sharp...@gmail.com: > To Andreas Rheinhardt, > >> What does "will not accept a smaller value (such as 0)" mean? > > As your said, the max_dec_frame_buffering is limited to 16. Set > it to 0 (on condition that we do know there is no reordered frames) > is not possible. >
Why is this not possible? I just told you how you could set max_dec_frame_buffering to a lower value. It seems you haven't tried it. >> Does it error out? > > It is safe and will not break any files. It's not wrong and solves > your mentioned case. :) > >> Notice that the change I am suggesting here is not safe in general. > > Yes. It is not safe unless you know what you are doing. For safety > this feature must have some mechanism to detect the unsafe usage. > > Let me introduce what my case is. First we encode using h264_videotoolbox > setting -bf to 0 (or not set. -bf default is 0) for speedy and lower > power consumption. Then we send the encoded bytestream to the other client > as quickly as possible. Then we decode using Android MediaCodec for speedy > and lower consumption. But we have found that the decoder output delays > about 18 frames, which is above 1 seconds at 15 fps. This is not acceptable. > Now we have changed the encoded bytestream before sending, which makes the > decoding delay down to 2 frames. > > We could hardly change videotoolbox and MediaCodec. So the unsafe way in > general turns to be effective (or only, up to now) way at realtime scenario. > > > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-devel > > To unsubscribe, visit link above, or email > ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe". > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-devel > > To unsubscribe, visit link above, or email > ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe". > _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
