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Fixed FFMPEG seeking

CQTexperiment
Chris Moeller 2013-11-14 23:28:02 -08:00
parent f56edd882e
commit 092fdda05a
1 changed files with 2 additions and 1 deletions
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3
Plugins/FFMPEG/FFMPEGDecoder.m
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@ -290,12 +290,13 @@ int lockmgr_callback(void ** mutex, enum AVLockOp op)
- (long)seek:(long)frame - (long)seek:(long)frame
{ {
if (frame > totalFrames) { return -1; } if (frame >= totalFrames) { return -1; }
int64_t ts = frame * (formatCtx->duration) / totalFrames; int64_t ts = frame * (formatCtx->duration) / totalFrames;
avformat_seek_file(formatCtx, -1, ts - 1000, ts, ts, AVSEEK_FLAG_ANY); avformat_seek_file(formatCtx, -1, ts - 1000, ts, ts, AVSEEK_FLAG_ANY);
avcodec_flush_buffers(codecCtx); avcodec_flush_buffers(codecCtx);
readNextPacket = YES; // so we immediately read next packet readNextPacket = YES; // so we immediately read next packet
bytesConsumedFromDecodedFrame = INT_MAX; // so we immediately begin decoding next frame bytesConsumedFromDecodedFrame = INT_MAX; // so we immediately begin decoding next frame
framesRead = frame;
return frame; return frame;
} }