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replay: fix frame lag when replaying to the next segment (#22773)

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old-commit-hash: 0a5ca716030025f4164109702d8a29429911748d
This commit is contained in:
Dean Lee
2021-11-02 18:24:12 +08:00
committed by GitHub
parent 3a83022853
commit 07ffd9c095
1 changed files with 3 additions and 11 deletions
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selfdrive/ui/replay/framereader.cc
+3 -11
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@@ -93,8 +93,8 @@ bool FrameReader::load(const std::string &url, std::atomic<bool> *abort) {
int ret = avcodec_copy_context(pCodecCtx_, pCodecCtxOrig);
if (ret != 0) return false;
pCodecCtx_->thread_count = 0;
pCodecCtx_->thread_type = FF_THREAD_FRAME;
// pCodecCtx_->thread_count = 0;
// pCodecCtx_->thread_type = FF_THREAD_FRAME;
ret = avcodec_open2(pCodecCtx_, pCodec, NULL);
if (ret < 0) return false;
@@ -150,15 +150,7 @@ bool FrameReader::decode(int idx, uint8_t *rgb, uint8_t *yuv) {
for (int i = from_idx; i <= idx; ++i) {
Frame &frame = frames_[i];
if ((!frame.decoded || i == idx) && !frame.failed) {
while (true) {
int ret = avcodec_decode_video2(pCodecCtx_, av_frame_, &frame.decoded, &(frame.pkt));
if (ret > 0 && !frame.decoded) {
// decode thread is still receiving the initial packets
usleep(0);
} else {
break;
}
}
avcodec_decode_video2(pCodecCtx_, av_frame_, &frame.decoded, &(frame.pkt));
frame.failed = !frame.decoded;
if (frame.decoded && i == idx) {
return decodeFrame(av_frame_, rgb, yuv);