶紝TS鏄竴涓紶杈撳眰鐨勫崗璁爤錛屽畠鍙互鎵胯澆鍚勭鍐呭鐨勪紶杈擄紝姣斿MPEG錛學MV錛孒264錛岀敋鑷蟲槸IP錛岄偅涔堝叾涓殑浼犺緭瑙勮寖鏄浣曞畾涔夌殑鍛紵榪欎釜鍗蟲槸PSI錛堣妭鐩壒瀹氫俊鎭級瑕佸仛鐨勪簨鎯呫?/font>

PSI鐢卞洓寮犺〃鏋勬垚錛歅AT錛孭MT錛孋AT鍜孨IT錛岃繖鍥涘紶琛ㄥ垎鍒弿榪頒簡涓涓猅S鎵鍖呮嫭鐨勬墍鏈塃S嫻佺殑浼犺緭緇撴瀯銆傞鍏堢殑涓涓蹇墊槸錛孴S鏄互鍖呭艦寮忎紶鎾紝鍦ㄧ紪瑙g爜绔兘闇瑕佷互涓瀹氱殑鍖匢D鏉ユ爣璇員S嫻侀噷鎵胯澆鐨勫唴瀹癸紝姣斿錛孭AT琛ㄤ細瀛樺湪浜庝竴涓垨澶氫釜TS鍖呴噷錛屾墍浠ヨ鐢ㄤ竴涓壒鍒殑鍖匢D鏉ヨ〃紺猴紝鍙﹀錛屼笉鍚岀殑ES嫻佷篃闇瑕佷笉鍚岀殑鍖匢D鏉ユ爣璇嗐傛垜浠湁浜哖AT鍜孭MT榪欎袱縐嶈〃錛岃В鐮佸櫒灝卞彲浠ユ牴鎹甈ID錛屽皢TS涓婁粠涓嶅悓ES鏉ョ殑TS鍖呭尯鍒嗗嚭鏉ヨ繘琛岃В鐮併?/font>

TS鐨勮В鐮佸垎涓ゆ榪涜錛屽叾涓錛屾槸浠嶱ID涓?span class=566290807-13102006>0鐨凾S鍖呴噷錛岃В鏋愬嚭PAT琛紝鐒跺悗浠嶱AT琛ㄩ噷鎵懼埌鍚勪釜鑺傜洰婧愮殑PID錛屼竴鑸綾昏妭鐩簮閮界敱鑻ュ共涓狤S嫻佺粍鎴愶紝騫舵弿榪板湪PMT琛ㄩ噷闈紝鐒跺悗閫氳繃鑺傜洰婧愮殑PID錛屽氨鍙互鍦≒MT琛ㄩ噷媯绱㈠埌鍚勪釜ES鐨凱ID銆傚叾浜岋紝瑙g爜鍣ㄦ牴鎹甈MT琛ㄩ噷鐨凟S嫻佺殑PID錛屽皢TS嫻佷笂鐨勫寘榪涜鍖哄垎錛屽茍鎸変笉鍚岀殑ES嫻佽繘琛岃В鐮併傛墍浠ワ紝TS鏄粡榪囪妭鐩鐢ㄥ拰浼犺緭澶嶇敤涓ゅ眰瀹屾垚鐨勶紝鍗沖湪鑺傜洰澶嶇敤鏃訛紝鍔犲叆浜哖MT錛屽湪浼犺緭澶嶇敤鏃訛紝鍔犲叆浜哖AT銆傚悓鏍峰湪鑺傜洰瑙e鐢ㄦ椂錛屽彲浠ュ緱鍒癙MT錛屽湪浼犺緭瑙e鐢ㄦ椂錛屽彲浠ュ緱鍒癙AT銆備笅鍥懼緢濂藉湴姒傝堪浜嗗叾鎬濇兂銆?/span>

TS鏄敮鎸佸璺鐢ㄧ殑錛屾墍浠ュ畠鍙敤鏉ヤ紶杈撶粡澶嶇敤鍚庣殑澶氬眰鑺傜洰銆傚湪澶嶇敤榪囩▼涓紝瑕佹敞鎰忕殑鏄紝瑙g爜榪囩▼涓墍闇瑕侀潰瀵圭殑鏃墮棿鍙傝冨拰鍚屾闂錛屽洜涓鴻В澶嶇敤鏄渶瑕佸悇縐嶄俊鎭悓姝ヨ繘琛岀殑錛屾墍浠ュ湪澶嶇敤榪囩▼涓紝灝遍渶瑕佹彃鍏ョ浉鍏崇殑鏃墮棿淇℃伅錛歅TS錛孌TS錛孭CR銆?/p>

鍦═S褰㈡垚榪囩▼涓紝PTS鍜孌TS鏄湪ES鎵撳寘鎴怭ES鏃訛紝鏍規嵁STC鐨勫弬鑰冿紝灝嗗叾鏃墮挓淇℃伅娉ㄥ叆PES鍖呬腑鐨勶紝鑰屼箣鍚庡湪PES鍒囨垚TS鏃訛紝鍐嶅皢PID鍜孭CR淇℃伅娉ㄥ叆鍒癟S鍖呬腑錛屽綋澶氳礬TS鍐嶈繘琛屽鐢ㄧ殑鏃跺欙紝鍚勮礬TS鐨凱CR灝嗕細琚彁鍙栧嚭鏉ワ紝鍐嶈繘琛屽垎鏋愶紝鐒跺悗鍐嶆牴鎹粺涓鐨凷TC鍙傝冿紝灝嗘柊鐨凱CR鐢熸垚騫舵敞鍏ュ埌TS涓幓錛屾渶鍚庯紝鍥犱負鍘熸潵PAT琛ㄤ俊鎭笉鍦ㄩ傜敤錛屾墍浠ユ柊鐨凱AT琛ㄩ渶瑕佸啀鐢熸垚錛屽茍闄勫姞鍒版柊鐨凾S嫻佷腑鍘匯傜粡榪囪繖澶氬眰鐨勫鐢ㄤ箣鍚庯紝鏂扮殑TS嫻佸嵆鍙互榪涘叆璋冨埗錛屼紶杈撻樁孌點傝繃紼嬪彲鍙傝涓嬪浘錛?/p>


瑙g爜榪囩▼瑕侀潰瀵圭殑闂鏄細瑙e鐢紝瑙嗛煶棰戠殑鍚屾錛岃В鐮佺紦瀛樺櫒鏃犱笂涓嬫孩銆傝В澶嶇敤鍗蟲槸灝員S鍦ㄥ悓涓淇¢亾閲屼笉鍚屾椂搴忚繘琛屼紶杈撶殑鑺傜洰鍒嗙鍑烘潵錛涜闊抽鍚屾鐢盌TS, PTS鍜孭CR涓夎呭崗璋冨畬鎴愶紝騫朵笖PCR鏄噸寤虹郴緇熸椂闂村熀鍑嗙殑緇濆鏃舵爣錛岃孌TS鍜孭TS鏄В鐮佸拰閲嶇幇鏃跺埢鐨勭浉瀵規椂鏍囷紱瀵硅В鐮佺紦瀛樺櫒鏃犱笂涓嬫孩鐨勯棶棰橈紝蹇呴』鍊熷姪浜庣郴緇熺洰鏍囪В鐮佸櫒錛圫TD錛夋ā鍨嬫潵瀵瑰叾榪涜瀹炵幇錛屽熀鏈濇兂濡備笅錛?/p>

  1. TS嫻佽繘鍏ヨВ鐮佸櫒鍚庯紝棣栧厛鐢辨崲鍚戝櫒錛屾寜鐓т竴瀹氱殑鏃跺簭鍏崇郴錛屽皢鍚勭ES嫻佸垎瑙e嚭鏉ワ紙鍏朵腑涔熷寘鎷琍SI淇℃伅嫻侊級銆?
  2. 鍒嗚В榪囧悗鐨凟S嫻佷細榪涘叆鍚勮嚜鐨勪紶杈撶紦瀛樺櫒錛岄氳繃涔嬪悗錛屽叾PES嫻佽繘鍏ュ悇鑷殑涓誨瓨鍌ㄥ櫒錛屾敞鎰忕殑鏄細PSI淇℃伅嫻佷細榪涘叆緋葷粺緙撳瓨鍣紝鏈鍚庝篃鍒拌揪涓誨瓨鍌ㄥ櫒銆?
  3. 鏈鍚庯紝瑙g爜鍣ㄦ牴鎹瓺TS淇℃伅錛屼粠鍚勪釜涓誨瓨鍌ㄥ櫒鍒嗗埆鎻愬彇濯掍綋鎴栫郴緇熶俊鎭紝榪涜瑙g爜錛屽茍鏍規嵁PTS淇℃伅錛屽皢濯掍綋鍐呭榪涜鏄劇ず澶勭悊銆?/li>

鍏惰繃紼嬪彲鍙傝涓嬪浘錛?/p>


 鍘熸枃鍦板潃 http://blog.lmtw.com/b/moreframe/archives/2006/40865.html

鍙跺瓙 2009-03-05 17:04 鍙戣〃璇勮
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ProCoder 3涓嶈兘姝e父鍚姩鐨勫師鍥?/title><link>http://www.shnenglu.com/elva/archive/2009/02/20/74449.html</link><dc:creator>鍙跺瓙</dc:creator><author>鍙跺瓙</author><pubDate>Fri, 20 Feb 2009 11:57:00 GMT</pubDate><guid>http://www.shnenglu.com/elva/archive/2009/02/20/74449.html</guid><wfw:comment>http://www.shnenglu.com/elva/comments/74449.html</wfw:comment><comments>http://www.shnenglu.com/elva/archive/2009/02/20/74449.html#Feedback</comments><slash:comments>2</slash:comments><wfw:commentRss>http://www.shnenglu.com/elva/comments/commentRss/74449.html</wfw:commentRss><trackback:ping>http://www.shnenglu.com/elva/services/trackbacks/74449.html</trackback:ping><description><![CDATA[<br> <table style="TABLE-LAYOUT: fixed"> <tbody> <tr> <td> <div id="hvzpftn" class=cnt id=blog_text> <p>鏈夌殑緗戝弸瀹夎ProCoder 3鍚庯紝鍙互鍚姩錛屽彲浠ユ甯鎬嬌鐢紝鏈夌殑緗戝弸瀹夎ProCoder 3鍚庯紝涓嶈兘鍚姩錛屾棤娉曚嬌鐢ㄣ傜┒绔熶負浠涔堜細鍑虹幇涓ょ涓嶅悓鐨勬儏鍐靛憿錛熺粡榪囧嚑澶╁ProCoder 3澶氭榪涜瀹夎鍗歌澆銆佸嵏杞藉畨瑁呯殑璇曢獙錛岀粓浜庢壘鍒頒簡浜х敓闂鐨勫師鍥狅細涓庡畨瑁匛DIUS4錛?.5鎴?.51錛夊悗閲囩敤鐨勭牬瑙f柟娉曟湁鐩存帴鍏崇郴銆?/p> <p>EDIUS4錛?.5鎴?.51錛夌殑鐮磋В鏂規硶鏈変袱縐嶏細絎竴縐嶆柟娉曟槸榪愯Canopus.Edius.4.xcrack.exe瑙i櫎30澶╃殑浣跨敤闄愬埗錛涚浜岀鏂規硶鏄皢1.5KB鐨刾avedius.dll錛?006-8-15 16:26錛夊鍒跺埌windows\system32涓鐩栧師鏂囦歡瑙i櫎30澶╃殑浣跨敤闄愬埗銆?/p> <p>閲囩敤絎竴縐嶆柟娉曠牬瑙e悗錛?windows\system32涓璸avedius.dll鐨勫ぇ灝忎負48KB錛屽湪榪欑鎯呭喌涓嬪畨瑁匬roCoder 3鍚庯紝windows\system32涓璸avedius.dll鐨勫ぇ灝忎粛涓?8KB錛孭roCoder 3娌℃湁鐮磋В錛屾墍浠ヤ笉鑳藉惎鍔紝瑕佹兂璁㏄roCoder 3鍚姩錛屽氨蹇呴』灝?.5KB鐨刾avedius.dll錛?006-8-15 16:26錛夊鍒跺埌windows\system32涓鐩栧師鏂囦歡鎵嶈銆傚鏋滀綘瀹夎EDIUS4錛?.5鎴?.51錛夊悗閲囩敤浜嗙涓縐嶇牬瑙f柟娉曪紝閭d箞浣犲畨瑁匬roCoder 3鍚庡氨浼氶亣鍒伴夯鐑︼紝鍚姩涓嶈搗鏉ャ傛湰浜哄氨灞炰簬榪欑鎯呭喌銆?/p> <p>閲囩敤絎簩縐嶆柟娉曠牬瑙e悗錛寃indows\system32涓殑pavedius.dll涓?.5KB錛屽湪榪欑鎯呭喌涓嬪畨瑁匬roCoder 3鍚庯紝windows\system32涓璸avedius.dll鐨勫ぇ灝忓彉涓?.5KB錛孭roCoder 3宸茶鐮磋В錛屾墍浠ュ畨瑁呭悗灝卞彲鍚姩浣跨敤銆傚鏋滀綘瀹夎EDIUS4錛?.5鎴?.51錛夊悗閲囩敤浜嗙浜岀鐮磋В鏂規硶錛岄偅涔堜綘灝卞垢榪愪簡錛屽畨瑁呬笂ProCoder 3鍚庡氨鑳戒嬌鐢ㄣ?/p> <p>ProCoder 3涓巔avedius.dll鍏崇郴瀵嗗垏, ProCoder 3瀹夎鍚庯紝褰搘indows\system32涓垨ProCoder 3鐨勫畨瑁呯洰褰曚腑鐨刾avedius.dll涓?.5KB鎴?.5KB鏃訛紝ProCoder 3鍙互鍚姩錛屾甯鎬嬌鐢ㄣ傚綋windows\system32鎴朠roCoder 3瀹夎鐩綍涓殑pavedius.dll涓?8KB鎴?6KB鏃訛紝ProCoder 3灝變笉鑳藉惎鍔紝鏃犳硶浣跨敤銆傝孭roCoder 2鍚宲avedius.dll鐨勫叧緋諱笌ProCoder 3鍗存湁鎵涓嶅悓銆傚綋windows\system32涓殑pavedius.dll涓?8KB鎴?6KB鏃訛紝浣犲氨鍒兂瀹夎涓奝roCoder 2錛屼細鎻愮ず紜洏絀洪棿涓嶈凍鏃犳硶瀹夎銆傚繀欏誨皢pavedius.dll鍒犻櫎錛屾垨灝唒avedius.dll鏇挎崲涓?.5KB鎴?.5KB鍚庢墠鑳藉畨瑁呫侾roCoder 2瀹夎涓婁互鍚庯紝windows\system32涓湁鏃爌avedius.dll浠ュ強pavedius.dll鐨勫ぇ灝忛兘涓嶅獎鍝嶅畠姝e父浣跨敤銆?/p> <p>ProCoder 3涓嶱roCoder 2鍙互鍏卞瓨銆?br>鍦ㄧ數鑴戜腑娌℃湁瀹夎榪嘐DIUS銆佹垨windows\system32涓病鏈塸avedius.dll鐨勬儏鍐典笅錛?ProCoder 3瀹夎鍚庤偗瀹氬彲浠ユ甯鎬嬌鐢ㄣ傝繖鏃?windows\system32涓殑pavedius.dll涓?.5KB(007-3-27 0:00)錛屾槸鐢卞畨瑁?ProCoder 3鐢熸垚鐨勩?/p> <br>浣滆呰繛鎺?http://hi.baidu.com/home027/blog/item/9ec62bfaf1ad90d9b58f31b0.html<br></div> </td> </tr> </tbody> </table> <img src ="http://www.shnenglu.com/elva/aggbug/74449.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.shnenglu.com/elva/" target="_blank">鍙跺瓙</a> 2009-02-20 19:57 <a href="http://www.shnenglu.com/elva/archive/2009/02/20/74449.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>綺捐ВPSI-SI錛堜竴錛?http://www.shnenglu.com/elva/archive/2008/11/12/66733.html鍙跺瓙鍙跺瓙Wed, 12 Nov 2008 09:51:00 GMThttp://www.shnenglu.com/elva/archive/2008/11/12/66733.htmlhttp://www.shnenglu.com/elva/comments/66733.htmlhttp://www.shnenglu.com/elva/archive/2008/11/12/66733.html#Feedback1http://www.shnenglu.com/elva/comments/commentRss/66733.htmlhttp://www.shnenglu.com/elva/services/trackbacks/66733.html

Packet鐨勬蹇?/p>

 (1)TS嫻佹槸鍩轟簬Packet鐨勪綅嫻佹牸寮?姣忎釜鍖呮槸188瀛楄妭鎴栬?04瀛楄妭(涓鑸槸188瀛楄妭,204瀛楄妭鐨勬牸寮忎粎浠呮槸鍦?88瀛楄妭鐨凱acket鍚庨儴鍔犱笂16瀛楄妭鐨凜RC鏁版嵁,鍏朵粬鏍煎紡鏄竴鏍風殑),鏁翠釜TS嫻佺粍鎴愬涓嬫墍紺?    

  Packet     Packet    ......    Packet n

鍦ㄥ疄闄呬嬌鐢ㄤ腑,鍥犱負TS嫻佸凡緇忓唴閮ㄥ叿鏈夊緢寮虹殑閿欒澶勭悊鑳藉姏,鎵浠ヤ竴鑸嬌鐢ㄨ緝澶氱殑鏄?88瀛楄妭涓涓寘鐨勬牸寮?204瀛楄妭涓涓寘鐨勬牸寮忔嵁璇翠竴鑸湪楂樻竻鑺傜洰涓嬌鐢ㄨ緝澶?

 鎵鏈夌殑Packet鏍煎紡閮芥槸緇熶竴鐨?鍖呮嫭涓涓狿acket header鍜孭acket datas.鍏朵腑Packet header鍖呭惈浜嗗悓姝ュ瓧鑺?璇ュ瓧鑺傚浐瀹氭槸0x47,琛ㄧず榪欎釜鍖呯殑鏁版嵁寮濮嬫槸姝g‘鐨?,璇acket鐨勫敮涓鍙風爜(鍗砅ID)鍜屽叾浠栦竴浜涗俊鎭?鏍煎紡濡備笅(鐢–鏍煎紡琛ㄧず)

typedef struct

{

 unsigned sync_byte:8;

 unsigned transport_error_indicator:1;

 unsigned payload_unit_start_indicator:1;

 unsigned transport_priority:1;

 unsigned PID:13;

 unsigned transport_scrambling_control:2;

 unsigned adaptation_field_control:2;

 unsigned continuity_counter:4;

}PACKET_HEADER;

浠ヤ笂緇撴瀯鍒氬ソ鍗犵敤32 bits,鍗?涓瓧鑺?鍥犳涓涓猅S嫻佺殑Packet澶撮儴鐨?瀛楄妭鏄痟eader淇℃伅,鍒嗘瀽璇eader淇℃伅灝卞彲浠ョ煡閬撳綋鍓峆acket鐨勫睘鎬?u>.鍓╀笅鐨?/u>184瀛楄妭鏈夊彲鑳芥槸Video鏁版嵁,涔熸湁鍙兘鏄疉udio鏁版嵁,涔熸湁鍙兘鏄疍VB SI淇℃伅,鎬?nbsp;涔堝尯鍒嗗憿?鍏跺疄寰堢畝鍗?灝辨槸鍒╃敤header涓殑PID淇℃伅.涓婁竴绔犺浜哖AT鏄妭鐩叧鑱旇〃,瀹冪殑PID鏄?x0000.榪欎釜PID灝辨槸瀵瑰簲榪欓噷 header鐨凱ID.鎹㈠彞璇濆氨鏄,濡傛灉鎴戜滑鍙戠幇涓涓狿acket鐨凱ID絳変簬0x0000,閭d箞璇存槑榪欎釜Packet鏄疍VB鐨凱AT琛ㄦ牸鑰屼笉鏄?nbsp;Video鏁版嵁鎴栬匒udio鏁版嵁.

瀹?nbsp;闄呬笂,鍦ㄤ俊鍙風紪鐮佹垚TS鐮佹祦鐨勬椂鍊?涓嶅悓鑺傜洰鐨刅ideo,Audio絳夋暟鎹兘鍒嗛厤浜嗕笉鍚岀殑PID.渚嬪,涓涓妭鐩湁涓よ礬Video,涓夎礬Audio,閭?nbsp;涔堝垎閰峆ID鐨勬椂鍊欏彲鑳芥槸Video 1==0x100,Video 2==0x101,Audio 1==0x102,Audio 2==0x103, Audio 3==0x104,榪欐牱浼犺緭鐨凾S鐮佹祦涓殑PID灝卞彲鑳芥湁浠ヤ笂鐨凱ID.鍥犳,濡傛灉鎴戜滑闇瑕佸湪紼嬪簭涓繃婊ゅ嚭絎竴璺疺ideo鍜岀浜岃礬 Audio灝卞彲浠ヨ繖鏍峰鐞嗕簡(浼唬鐮佹弿榪?:

 void Process_Packet(unsigned char*buff)

 {

  int PID=GETPID(buff);

  if(PID==0x100) 

  {

   SaveToVideoBuffer(buff+4);

  }

  else if(PID==0x103)

  {

   SaveToAudioBuffer(buff+4);

  }

  else

  {

   printf("unknown PID!"n");

    

 }

鐜?nbsp;鍦ㄧ殑闂鏄?緙栫爜鐨勬椂鍊欏垎閰嶅ソ鐨凱ID,鍦ㄨВ鐮佺殑鏃跺欐槸鎬庝箞鐭ラ亾浠涔圥ID瀵瑰簲浠涔堟暟鎹憿?榪欏氨鏄疍VB SI琛ㄦ牸鐨勫垎鏋愪笌澶勭悊浜?璇峰弬鑰冪涓夌珷.榪欓噷鍏?nbsp;鐪嬩竴涓疄闄呯殑TS鐮佹祦鐨勪緥瀛?榪欓噷鐨勬暟鎹槸鐢║ltraEdit鐢?6榪涘埗鏍煎紡鎵撳紑TS鐮佹祦鏂囦歡寰楀埌鐨?鏂囦歡鏄疶aiwan-551.ts.

榪?nbsp;閲屼粎浠呮埅鍙栦簡3涓狿acket鐨勪俊鎭?璇鋒敞鎰忓浘涓敤綰㈣壊鏍囨敞鐨勯儴鍒?榪欏氨鏄疶S嫻丳acket鐨?涓瓧鑺傜殑澶翠俊鎭?榪欎釜TS嫻佹槸閲囩敤姣忎釜鍖呭叡188瀛楄妭鐨?nbsp;鏍煎紡,鍥犱負涓や釜澶翠俊鎭殑闂撮殧鏄?88涓瓧鑺?絎竴涓?x47鍒扮浜屼釜0x47鐨勯棿闅?.浠ュ悗鐨勬墍鏈夌殑Packet閮藉皢鏄?88瀛楄妭鐨勬牸寮?榪欐槸 DVB TS鏍囧噯瑙勫畾鐨勫浐瀹氬ぇ灝?閭d箞榪欎笁涓寘鍒嗗埆鍖呭惈鐨勬槸浠涔堟暟鎹?涓嬮潰鎴戜滑鍙互鑷繁鍒嗘瀽涓涓?

 鍏?nbsp;鐪嬬涓涓寘,澶翠俊鎭暟鎹槸"0x47 0x07 0xe5 0x12",鍒氭墠宸茬粡鐭ラ亾浜?header淇℃伅閮芥槸鎸変綅鎿嶄綔鐨?榪欏氨鏄負浠涔圱S鐮佹祦涔熷彲浠ュ彨 鍋氫綅嫻佺殑鍘熷洜),鐗瑰埆瑕佹敞鎰忕殑鏄畾涔夊拰浼犺緭鐨勬椂鍊欓兘鏄疢SB first,涔熷氨鏄,鍏堝嚭鐜扮殑浣嶆槸鏁版嵁鐨勬渶楂樹綅.鍏堣漿鍖栨垚2榪涘埗鏍煎紡:

 01000111 00000111 11100101 00010010

璇峰鐓т笂闈㈢殑PACKET_HEADER緇撴瀯:

typedef struct

{

 unsigned sync_byte:8;

 unsigned transport_error_indicator:1;

 unsigned payload_unit_start_indicator:1;

 unsigned transport_priority:1;

 unsigned PID:13;

 unsigned transport_scrambling_control:2;

 unsigned adaptation_field_control:2;

 unsigned continuity_counter:4;

}PACKET_HEADER;

閭d箞瀵圭収涓涓?鎴戜滑鍙互鍙戠幇:

 sync_byte=01000111,灝辨槸0x47,榪欐槸DVB TS瑙勫畾鐨勫悓姝ュ瓧鑺?鍥哄畾鏄?x47.

 transport_error_indicator=0,琛ㄧず褰撳墠鍖呮病鏈夊彂鐢熶紶杈撻敊璇?

 payload_unit_start_indicator=0,鍚箟璇峰弬鑰僆SO13818-1鏍囧噯鏂囨。

 transport_priority=0,琛ㄧず褰撳墠鍖呮槸浣庝紭鍏堢駭.

 PID=00111 11100101鍗?x07e5,榪欎唬琛ㄦ槸浠涔堝憿,鏆傛椂榪樹笉鐭ラ亾(瀹為檯涓婃槸Video PID,鍙傝冧笅鍥?

 transport_scrambling_control=00,琛ㄧず鑺傜洰娌℃湁鍔犲瘑

 adaptation_field_control=01鍗?x01,鍏蜂綋鍚箟璇峰弬鑰僆SO13818-1

 continuity_counte=0010鍗?x02,琛ㄧず褰撳墠浼犻佺殑鐩稿悓綾誨瀷鐨勫寘鏄3涓?/p>

渚濇綾繪帹,鍐嶇湅涓涓嬬浜屼釜鍖?0x47 0x07 0xe5 0x13",2榪涘埗鏄?1000111 00000111 11100101 00010011

 sync_byte=01000111,灝辨槸0x47,榪欐槸DVB TS瑙勫畾鐨勫悓姝ュ瓧鑺?鍥哄畾鏄?x47.

 transport_error_indicator=0,琛ㄧず褰撳墠鍖呮病鏈夊彂鐢熶紶杈撻敊璇?

 payload_unit_start_indicator=0,鍚箟璇峰弬鑰僆SO13818-1鏍囧噯鏂囨。

 transport_priority=0,琛ㄧず褰撳墠鍖呮槸浣庝紭鍏堢駭.

 PID=00111 11100101鍗?x07e5,榪欎唬琛ㄦ槸浠涔堝憿,鏆傛椂榪樹笉鐭ラ亾(瀹為檯涓婃槸Video PID,鍙傝冧笅鍥?

 transport_scrambling_control=00,琛ㄧず鑺傜洰娌℃湁鍔犲瘑

 adaptation_field_control=01鍗?x01,鍏蜂綋鍚箟璇峰弬鑰僆SO13818-1

 continuity_counte=0011鍗?x03,琛ㄧず褰撳墠浼犻佺殑鐩稿悓綾誨瀷鐨勫寘鏄4涓?娉ㄦ剰鍒頒簡鍚?浠ヤ笂涓や釜鍖呯殑PID閮芥槸0x07e5,鎵浠ヨ繖閲岀殑continuity_counte灝遍掑涓嬈?

絎笁涓寘鏄?0x47 0x07 0xf1 0x18",2榪涘埗鏄?1000111 00000111 11110001 00011000.

 sync_byte=01000111,灝辨槸0x47,榪欐槸DVB TS瑙勫畾鐨勫悓姝ュ瓧鑺?鍥哄畾鏄?x47.

 transport_error_indicator=0,琛ㄧず褰撳墠鍖呮病鏈夊彂鐢熶紶杈撻敊璇?

 payload_unit_start_indicator=0,鍚箟璇峰弬鑰僆SO13818-1鏍囧噯鏂囨。

 transport_priority=0,琛ㄧず褰撳墠鍖呮槸浣庝紭鍏堢駭.

 PID=00111 11100101鍗?x07f1,榪欎唬琛ㄦ槸浠涔堝憿,鏆傛椂榪樹笉鐭ラ亾(瀹為檯涓婃槸Audio PID,鍙傝冧笅鍥?

 transport_scrambling_control=00,琛ㄧず鑺傜洰娌℃湁鍔犲瘑

 adaptation_field_control=01鍗?x01,鍏蜂綋鍚箟璇峰弬鑰僆SO13818-1

 continuity_counte=1000鍗?x08,琛ㄧず褰撳墠浼犻佺殑鐩稿悓綾誨瀷鐨勫寘鏄9涓?/p>

璇風湅瑙g爜紼嬪簭<<Seekfor MPEG-2 decoder>>璇誨彇璇ユ枃浠剁殑緇撴灉:

 

涓婂浘鎴戜滑鍙互鍙戠幇,Taiwan-551.ts鏈変竴涓妭鐩彨"DIMO",瀹冪殑Video PID鏄?x07e5,Audio PID鏄?x07e6

榪樻湁涓涓妭鐩彨"Service 1",娌℃湁Video PID,瀹冪殑Audio PID鏄?x07f1(璇存槑鏄竴涓箍鎾妭鐩岄潪鐢佃鑺傜洰)

榪欎釜鏁版嵁鍒氬ソ鍜屾垜浠垰鎵嶇殑鍒嗘瀽鏄惢鍚堢殑.

浣?nbsp;鏄垜鎯沖ぇ瀹惰繕鏈夌枒闂?涓轟粈涔?x07e5浠h〃Video PID,0x07e6浠h〃鍏朵腑涓涓狝udio PID鍛?榪欏氨鏄垰鎵嶆彁鍒扮殑,榪欐槸TS嫻佸湪緙栫爜鐨?nbsp;鏃跺欏氨鍒嗛厤濂戒簡鐨?浣嗘槸,鍦ㄨВ鐮佺殑鏃跺欐槸鎬庝箞鐭ラ亾0x07e5灝變唬琛ㄧ殑鏄疺ideo鑰屼笉鏄疉udio鍛?



鍙跺瓙 2008-11-12 17:51 鍙戣〃璇勮
]]>綺捐ВPSI-SI錛堜簩錛?http://www.shnenglu.com/elva/archive/2008/11/12/66734.html鍙跺瓙鍙跺瓙Wed, 12 Nov 2008 09:51:00 GMThttp://www.shnenglu.com/elva/archive/2008/11/12/66734.htmlhttp://www.shnenglu.com/elva/comments/66734.htmlhttp://www.shnenglu.com/elva/archive/2008/11/12/66734.html#Feedback0http://www.shnenglu.com/elva/comments/commentRss/66734.htmlhttp://www.shnenglu.com/elva/services/trackbacks/66734.html

DVB SI/PSI鍒嗘瀽鍜屽鐞?/p>

 

SI鏄疭pecific Information鐨勭畝縐?PSI鏄痯rogram Specific Information錛庤鏈哄埗鍏佽錛わ級錛紶閫佸悇縐嶅悇鏍風殑璁伅錛屾瘮濡傝妭鐩悕縐幫紝鐢佃鍙板悕縐幫紝鍚勭錛幫緝錛わ紝縐佹湁淇℃伅錛岀敋鑷沖崟鐙紶閫佹暟鎹疄鐜版暟鎹氫俊絳夛紟榪欎簺鍔熻兘鐨勫疄鐜伴兘褰掑姛浜嶴I/PSI.

 鍦―VB 鏍囧噯涓紝瀹氫箟浜嗕竴涓爣鍑嗙殑PID鐢ㄦ潵瀹炵幇SI/PSI.榪欎簺PID鏄郴緇熶繚鐣欑殑錛屽洜姝わ激錛訛饑緙栫爜鐨勬椂鍊欏茍涓嶄細鐢ㄨ繖浜涳及錛╋激鍋氫負Video PID鎴栬?nbsp;Audio PID鎴栬呭叾浠栵及錛╋激錛庡湪涓涓畝鍗曠殑瑙e鐢ㄧ▼搴忎腑錛屽彧闇瑕佹彁渚涘鐞哖AT,PMT琛ㄦ牸鐨勭▼搴忓嵆鍙疄鐜拌В澶嶇敤錛屽綋鐒跺鏋滈渶瑕佹洿鍙嬪ソ鐨勭晫闈㈠拰瀹炵幇 鏇村鏉傜殑鍔熻兘錛堝錛o肌錛夊垯蹇呴』澶勭悊鍏朵粬鐨勶汲錛╄〃錛庡湪榪欓噷浠呬粎鍒嗘瀽PAT,PMT,SDT琛ㄦ牸錛屽叾浠朣I琛ㄦ牸鐨勫垎鏋愶紝璇峰弬鑰僆SO13818-1(MPEG-2緋葷粺灞傛爣鍑?鍜孍N300468(DVB SI鏍囧噯)鏂囨。錛?/p>

 DVB瀹氫箟鐨凷I淇濈暀鐨凱ID鍒嗗埆鏄?

  

涓婅〃鏍肩殑PID灝辨槸錛わ級錛繚鐣欑殑錛幫緝錛わ紝鍒嗛厤鐨勫叾浠栵及錛╋激涓瀹氫笉浼氬崰鐢ㄨ繖浜涳及錛╋激錛庤В澶嶇敤紼嬪簭闇瑕佷嬌鐢ㄥ埌鐨勮〃鏍煎彧鏈塒AT,PMT,SDT,鑰岋跡錛″簲鐢ㄨ繕闇瑕佷嬌鐢–AT,EPG搴旂敤榪橀渶瑕佷嬌鐢∟IT,EIT,TDT,TOT絳夎〃鏍?鎵浠ュ湪闇瑕佽В澶嶇敤鐨勬椂鍊欙紝浼唬鐮侀渶瑕佽繖鏍峰啓:

  void Process_Packet(unsigned char*buff)

  {

   int PID=GETPID(buff);

   if(PID==0x0000) 

   {

    Process_PAT(buff+4);

   }

   else if(PID==......)

   {

   }

   else

   {

    printf("Unknown PID!");

   }

  }

 鎵 鏈夌殑琛ㄦ牸閮藉紑濮嬩簬Packet涓殑184瀛楄妭鐨勬暟鎹儴鍒嗭紝浣嗘湁鐨勬椂鍊欎竴涓〃鏍兼病鏈?84瀛楄妭錛岃繖鏃跺湪Packet涓氨鍙兘鎻掑叆涓浜涙棤鏁堜俊鎭敤鏉ュ~鍏呬嬌鏁翠釜 Packet渚濈劧淇濇寔鏄?88瀛楄妭錛庝篃鍙兘鐢ㄥご淇℃伅涓殑payload_unit_start_indicator鏍囧織琛ㄦ牸鏈変釜鍋忕Щ浣嶇疆錛堝綋 payload_unit_start_indicator=0琛ㄧず琛ㄦ牸鏁版嵁鐩存帴浠嶱acket鍖虹殑絎洓涓瓧鑺傚紑濮嬶紝鍚﹀垯琛ㄧず鏈変竴涓亸縐婚噺浣嶇疆寮濮?鍏蜂綋 璇峰弬鑰僆SO13818-1,絎?瀛楄妭鍒板亸縐婚噺闂寸殑鏁版嵁鏄郴緇熷~鍏呯殑鏃犳晥鏁版嵁錛夛紟

 涓嬮潰閽堝瑙e鐢ㄧ▼搴忚緇嗗垎鏋愪竴涓婸AT,PMT鍜孲DT涓夌被琛ㄦ牸鐨勬牸寮忥紟

PAT, Program Association Table,鑺傜洰鍏寵仈琛?/p>

 PAT琛ㄦ惡甯︿互涓嬩俊鎭?

(1) TS嫻侊緝錛?-- transport_stream_id,璇ワ緝錛ゆ爣蹇楀敮涓鐨勬祦錛╋激

(2) 鑺傜洰棰戦亾鍙?- program_number,璇ュ彿鐮佹爣蹇楋即錛蟲祦涓殑涓涓閬擄紝璇ラ閬撳彲浠ュ寘鍚緢澶氱殑鑺傜洰(鍗沖彲浠ュ寘鍚涓猇ideo PID鍜孉udio PID)

(3) PMT鐨凱ID--- program_map_PID,琛ㄧず鏈閬撲嬌鐢ㄧ殑鍝釜PID鍋氫負PMT鐨勶及錛╋激錛屽洜涓哄彲浠ユ湁寰堝鐨勯閬擄紝鍥犳錛わ級錛㈣瀹歅MT鐨凱ID鍙互鐢辯敤鎴瘋嚜宸卞畾涔夛紟

PAT琛ㄥ畾涔夊涓?

 

鍚勫瓧孌靛惈涔夊涓?

 table_id:8 bits,鏍囧織鏈〃鏍肩殑綾誨瀷錛屽簲璇ユ槸0x00

 section_syntax_indicator:1 bit,孌佃娉曟爣蹇楋紝搴旇鏄?1'

 '0':鍥哄畾鐨?0'錛岃繖鏄負浜嗛槻姝㈠拰ISO13818Video嫻佹牸寮忎腑鐨勬帶鍒跺瓧鍐茬獊鑰岃緗殑錛?/p>

 Reserved:淇濈暀鐨?bits,淇濈暀浣嶄竴鑸兘鏄?0'

 section_length:12bits鐨勬澶у皬錛屽崟浣嶆槸Bytes.

 transport_stream_id:16bits鐨勫綋鍓嶆祦錛╋激錛岋激錛訛饑鍐呭敮涓.(浜嬪疄涓婂緢澶氶兘鏄嚜瀹氫箟鐨凾S ID)

 version_number:5bits鐗堟湰鍙風爜錛屾爣娉ㄥ綋鍓嶈妭鐩殑鐗堟湰錛庤繖鏄釜闈炲父鏈夌敤鐨勫弬鏁幫紝褰撴嫻嬪埌榪欎釜瀛楁鏀瑰彉鏃訛紝璇存槑錛達汲嫻佷腑鐨勮妭鐩凡緇忓彉鍖栦簡錛岀▼搴忓繀欏婚噸鏂版悳绱㈣妭鐩紟

 current_next_indicator:1bit:褰撳墠榪樻槸鏈潵浣跨敤鏍囧織絎?涓鑸儏鍐典笅涓?0'

 section_number:8bits褰撳墠孌靛彿鐮?/p>

 last_section_number:8bits鏈鍚庢鍙風爜(section_number鍜宭ast_section_number鐨勫姛鑳芥槸褰揚AT鍐呭>184瀛楄妭鏃訛紝PAT琛ㄤ細鍒嗘垚澶氫釜孌?sections),瑙e鐢ㄧ▼搴忓繀欏誨湪鍏ㄩ儴鎺ユ敹瀹屾垚鍚庡啀榪涜PAT鐨勫垎鏋?

 浠巉or()寮濮嬶紝灝辨槸鎻忚堪浜嗗綋鍓嶆祦涓殑棰戦亾鏁扮洰(N),姣忎竴涓閬撳搴旂殑PMT PID鏄粈涔堬紟瑙e鐢ㄧ▼搴忛渶瑕佸拰涓婂浘綾諱技鐨勫驚鐜潵鎺ユ敹鎵鏈夌殑棰戦亾鍙風爜鍜屽搴旂殑PMT PID,騫舵妸榪欎簺淇℃伅鍦ㄧ紦鍐插尯涓繚瀛樿搗鏉ワ紟鍦ㄥ悗閮ㄧ殑澶勭悊涓渶瑕佷嬌鐢ㄥ埌PMT PID.

 CRC_32:鏈鐨凜RC鏍¢獙鍊鹼紝涓鑸槸浼氬拷鐣ョ殑錛嶯鏄竴涓彉閲忥紝璁$畻鏂規硶鏄疦=(section_length-9)/4.

 浠庝互涓婂垎鏋愭垜浠彲浠ュ彂鐜?PAT琛ㄤ富瑕佸寘鍚閬撳彿鐮佸拰姣忎竴涓閬撳搴旂殑PMT鐨凱ID鍙風爜,榪欎簺淇℃伅鎴戜滑鍦ㄥ鐞哖AT琛ㄦ牸鐨勬椂鍊欎細淇濆瓨璧鋒潵,浠ュ悗浼氫嬌鐢ㄥ埌榪欎簺鏁版嵁.渚嬪鎴戜滑鍙互瀹氫箟榪欐牱鐨勬暟鎹粨鏋勪繚瀛樿繖浜涗俊鎭?

 typedef struct

 {

  int channel_number;

  int pmt_pid;

 }PMT_ITEM;

 PMT_ITEM pmt[64];

PMT, Program Map Table,鑺傜洰褰卞皠琛?/p>

 濡傛灉涓涓猅S嫻佷腑鍚湁澶氫釜棰戦亾,閭d箞灝變細鍖呭惈澶氫釜PID涓嶅悓鐨凱MT琛?媯嫻嬫槸鍚MT鐨勪吉浠g爜濡備笅:

 void Process_Packet(unsigned char*buff)

 {

  int I;

  int PID=GETPID(buff);

  if(PID==0x0000)

  {

   Process_PAT(buff+4);

  }

  else if(PID==.....)

  {

  }

  else

  {

   

   for(i=0;i<64;i++)

   {

    if(PID==pmt[i].pmt_pid)

    {

     Process_PMT(buff+4);

     break;

    

   }

  }

 }

PMT琛ㄤ腑鍖呭惈鐨勬暟鎹涓?

(1) 褰撳墠棰戦亾涓寘鍚殑鎵鏈塚ideo鏁版嵁鐨凱ID

(2) 褰撳墠棰戦亾涓寘鍚殑鎵鏈堿udio鏁版嵁鐨凱ID

(3) 鍜屽綋鍓嶉閬撳叧鑱斿湪涓璧風殑鍏朵粬鏁版嵁鐨凱ID(濡傛暟瀛楀箍鎾?鏁版嵁閫氳絳変嬌鐢ㄧ殑PID)

PMT瀹氫箟濡備笅:

 

鍚勫瓧孌靛惈涔夊涓?

 table_id:8bits鐨処D,搴旇鏄?x02

 section_syntax_indicator:1bit鐨勬璇硶鏍囧織,搴旇鏄?1'

 '0':鍥哄畾鏄?0',濡傛灉涓嶆槸璇存槑鏁版嵁鏈夐敊.

 reserved:2bits淇濈暀浣?搴旇鏄?00'

 section_length:16bits孌甸暱搴?浠巔rogram_number寮濮?鍒癈RC_32(鍖呭惈)鐨勫瓧鑺傛繪暟.

 program_number:16bits鐨勯閬撳彿鐮?琛ㄧず褰撳墠鐨凱MT鍏寵仈鍒扮殑棰戦亾.鎹㈠彞璇濆氨鏄,褰撳墠鎻忚堪鐨勬槸program_number棰戦亾鐨勪俊鎭?

 reserved:2bits淇濈暀浣?搴旇鏄?00'

 version_number:鐗堟湰鍙風爜,濡傛灉PMT鍐呭鏈夋洿鏂?鍒檝ersion_number浼氶掑1閫氱煡瑙e鐢ㄧ▼搴忛渶瑕侀噸鏂版帴鏀惰妭鐩俊鎭?鍚﹀垯version_number鏄浐瀹氫笉鍙樼殑.

 current_next_indicator:褰撳墠鏈潵鏍囧織絎?涓鑸槸0

 section_number:褰撳墠孌靛彿鐮?/p>

 last_section_number:鏈鍚庢鍙風爜,鍚箟鍜孭AT涓殑瀵瑰簲瀛楁鐩稿悓,璇峰弬鑰働AT閮ㄥ垎.

 reserved:3bits淇濈暀浣?涓鑸槸'000'.

 PCR_PID:13bits鐨凱CR PID,鍏蜂綋璇峰弬鑰僆SO13818-1,瑙e鐢ㄧ▼搴忎笉浣跨敤璇ュ弬鏁?

reserved:4bits淇濈暀浣?涓鑸槸'0000'

program_info_length:鑺傜洰淇℃伅闀垮害(涔嬪悗鐨勬槸N涓弿榪扮緇撴瀯,涓鑸彲浠ュ拷鐣ユ帀,榪欎釜瀛楁灝變唬琛ㄦ弿榪扮鎬葷殑闀垮害,鍗曚綅鏄疊ytes)

绱ф帴鐫灝辨槸棰戦亾鍐呴儴鍖呭惈鐨勮妭鐩被鍨嬪拰瀵瑰簲鐨凱ID鍙風爜浜?

stream_type:8bits嫻佺被鍨?鏍囧織鏄疺ideo榪樻槸Audio榪樻槸鍏朵粬鏁版嵁.

reserved:3 bits淇濈暀浣?

elementary_PID:13bits瀵瑰簲鐨勬暟鎹甈ID鍙風爜(濡傛灉stream_type鏄疺ideo,閭d箞榪欎釜PID灝辨槸Video PID,濡傛灉stream_type鏍囧織鏄疉udio,閭d箞榪欎釜PID灝辨槸Audio PID)

reserved:4 bits淇濈暀浣?

ES_info_length:鍜宲rogram_info_length綾諱技鐨勪俊鎭暱搴?鍏跺悗鏄疦2涓弿榪扮鍙?

CRC_32:32bits孌墊湯灝炬槸鏈鐨凜RC鏍¢獙鍊?涓鑸拷鐣?

浠庝互涓婄殑鍒嗘瀽鍙互鐪嬪嚭,鍙鎴戜滑澶勭悊浜哖MT,閭d箞鎴戜滑灝卞彲浠ヨ幏鍙栭閬撲腑鎵鏈夌殑PID淇℃伅,渚嬪褰撳墠棰戦亾鍖呭惈澶氬皯涓猇ideo,鍏卞灝戜釜Audio,鍜屽叾浠栨暟鎹?榪樿兘鐭ラ亾姣忕鏁版嵁瀵瑰簲鐨凱ID鍒嗗埆鏄粈涔?

榪欐牱濡傛灉鎴戜滑瑕侀夋嫨鍏朵腑涓涓猇ideo鍜孉udio鏀剁湅,閭d箞鍙渶瑕佹妸瑕佹敹鐪嬬殑鑺傜洰鐨刅ideo PID鍜孉udio PID淇濆瓨璧鋒潵,鍦ㄥ鐞哖acket鐨勬椂鍊欒繘琛岃繃婊ゅ嵆鍙疄鐜?

姣旇緝鍏ㄩ潰瀹炵幇瑙e鐢ㄧ殑浼唬鐮佸涓?

int Video_PID=0x07e5,Audio_PID=0x07e6;

void Process_Packet(unsigned char*buff)

{

 int I;

 int PID=GETPID(buff);

 if(PID==0x0000)

 {

  Process_PAT(buff+4);

 }

 else if(PID==Video_PID)

 {

  SaveToVideoBuffer(buff+4);

 }

 else if(PID==Audio_PID)

 {

  SaveToAudioBuffer(buff+4);

 }

 else

{

 for( i=0;i<64;i++)

 {

  if(PID==pmt[i].pmt_pid)

  {

   Process_PMT(buff+4);

   Break;

  }

 }

 

}

浠ヤ笂浼唬鐮佸彲浠ュ疄鐜板熀鏈殑瑙e鐢?媯嫻嬫墍鏈夌殑棰戦亾,媯嫻嬫墍鏈塻tream鐨凱ID,閫夋嫨鐗瑰畾鐨勮妭鐩繘琛屾挱鏀?鍙璇誨彇姣忎釜Packet鐨?88瀛楄妭鐨勫唴瀹?鐒跺悗姣忔閮借皟鐢≒rocess_Packet()鍗沖彲瀹炵幇綆鍗曠殑瑙e鐢?

浠嬬粛鍒拌繖閲?鎴戜滑灝卞彲浠ユ葷粨涓涓婦VB鎼滃彴鐨勫師鐞嗕簡.(濂?媧楄蟲伃鍚?)

  鏈?nbsp;欏剁洅鍏堣皟鏁撮珮棰戝ご鍒頒竴涓浐瀹氱殑棰戠巼(濡?98MHZ),濡傛灉姝ら鐜囨湁鏁板瓧淇″彿,鍒機OFDM鑺墖(濡侻T352)浼氳嚜鍔ㄦ妸TS嫻佹暟鎹紶閫佺粰MPEG- decoder. MPEG-2 decoder鍏堣繘琛屾暟鎹殑鍚屾,涔熷氨鏄瓑寰呭畬鏁寸殑Packet鐨勫埌鏉?鐒跺悗寰幆鏌ユ壘鏄惁鍑虹幇PID== 0x0000鐨凱acket,濡傛灉鍑虹幇浜?鍒欓┈涓婅繘鍏ュ垎鏋怭AT鐨勫鐞?鑾峰彇浜嗘墍鏈夌殑PMT鐨凱ID.鎺ョ潃寰幆鏌ユ壘鏄惁鍑虹幇PMT,濡傛灉鍙戠幇浜?鍒欒嚜鍔ㄨ繘 鍏MT鍒嗘瀽,鑾峰彇璇ラ孌墊墍鏈夌殑棰戦亾鏁版嵁騫朵繚瀛?濡傛灉娌℃湁鍙戠幇PAT鎴栬呮病鏈夊彂鐜癙MT,璇存槑璇ラ孌墊病鏈変俊鍙?榪涘叆涓嬩竴涓鐜囨壂鎻?

  浠庝互涓婃弿榪板彲浠ョ湅鍑?鏈洪《鐩掓悳绱㈤鐜囨槸闅忔満鍙戠敓鐨?瑕佷嬌姣忔鏈洪《鐩掗兘鑳芥悳绱㈠埌淇″彿,鍒欒姹俆S嫻佹瘡闅斾竴孌墊椂闂村氨鍙戦佷竴嬈AT鍜孭MT.浜嬪疄涓奃VB浼犺緭緋葷粺灝辨槸榪欎箞鍋氱殑.鍥犳鏃犺浣曟椂鎺ュ叆緇堢緋葷粺,緋葷粺閮借兘椹笂鎼滅儲鍒拌妭鐩茍姝g‘瑙e鐢ㄥ疄鐜版挱鏀?涓嶄粎浠呭姝?鍏朵粬鏁版嵁涔熼兘鏄氦鏇夸紶閫佺殑.姣斿絎竴涓狿acket鍙兘鏄疨AT,絎簩涓狿acket鍙兘鏄疨MT,鑰岀涓変釜Packet鍙兘鏄疺ideo 1,絎洓涓狿acket鍙兘鏄疺ideo 2,

鍙緋葷粺浼犺緭閫熷害瓚沖蹇?灝辨槸縐頒箣涓?鐮佺巼"鐨勪笢涓?,瀹炵幇瀹炴椂鎾斁鏄病鏈変換浣曢棶棰樼殑.

 鍒拌繖閲岃櫧鐒跺疄鐜頒簡瑙e鐢?浣嗗彲浠ョ湅鍑?浣跨敤鐨凱ID閮芥槸鏋嚗鐨勬暟瀛?濡傛灉璋冨彴瑕佺敤鎴瘋嚜宸辮緭鍏ユ暟瀛楅偅鍙槸澶夯鐑︿簡,鑰屼笖榪樺鏄撹緭鍏ラ敊璇?鎿嶄綔闈炲父涓嶇洿瑙?鍗充嬌鍋氭垚涓涓彍鍗曡鐢ㄦ埛閫夋嫨涔熸槸闈炲父鐨勫憜鏉?閽堝榪欎釜闂,DVB緋葷粺鎻愬嚭浜嗕竴涓猄DT琛ㄦ牸,璇ヨ〃鏍兼爣蹇椾竴涓妭鐩殑鍚嶇О,騫朵笖鑳藉拰PMT涓殑PID鑱旂郴璧鋒潵,榪欐牱鐢ㄦ埛灝卞彲浠ラ氳繃鐩存帴閫夋嫨鑺傜洰鍚嶇О鏉ラ夋嫨鑺傜洰浜?

SDT, Service description section,鏈嶅姟鎻忚堪孌?/p>

 SDT鍙互鎻愪緵鐨勪俊鎭寘鎷?

(1) 璇ヨ妭鐩槸鍚﹀湪鎾斁涓?/p>

(2) 璇ヨ妭鐩槸鍚﹁鍔犲瘑

(3) 璇ヨ妭鐩殑鍚嶇О

SDT瀹氫箟濡備笅:

 

鍚勫瓧孌靛畾涔夊涓?

 table_id:8bits鐨処D,鍙互鏄?x42,琛ㄧず鎻忚堪鐨勬槸褰撳墠嫻佺殑淇℃伅,涔熷彲浠ユ槸0x46,琛ㄧず鏄叾浠栨祦鐨勪俊鎭?EPG浣跨敤姝ゅ弬鏁?

 section_syntax_indicator:孌佃娉曟爣蹇?涓鑸槸'1'

 reserved_future_used:2bits淇濈暀鏈潵浣跨敤

 reserved:1bit淇濈暀浣?闃叉鎺у埗瀛楀啿紿?涓鑸槸'0',涔熸湁鍙兘鏄?1'

 section_length:12bits鐨勬闀垮害,鍗曚綅鏄疊ytes,浠巘ransport_stream_id寮濮?鍒癈RC_32緇撴潫(鍖呭惈)

 transport_stream_id:16bits褰撳墠鎻忚堪鐨勬祦ID

 reserved:2bits淇濈暀浣?/p>

 version_number:5bits鐨勭増鏈彿鐮?濡傛灉鏁版嵁鏇存柊鍒欐瀛楁閫掑1

 current_next_indicator:褰撳墠鏈潵鏍囧織,涓鑸槸'0',琛ㄧず褰撳墠椹笂浣跨敤.

 original_netword_id:16bits鐨勫師濮嬬綉緇淚D鍙?/p>

 reserved_future_use:8bits淇濈暀鏈潵浣跨敤浣?/p>

 鎺ヤ笅鏉ユ槸N涓妭鐩俊鎭殑寰幆:

  service_id:16 bits鐨勬湇鍔″櫒ID,瀹為檯涓婂氨鏄疨MT孌典腑鐨刾rogram_number.

  reserved_future_used:6bits淇濈暀鏈潵浣跨敤浣?/p>

  EIT_schedule_flag:1bit鐨凟IT淇℃伅,1琛ㄧず褰撳墠嫻佸疄鐜頒簡璇ヨ妭鐩殑EIT浼犻?/p>

  EIT_present_following_flag:1bits鐨凟IT淇℃伅,1琛ㄧず褰撳墠嫻佸疄鐜頒簡璇ヨ妭鐩殑EIT浼犻?/p>

  running_status:3bits鐨勮繍琛岀姸鎬佷俊鎭?1-榪樻湭鎾斁 2-鍑犲垎閽熷悗椹笂寮濮?3-琚殏鍋滄挱鍑?4-姝e湪鎾斁,鍏朵粬---淇濈暀

  free_CA_mode:1bits鐨勫姞瀵嗕俊鎭?'1'琛ㄧず璇ヨ妭鐩鍔犲瘑.

  绱?nbsp;鎺ョ潃鐨勬槸鎻忚堪絎?涓鑸槸Service descriptor,鍒嗘瀽姝ゆ弿榪扮鍙互鑾峰彇servive_id鎸囧畾鐨勮妭鐩殑鑺傜洰鍚嶇О.鍏蜂綋鏍煎紡璇峰弬鑰?nbsp;EN300468涓殑Service descriptor閮ㄥ垎.鍒嗘瀽瀹屾瘯,鍒欒妭鐩悕縐板拰鑺傜洰鍙風爜宸茬粡鑱旂郴璧鋒潵浜?鏈洪《鐩掔▼搴忓氨鍙互鐢ㄨ繖浜涜妭鐩悕縐頒唬鏇?nbsp;PID璁╃敤鎴烽夋嫨,浠庤屽疄鐜版瘮杈冨弸濂界殑鐢ㄦ埛鐣岄潰!

 涓嬮潰鍙傝冧竴涓?lt;<Seekfor MPEG2 decoder>>涓殑鐣岄潰鍜屾樉紺轟俊鎭?

 

涓?nbsp;鍥炬槸<<Seekfor MPEG2 decoder>>鎵撳紑涓変釜涓嶅悓鐨勭爜嫻佹枃浠?*.ts)褰㈡垚鐨凱ID淇℃伅鍜岃妭鐩悕縐?鐢ㄦ埛 鍙互閫氳繃鍒囨崲鑺傜洰鍚嶇О鐨勪笅鎷夊垪琛ㄦ鍒囨崲鑺傜洰,涔熷彲浠ラ氳繃"瑙嗛嫻?鍜?闊抽嫻?涓嬫媺鍒楄〃妗嗗垏鎹ideo鍜孉udio!榪欎簺鏁版嵁閮芥槸閫氳繃鍒嗘瀽PAT, PMT鍜孲DT寰楀埌鐨?



鍙跺瓙 2008-11-12 17:51 鍙戣〃璇勮
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