RootsLabs

J’ai eu besoin de récupérer un flux RTSP, protocole souvent utilisé pour streamer des vidéos sur Internet.

Pour cela, un seul outil dans ma boite à outils m’aura été utile : ffmpeg.

La ligne de commande est simple :

ffmpeg -i rtsp://123.45.67.89/file.mp4 -acodec copy -vcodec copy local.mp4

Soit au final :

C:\Users\user>ffmpeg -i rtsp://123.45.67.89/file.mp4 -acodec copy -vcodec copy local.mp4
ffmpeg version N-50911-g9efcfbe Copyright (c) 2000-2013 the FFmpeg developers
  built on Mar 13 2013 21:26:48 with gcc 4.7.2 (GCC)
  configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-libass --enable-libbluray --enable-libcaca --enable-libfreetype --enable-libgsm --enable-libilbc --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxavs --enable-libxvid --enable-zlib
  libavutil      52. 19.100 / 52. 19.100
  libavcodec     55.  0.100 / 55.  0.100
  libavformat    55.  0.100 / 55.  0.100
  libavdevice    54.  4.100 / 54.  4.100
  libavfilter     3. 45.103 /  3. 45.103
  libswscale      2.  2.100 /  2.  2.100
  libswresample   0. 17.102 /  0. 17.102
  libpostproc    52.  2.100 / 52.  2.100
[rtsp @ 022daae0] UDP timeout, retrying with TCP
Input #0, rtsp, from 'rtsp://123.45.67.89/file.mp4':
  Metadata:
    title           : WowzaMediaServer
  Duration: 00:51:49.30, start: 0.000000, bitrate: N/A
    Stream #0:0: Audio: aac, 48000 Hz, stereo, fltp
    Stream #0:1: Video: h264 (Main), yuv420p, 640x360 [SAR 1:1 DAR 16:9], 25 fps, 25 tbr, 90k tbn, 50 tbc
Output #0, mp4, to 'local.mp4':
  Metadata:
    title           : WowzaMediaServer
    encoder         : Lavf55.0.100
    Stream #0:0: Video: h264 ([33][0][0][0] / 0x0021), yuv420p, 640x360 [SAR 1:1 DAR 16:9], q=2-31, 25 fps, 90k tbn, 90k tbc
    Stream #0:1: Audio: aac ([64][0][0][0] / 0x0040), 48000 Hz, stereo
Stream mapping:
  Stream #0:1 -> #0:0 (copy)
  Stream #0:0 -> #0:1 (copy)
Press [q] to stop, [?] for help
[mp4 @ 022d8dc0] pts has no value
[mp4 @ 022d8dc0] st:0 PTS: 0 DTS: 0 < 3073 invalid, clipping
[mp4 @ 022d8dc0] st:0 PTS: 3600 DTS: 3600 < 7201 invalid, clipping
[mp4 @ 022d8dc0] st:0 PTS: 1024 DTS: 1024 < 3074 invalid, clipping
[mp4 @ 022d8dc0] st:0 PTS: 2048 DTS: 2048 < 3075 invalid, clipping
[mp4 @ 022d8dc0] st:0 PTS: 3072 DTS: 3072 < 3076 invalid, clipping
[mp4 @ 022d8dc0] st:0 PTS: 10800 DTS: 7200 < 7202 invalid, clipping
frame=77732 fps= 24 q=-1.0 Lsize=  417624kB time=00:51:49.23 bitrate=1100.3kbits/s    58.88 bitrate=1087.5kbits/s
video:375616kB audio:39718kB subtitle:0 global headers:0kB muxing overhead 0.551422%