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Fix #1943 duplicate frames being skipped when decoding Theora

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This commit is contained in:
George Paton
2023-06-15 19:22:57 +10:00
parent e559fd5e68
commit ec0c65642b
1 changed files with 14 additions and 7 deletions
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src/modules/video/theora/TheoraVideoStream.cpp
+14 -7
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@@ -229,17 +229,24 @@ void TheoraVideoStream::threadedFillBackBuffer(double dt)
failedSeek = true;
}
if (packet.granulepos > 0) {
th_decode_ctl(decoder, TH_DECCTL_SET_GRANPOS, &packet.granulepos, sizeof(packet.granulepos));
}
// TODO: Should be checking the result of th_decode_packetin
th_decode_ycbcr_out(decoder, bufferinfo);
hasFrame = true;
ogg_int64_t granulePosition;
do
{
if (demuxer.readPacket(packet))
return;
} while (th_decode_packetin(decoder, &packet, &granulePosition) != 0);
// Decode the current packet for the frame
ogg_int64_t decoderPosition;
th_decode_packetin(decoder, &packet, &decoderPosition);
// Prepare the next packet for the next frame
if (demuxer.readPacket(packet))
return;
lastFrame = nextFrame;
nextFrame = th_granule_time(decoder, granulePosition);
nextFrame = th_granule_time(decoder, decoderPosition);
}
// Only swap once, even if we read many frames to get here