2016-09-09 12:53 GMT-03:00 Carl Eugen Hoyos <[email protected]>: > 2016-09-09 13:57 GMT+02:00 Leandro Raffo <[email protected]>: >> 2016-09-09 6:55 GMT-03:00 Carl Eugen Hoyos <[email protected]>: > >>>>>> I see, but I wanted to avoid doing a decode/encode stage. >>>>>> Guess its not possible then. >>>>> >>>>> It generally is possible, depends only on the codec. >>>> >>>> I'm trying to apply it to H264 and HEVC codecs. >>> >>> It may be possible if the (output) streams only contain I-frames, >>> I am not sure if there are timestamp-related issues. >>> (It is not possible to randomly drop and keep non-I-frames.) >> >> I see there is the Keyframe flag in AVPacket, so sending >> keyframes to av_write_interleaved_frame (Is >> av_write_frame equivalent in this case?) would be as you say. >> But isn't there a way to see if I'm getting B or P-frames in case >> I don't get enough I-frames? > > AVFrame->pict_type tells you the type of frames. > > Please test with -skip_frame nointra if this is usable for you > before investing more time. > When doing this, you can also test -skip_frame noref > which may be an alternative: Drop those (h264) frames > that will not be needed to decode future frames. I am > not sure if this information is available outside libavcodec, > you may have to do some additional programing. > > Carl Eugen
The thing is I dont actually have AVFrames, I have AVPakets, I want to avoid the decode/encode pipeline since it takes too much CPU and I'm already getting stuff encoded in the codec I already want (h264). _______________________________________________ Libav-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/libav-user
