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MP4Demuxer: MP4解复器支持获取track并添加frame输出回调

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This commit is contained in:
ziyue 2021-12-15 20:51:26 +08:00
parent 283188bedb
commit b3dd440151
1 changed files with 13 additions and 4 deletions
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17
src/Record/MP4Demuxer.cpp
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@ -215,6 +215,7 @@ Frame::Ptr MP4Demuxer::makeFrame(uint32_t track_id, const Buffer::Ptr &buf, int6
auto bytes = buf->size() - DATA_OFFSET; auto bytes = buf->size() - DATA_OFFSET;
auto data = buf->data() + DATA_OFFSET; auto data = buf->data() + DATA_OFFSET;
auto codec = it->second->getCodecId(); auto codec = it->second->getCodecId();
Frame::Ptr ret;
switch (codec) { switch (codec) {
case CodecH264 : case CodecH264 :
case CodecH265 : { case CodecH265 : {
@ -230,9 +231,11 @@ Frame::Ptr MP4Demuxer::makeFrame(uint32_t track_id, const Buffer::Ptr &buf, int6
offset += (frame_len + 4); offset += (frame_len + 4);
} }
if (codec == CodecH264) { if (codec == CodecH264) {
return std::make_shared<FrameWrapper<H264FrameNoCacheAble> >(buf, (uint32_t)dts, (uint32_t)pts, 4, DATA_OFFSET); ret = std::make_shared<FrameWrapper<H264FrameNoCacheAble> >(buf, (uint32_t)dts, (uint32_t)pts, 4, DATA_OFFSET);
break;
} }
return std::make_shared<FrameWrapper<H265FrameNoCacheAble> >(buf, (uint32_t)dts, (uint32_t)pts, 4, DATA_OFFSET); ret = std::make_shared<FrameWrapper<H265FrameNoCacheAble> >(buf, (uint32_t)dts, (uint32_t)pts, 4, DATA_OFFSET);
break;
} }
case CodecAAC: { case CodecAAC: {
@ -240,17 +243,23 @@ Frame::Ptr MP4Demuxer::makeFrame(uint32_t track_id, const Buffer::Ptr &buf, int6
assert(track); assert(track);
//加上adts头 //加上adts头
dumpAacConfig(track->getAacCfg(), buf->size() - DATA_OFFSET, (uint8_t *) buf->data() + (DATA_OFFSET - ADTS_HEADER_LEN), ADTS_HEADER_LEN); dumpAacConfig(track->getAacCfg(), buf->size() - DATA_OFFSET, (uint8_t *) buf->data() + (DATA_OFFSET - ADTS_HEADER_LEN), ADTS_HEADER_LEN);
return std::make_shared<FrameWrapper<FrameFromPtr> >(buf, (uint32_t)dts, (uint32_t)pts, ADTS_HEADER_LEN, DATA_OFFSET - ADTS_HEADER_LEN, codec); ret = std::make_shared<FrameWrapper<FrameFromPtr> >(buf, (uint32_t)dts, (uint32_t)pts, ADTS_HEADER_LEN, DATA_OFFSET - ADTS_HEADER_LEN, codec);
break;
} }
case CodecOpus: case CodecOpus:
case CodecG711A: case CodecG711A:
case CodecG711U: { case CodecG711U: {
return std::make_shared<FrameWrapper<FrameFromPtr> >(buf, (uint32_t)dts, (uint32_t)pts, 0, DATA_OFFSET, codec); ret = std::make_shared<FrameWrapper<FrameFromPtr> >(buf, (uint32_t)dts, (uint32_t)pts, 0, DATA_OFFSET, codec);
break;
} }
default: return nullptr; default: return nullptr;
} }
if (ret) {
it->second->inputFrame(ret);
}
return ret;
} }
vector<Track::Ptr> MP4Demuxer::getTracks(bool trackReady) const { vector<Track::Ptr> MP4Demuxer::getTracks(bool trackReady) const {