seek_internal()

bool MayaFlux::IO::VideoFileReader::seek_internal ( const std::shared_ptr< FFmpegDemuxContext > &  demux, const std::shared_ptr< VideoStreamContext > &  video, uint64_t  frame_position  )

private

Definition at line 624 of file VideoFileReader.cpp.

{
    if (frame_position > video->total_frames)
        frame_position = video->total_frames;
 
    if (video->frame_rate <= 0.0) {
        set_error("Invalid frame rate for seeking");
        return false;
    }
 
    AVStream* stream = demux->get_stream(video->stream_index);
    if (!stream) {
        set_error("Invalid stream index");
        return false;
    }
 
    double target_seconds = static_cast<double>(frame_position) / video->frame_rate;
    auto ts = static_cast<int64_t>(target_seconds / av_q2d(stream->time_base));
 
    if (!demux->seek(video->stream_index, ts)) {
        set_error(demux->last_error());
        return false;
    }
 
    video->flush_codec();
    return true;
}

References set_error(), and stream.

Referenced by seek().

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