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Updated FfmpegDecoder::SetPosition() to be seemingly more reliable

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across platforms.
This commit is contained in:
casey langen 2020-10-10 22:53:16 -07:00
parent ccc4040213
commit 691dc7e8b1
1 changed files with 3 additions and 4 deletions
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7
src/plugins/ffmpegdecoder/FfmpegDecoder.cpp
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@ -166,10 +166,9 @@ void FfmpegDecoder::Release() {
double FfmpegDecoder::SetPosition(double seconds) { double FfmpegDecoder::SetPosition(double seconds) {
if (this->ioContext && this->formatContext && this->codecContext) { if (this->ioContext && this->formatContext && this->codecContext) {
AVStream* stream = this->formatContext->streams[this->streamId]; AVStream* stream = this->formatContext->streams[this->streamId];
AVRational baseQ = { 1, AV_TIME_BASE }; AVRational timeBase = stream->time_base;
int64_t pts = av_rescale_q((int64_t)(seconds * AV_TIME_BASE), baseQ, stream->time_base); int64_t seekTime = stream->start_time + av_rescale((int64_t) seconds, timeBase.den, timeBase.num);
avcodec_flush_buffers(this->codecContext); if (av_seek_frame(this->formatContext, this->streamId, seekTime, AVSEEK_FLAG_ANY) >= 0) {
if (av_seek_frame(this->formatContext, this->streamId, pts, 0) >= 0) {
return seconds; return seconds;
} }
} }