Marton Balint <c...@passwd.hu> 于2020年5月5日周二 上午3:48写道： > > > > On Sat, 2 May 2020, Tao Zhang wrote: > > > Marton Balint <c...@passwd.hu> 于2020年5月2日周六 下午7:05写道： > > [...] > > >> I see. But you could add an option to the fifo muxer to only write header > >> when the first packet arrives. This way you will be able to use a > >> bitstream filter to buffer packets and the fifo muxer will only write > >> header when the first packet passes through the bitstream filter. Does > >> this seem OK? > > It seems OK. If nobody object it, I'm glad to add > > write_header_on_first_packet option on fifo muxer and create a new > > bitstream filter which buffers fixed duration packets. > > Great. I suggest a shorter name for the option of the fifo muxer, > delay_write_header I think is enough, you can explain the details in the > docs. Great suggestion. I'll follow it. > > Also it should be pretty straightforward to add this feature to fifo.c, > from a quick look at the code one approach is to add a NOOP message type, > and if the option is set, then use that message type for the first > message, if it is not set, use the WRITE_HEADER message type, as it is > used now. > > Also we should find a good name for the bitstream filter, maybe "buffer", > or "fifo", or if you want to better refer to the use case, then > "timeshift" can also work. Maybe "caching" or "cache"? > > Another thing you should think about is what should happen at the end of > the stream, when flushing the bitstream filter: > - drop pending packets > - flush pending packets as fast as possible > - flush pendning packets realtime > Maybe it should be selectable between the 3 options? I can imagine use > cases for all three possibilities. Although I have not imagined the first and second use cases, I'm glad to implement all three. > > Thanks, > Marton > _______________________________________________ > 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".
