Philip Prindeville (2018-04-24): > It looks like it’s internally going to keep making multiple calls to > the read_packet function until it’s acquired enough. > > Is that correct?
Yes. There is AVFMT_FLAG_NONBLOCK that would cause demuxers to return AVERROR(EAGAIN) if not enough data is available immediately, but almost no demuxer implement support for it, only devices. For now, if you want non-blocking operation, you need to run the demuxers in a separate context, for example a thread. Note that unless you intend to propose actual enhancements on that issue, the correct list to ask about the use of the FFmpeg libraries is this one: http://ffmpeg.org/mailman/listinfo/libav-user Regards, -- Nicolas George
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