httplive流媒体播放(m3u8)

1. frameworks\base\media\java\android\media\MediaFile.java public static final int FILE_TYPE_HTTPLIVE = 44; private static final int LAST_PLAYLIST_FILE_TYPE = FILE_TYPE_HTTPLIVE; 增加： addFileType("M3U", FILE_TYPE_M3U, "application/x-mpegurl"); addFileType("M3U8", FILE_TYPE_HTTPLIVE, "application/vnd.apple.mpegurl"); addFileType("M3U8", FILE_TYPE_HTTPLIVE, "audio/mpegurl"); addFileType("M3U8", FILE_TYPE_HTTPLIVE, "audio/x-mpegurl"); 2. frameworks\base\media\libstagefright\httplive\LiveSource.cpp bool LiveSource::seekTo(int64_t seekTimeUs) { /*int32_t targetDuration; if (!mPlaylist->meta()->findInt32("target-duration", &targetDuration)) { return false; }*/ int64_t index = 0; //seekTimeSecs / targetDuration;
//jeff add for duration. int32_t totalDuration = 0; for (size_t i = 0; i < mPlaylist->size(); ++i) { AString uri; sp meta; mPlaylist->itemAt(i, &uri, &meta);
int32_t duration = 0; CHECK(meta->findInt32("duration", &duration));
totalDuration += duration; if(totalDuration > seekTimeSecs ) { index = i; break; } } int64_t LiveSource::getTimeBase(int64_t timeUs) const { int32_t val; int64_t timeBase = 0; int32_t totalDuration = 0; int32_t duration = 0; int32_t timeSec; LOGV("LiveSource::getTimeBase() mPlaylistIndex=%d",mPlaylistIndex); timeSec = timeUs/1000000ll; for (size_t i = 0; i < mPlaylistIndex; ++i) { AString uri; sp meta; mPlaylist->itemAt(i, &uri, &meta); if (meta->findInt32("discontinuity", &val) && val != 0) { LOGV("LiveSource::getTimeBase() timeSec=%d, totalDuration=%d",timeSec,totalDuration); if(timeSec < totalDuration) { break; } timeBase = totalDuration; } else{ duration = 0; CHECK(meta->findInt32("duration", &duration)); totalDuration += duration; } LOGV("LiveSource::getTimeBase() i=%d, duration=%d",i,duration); } timeBase = timeBase * 1000000ll; return timeBase; } void LiveSource::determineSeekability() { mDurationUs = -1;
if (!mPlaylist->isComplete()) { return; } #if 0 int32_t targetDuration; if (!mPlaylist->meta()->findInt32("target-duration", &targetDuration)) { return; }
mDurationUs = targetDuration * 1000000ll * mPlaylist->size(); LOGV("LiveSource::determineSeekability() targetDuration=%d, mDurationUs=%lld",targetDuration,mDurationUs); #endif //jeff add for duration. int32_t totalDuration = 0; for (size_t i = 0; i < mPlaylist->size(); ++i) { AString uri; sp meta; mPlaylist->itemAt(i, &uri, &meta);
int32_t duration = 0; CHECK(meta->findInt32("duration", &duration));
totalDuration += duration; } mDurationUs = totalDuration * 1000000ll; LOGV("LiveSource::determineSeekability() mDurationUs=%lld",mDurationUs); } 3. frameworks\base\media\libstagefright\include\LiveSource.h int64_t getTimeBase(int64_t timeUs) const; 4. frameworks\base\media\libstagefright\mpeg2ts\AnotherPacketSource.cpp //#define LOG_NDEBUG 0 #define LOG_TAG "AnotherPacketSource" #include namespace android { uint64_t timePassUs; uint64_t timeLastUs; bool newSegment; AnotherPacketSource::AnotherPacketSource(const sp &meta) : mFormat(meta), mEOSResult(OK) { timePassUs = 0; timeLastUs = 0; newSegment = false; } void AnotherPacketSource::setTimeBase(int64_t timeBase) { timePassUs = timeBase; newSegment = false; } status_t AnotherPacketSource::read( MediaBuffer **out, const ReadOptions *) { if (buffer->meta()->findInt32("discontinuity", &discontinuity) && discontinuity) { timePassUs += timeLastUs; timePassUs = (timePassUs/1000000ll) * 1000000ll; //newSegment = true; LOGV("******discontinuity timePassUs=%lld us (%.2f secs) timeLastUs=%lld us (%.2f secs)", timePassUs, timePassUs / 1E6, timeLastUs, timeLastUs / 1E6); return INFO_DISCONTINUITY; } else { uint64_t timeUs; CHECK(buffer->meta()->findInt64( "time", (int64_t *)&timeUs)); timeLastUs = timeUs; /*if(newSegment) { if((uint32_t)(timeUs/1000000ll) < 5){ //5s. newSegment = false; timeUs += timePassUs; } } else*/ { timeUs += timePassUs; } LOGV("-----read() timeUs=%lld us (%.2f secs)", timeUs, timeUs / 1E6); 5. frameworks\base\media\libstagefright\mpeg2ts\AnotherPacketSource.h void setTimeBase(int64_t timeBase); 6. frameworks\base\media\libstagefright\mpeg2ts\MPEG2TSExtractor.cpp status_t MPEG2TSSource::read( MediaBuffer **out, const ReadOptions *options) {

if (mSeekable && options && options->getSeekTo(&seekTimeUs, &seekMode)) { if (mExtractor->mLiveSource != NULL) { int64_t timeBase; timeBase =mExtractor->mLiveSource->getTimeBase(seekTimeUs); mImpl->setTimeBase(timeBase); LOGI("read() setTimeBase %lld",timeBase); } }
return mImpl->read(out, options); } 7. frameworks\base\media\libstagefright\AwesomePlayer.cpp status_t AwesomePlayer::setDataSource_l( const char *uri, const KeyedVector *headers) { reset_l();
mUri = uri; if (!strncmp("http://", uri, 7)) { // Hack to support http live. size_t len = strlen(uri); if (!strcasecmp(&uri[len - 5], ".m3u8") || strstr(&uri[7], "m3u8") != NULL) { mUri = "httplive://"; mUri.append(&uri[7]); } }
void AwesomePlayer::onVideoEvent() { if (latenessUs > 200000) { //40000 // We're more than 40ms late. LOGV("we're late by %lld us (%.2f secs)", latenessUs, latenessUs / 1E6);
mVideoBuffer->release(); mVideoBuffer = NULL;
postVideoEvent_l(); return; }
8. packages\apps\Browser\src\com\android\browser\BrowserSettings.java 伪装成iPad private int userAgent = 3; //jeff. 0; userAgent = Integer.parseInt(p.getString("user_agent", "3")); //jeff. "0"

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