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-rw-r--r--ffmpeg_backend.h23
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diff --git a/ffmpeg_backend.h b/ffmpeg_backend.h
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-// NOTE(fox): Even though each layer has its own completely isolated AV
-// instance, it appears two layers with the same file still share something.
-// When the layers aren't at the same position in time, the playhead of one
-// layer gets misaligned every few frames and causes a manual seek back to the
-// position. Different files don't exhibit this behavior.
-
-struct av_info {
- uint64 PreviousPTS = (uint64)-1; // PTS value of the previous frame, used to check timings.
-
- AVCodecParameters *VideoCodecParameters; // Used to supply info about the decoder.
- const AVCodec* VideoCodec;
- // const AVCodecHWConfig* VideoHWConfig; // Haven't done enough research to know if HW decoding is already done by default or if we need these.
- // AVPixelFormat HWPixFormat;
- AVStream *VideoStream; // Which stream, or channel, the video is in. Holds FPS info and is used to verify that the decoded packet belongs to this stream.
- AVFormatContext *FileFormatContext; // Umbrella for everything else, seems to contain the playhead state
- AVCodecContext *VideoCodecContext;
- AVPacket *VideoPacket;
- AVFrame *VideoFrame;
- SwsContext *RGBContext;
-};
-
-static bool32 AV_TryFrame(av_info *AVPacket, int32 *err); // Internal attempt to decode a frame. Typically run in a while loop until it returns true.
-