Seems its just working with .avi as container and using mp4 just gives me like a half-second video for the same filesize. Also I didn't have a duration when watching the result over a video player, summing to the AVFormatContext->duration for the output stream's got me a duration when playing but I'm getting like 35 secs video for a 60 secs recording (It also looks kinda accelerated and it keeps just working for .avi).
2016-08-29 11:01 GMT-03:00 Leandro Raffo <[email protected]>: > I finally managed to make it work using the remuxing.c example by doing an > > avformat_network_init() > > And incrementaly adding (from zero) one to pts and dts with pts + 1 = dts. > > I still don't understand why is this the case. "It Just Works" and I dont > like it. Can someone please enlighten me on this? Why don't I need to use > the in/out stream time_base? > Thanks in advance > > ---------- Forwarded message ---------- > From: Leandro Raffo <[email protected]> > Date: 2016-08-24 10:25 GMT-03:00 > Subject: Dumping RTSP(H264) stream to container > To: [email protected] > > > Hello, > > As the title say I'm trying to remux(I dont know if this is the correct > term) a rtsp h264 stream into a container(mp4). I've been fiddling with the > remuxing example given in the documentation for ffmpeg 3.1 ( > https://www.ffmpeg.org/doxygen/3.1/remuxing_8c-example.html) with no > avail. > I know I can read the frames because I wrote them to disk (decode -> > encoded, not in h264 might i say so.). So I'm having troubles with the > writing them raw part (writing the frames without an decode/encode > pipeline). > I'm also a bit lost with the dts and pts in this part, how would this work > for an encoded stream?. > > These are the errors I'm getting when remuxing from two files > > [mp4 @ 0x1d869e0] Using AVStream.codec.time_base as a timebase hint to the > muxer is deprecated. Set AVStream.time_base instead. > [mp4 @ 0x1d869e0] Using AVStream.codec to pass codec parameters to muxers > is deprecated, use AVStream.codecpar instead. > [mp4 @ 0x1d869e0] Using AVStream.codec.time_base as a timebase hint to the > muxer is deprecated. Set AVStream.time_base instead. > [mp4 @ 0x1d869e0] Using AVStream.codec to pass codec parameters to muxers > is deprecated, use AVStream.codecpar instead. > [mp4 @ 0x1d869e0] track 1: codec frame size is not set > [mp4 @ 0x1d869e0] Timestamps are unset in a packet for stream 0. This is > deprecated and will stop working in the future. Fix your code to set the > timestamps properly > > And when remuxing from the rtsp stream > > [avi @ 0x18d1fe0] Using AVStream.codec.time_base as a timebase hint to the > muxer is deprecated. Set AVStream.time_base instead. > [avi @ 0x18d1fe0] Using AVStream.codec to pass codec parameters to muxers > is deprecated, use AVStream.codecpar instead. > [avi @ 0x18d1fe0] Application provided invalid, non monotonically > increasing dts to muxer in stream 0: 15 >= 6 > > > Thanks in advance. > >
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