[FFmpeg-user] Problems saving rtsp stream directly as mpegts

Jonathan Viney jonathan.viney at gmail.com
Mon Nov 3 03:38:12 CET 2014


On Mon, Nov 3, 2014 at 2:45 PM, Carl Eugen Hoyos <cehoyos at ag.or.at> wrote:

> Jonathan Viney <jonathan.viney <at> gmail.com> writes:
>
> > ffmpeg -i rtsp://10.9.9.3:554/axis-media/media.amp -c copy -f mpegts
> out.ts
> >
> > This seems to work fine, but the output file is
> > not recognised by ffmpeg/ffprobe.
>
> Complete, uncut console output missing.
> (I would have expected above command to return an
> error message and I would like to know why there
> is no such message.)
>

Here are the command outputs.

ffmpeg -rtsp_transport tcp -i rtsp://10.9.9.3:554/axis-media/media.amp -c
copy -y -t 5 out.ts

ffmpeg version N-67343-gd457478 Copyright (c) 2000-2014 the FFmpeg
developers
  built on Nov  3 2014 15:19:39 with Apple LLVM version 6.0
(clang-600.0.54) (based on LLVM 3.5svn)
  configuration: --enable-shared --enable-pthreads --enable-gpl
--enable-version3 --enable-nonfree --enable-libx264 --enable-libvpx
--prefix=/tmp/ffmpeg-test
  libavutil      54. 11.100 / 54. 11.100
  libavcodec     56. 10.101 / 56. 10.101
  libavformat    56. 12.100 / 56. 12.100
  libavdevice    56.  2.100 / 56.  2.100
  libavfilter     5.  2.101 /  5.  2.101
  libswscale      3.  1.101 /  3.  1.101
  libswresample   1.  1.100 /  1.  1.100
  libpostproc    53.  3.100 / 53.  3.100
Input #0, rtsp, from 'rtsp://10.9.9.3:554/axis-media/media.amp':
  Metadata:
    title           : Media Presentation
  Duration: N/A, start: 0.040011, bitrate: N/A
    Stream #0:0: Video: h264 (Main), yuvj420p(pc, bt709), 1920x1080 [SAR
1:1 DAR 16:9], 25 fps, 25 tbr, 90k tbn, 180k tbc
Output #0, mpegts, to 'out.ts':
  Metadata:
    title           : Media Presentation
    encoder         : Lavf56.12.100
    Stream #0:0: Video: h264, yuvj420p, 1920x1080 [SAR 1:1 DAR 16:9],
q=2-31, 25 fps, 90k tbn, 90k tbc
Stream mapping:
  Stream #0:0 -> #0:0 (copy)
Press [q] to stop, [?] for help
[mpegts @ 0x7f9f22826a00] Non-monotonous DTS in output stream 0:0;
previous: 0, current: 0; changing to 1. This may result in incorrect
timestamps in the output file.
frame=  127 fps= 32 q=-1.0 Lsize=    5774kB time=00:00:04.99
bitrate=9460.9kbits/s
video:5341kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
muxing overhead: 8.106906%


ffprobe out.ts

ffprobe out.ts
ffprobe version N-67343-gd457478 Copyright (c) 2007-2014 the FFmpeg
developers
  built on Nov  3 2014 15:19:39 with Apple LLVM version 6.0
(clang-600.0.54) (based on LLVM 3.5svn)
  configuration: --enable-shared --enable-pthreads --enable-gpl
--enable-version3 --enable-nonfree --enable-libx264 --enable-libvpx
--prefix=/tmp/ffmpeg-test
  libavutil      54. 11.100 / 54. 11.100
  libavcodec     56. 10.101 / 56. 10.101
  libavformat    56. 12.100 / 56. 12.100
  libavdevice    56.  2.100 / 56.  2.100
  libavfilter     5.  2.101 /  5.  2.101
  libswscale      3.  1.101 /  3.  1.101
  libswresample   1.  1.100 /  1.  1.100
  libpostproc    53.  3.100 / 53.  3.100
[h264 @ 0x7fe783808000] non-existing PPS 0 referenced
    Last message repeated 1 times
[h264 @ 0x7fe783808000] decode_slice_header error
[h264 @ 0x7fe783808000] no frame!
[h264 @ 0x7fe783808000] non-existing PPS 0 referenced
    Last message repeated 1 times
[h264 @ 0x7fe783808000] decode_slice_header error
[h264 @ 0x7fe783808000] no frame!
[h264 @ 0x7fe783808000] non-existing PPS 0 referenced
(duplicate messages removed)
[mpegts @ 0x7fe78300da00] decoding for stream 0 failed
[mpegts @ 0x7fe78300da00] Could not find codec parameters for stream 0
(Video: h264 ([27][0][0][0] / 0x001B), none): unspecified size
Consider increasing the value for the 'analyzeduration' and 'probesize'
options
out.ts: Operation not permitted


>
> > If I do it in two steps, first saving the stream
> > as a .mp4, it converts to mpegts fine with:
> >
> > ffmpeg -i out.mp4 -c copy -bsf h264_mp4toannexb out.ts
> >
> > Is it possible to do this in one step without the
> > intermediary file?
>
> What happens if you add the bitstreamfilter to the
> first command?
>

ffmpeg -rtsp_transport tcp -i rtsp://10.9.9.3:554/axis-media/media.amp -c
copy -y -bsf h264_mp4toannexb -t 5 out.ts

ffmpeg version N-67343-gd457478 Copyright (c) 2000-2014 the FFmpeg
developers
  built on Nov  3 2014 15:19:39 with Apple LLVM version 6.0
(clang-600.0.54) (based on LLVM 3.5svn)
  configuration: --enable-shared --enable-pthreads --enable-gpl
--enable-version3 --enable-nonfree --enable-libx264 --enable-libvpx
--prefix=/tmp/ffmpeg-test
  libavutil      54. 11.100 / 54. 11.100
  libavcodec     56. 10.101 / 56. 10.101
  libavformat    56. 12.100 / 56. 12.100
  libavdevice    56.  2.100 / 56.  2.100
  libavfilter     5.  2.101 /  5.  2.101
  libswscale      3.  1.101 /  3.  1.101
  libswresample   1.  1.100 /  1.  1.100
  libpostproc    53.  3.100 / 53.  3.100
Input #0, rtsp, from 'rtsp://10.9.9.3:554/axis-media/media.amp':
  Metadata:
    title           : Media Presentation
  Duration: N/A, start: 0.040000, bitrate: N/A
    Stream #0:0: Video: h264 (Main), yuvj420p(pc, bt709), 1920x1080 [SAR
1:1 DAR 16:9], 25 fps, 25 tbr, 90k tbn, 180k tbc
Output #0, mpegts, to 'out.ts':
  Metadata:
    title           : Media Presentation
    encoder         : Lavf56.12.100
    Stream #0:0: Video: h264, yuvj420p, 1920x1080 [SAR 1:1 DAR 16:9],
q=2-31, 25 fps, 90k tbn, 90k tbc
Stream mapping:
  Stream #0:0 -> #0:0 (copy)
Press [q] to stop, [?] for help
[NULL @ 0x7fa97a820600] Packet header is not contained in global extradata,
corrupted stream or invalid MP4/AVCC bitstream
Failed to open bitstream filter h264_mp4toannexb for stream 0 with codec
copy: Invalid argument
[NULL @ 0x7fa97a820600] Packet header is not contained in global extradata,
corrupted stream or invalid MP4/AVCC bitstream
Failed to open bitstream filter h264_mp4toannexb for stream 0 with codec
copy: Invalid argument
[mpegts @ 0x7fa97a809600] Non-monotonous DTS in output stream 0:0;
previous: 0, current: 0; changing to 1. This may result in incorrect
timestamps in the output file.
[NULL @ 0x7fa97a820600] Packet header is not contained in global extradata,
corrupted stream or invalid MP4/AVCC bitstream
Failed to open bitstream filter h264_mp4toannexb for stream 0 with codec
copy: Invalid argument
(duplicate messages removed)
frame=  127 fps= 31 q=-1.0 Lsize=    5280kB time=00:00:04.99
bitrate=8651.6kbits/s
video:4883kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
muxing overhead: 8.132199%

The resulting output file gives the same errors as above when passed to
ffprobe.

Thanks for the help.

Regards,
-Jonathan.


Carl Eugen
>
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