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统一帧合并逻辑

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This commit is contained in:
xia-chu
2021-04-26 18:26:07 +08:00
parent d005ccf396
commit af2b1246fd
12 changed files with 173 additions and 186 deletions
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37
src/Rtp/PSEncoder.cpp
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@@ -123,33 +123,18 @@ void PSEncoder::inputFrame(const Frame::Ptr &frame) {
break;
}
}
case CodecH265: {
//这里的代码逻辑是让SPS、PPS、IDR这些时间戳相同的帧打包到一起当做一个帧处理，
if (!_frameCached.empty() && _frameCached.back()->dts() != frame->dts()) {
Frame::Ptr back = _frameCached.back();
Buffer::Ptr merged_frame = back;
if (_frameCached.size() != 1) {
BufferLikeString merged;
merged.reserve(back->size() + 1024);
_frameCached.for_each([&](const Frame::Ptr &frame) {
if (frame->prefixSize()) {
merged.append(frame->data(), frame->size());
} else {
merged.append("\x00\x00\x00\x01", 4);
merged.append(frame->data(), frame->size());
}
});
merged_frame = std::make_shared<BufferOffset<BufferLikeString> >(std::move(merged));
}
track_info.stamp.revise(back->dts(), back->pts(), dts_out, pts_out);
_timestamp = (uint32_t)dts_out;
ps_muxer_input(_muxer.get(), track_info.track_id, back->keyFrame() ? 0x0001 : 0, pts_out * 90LL,
dts_out * 90LL, merged_frame->data(), merged_frame->size());
_frameCached.clear();
}
_frameCached.emplace_back(Frame::getCacheAbleFrame(frame));
}
_frame_merger.inputFrame(frame, [&](uint32_t dts, uint32_t pts, const Buffer::Ptr &buffer, bool have_idr) {
track_info.stamp.revise(dts, pts, dts_out, pts_out);
//取视频时间戳为TS的时间戳
_timestamp = (uint32_t) dts_out;
ps_muxer_input(_muxer.get(), track_info.track_id, have_idr ? 0x0001 : 0,
pts_out * 90LL, dts_out * 90LL, buffer->data(), buffer->size());
});
break;
}
case CodecAAC: {
if (frame->prefixSize() == 0) {
@@ -160,11 +145,11 @@ void PSEncoder::inputFrame(const Frame::Ptr &frame) {
default: {
track_info.stamp.revise(frame->dts(), frame->pts(), dts_out, pts_out);
_timestamp = (uint32_t)dts_out;
_timestamp = (uint32_t) dts_out;
ps_muxer_input(_muxer.get(), track_info.track_id, frame->keyFrame() ? 0x0001 : 0, pts_out * 90LL,
dts_out * 90LL, frame->data(), frame->size());
}
break;
}
}
}