[Libav-user] Encoding with no compression with OpenH264

Arthur Muller muller at vki.com
Tue Mar 8 21:22:57 CET 2016


>Complete, uncut console output missing.

Here it is.

-Arthur

> ffmpeg -framerate 10 -i image%02d.png -c:v h264 output.mp4
ffmpeg version 3.0 Copyright (c) 2000-2016 the FFmpeg developers
  built with gcc 4.8 (Ubuntu 4.8.2-19ubuntu1)
  configuration: --enable-libopenh264
  libavutil      55. 17.103 / 55. 17.103
  libavcodec     57. 24.102 / 57. 24.102
  libavformat    57. 25.100 / 57. 25.100
  libavdevice    57.  0.101 / 57.  0.101
  libavfilter     6. 31.100 /  6. 31.100
  libswscale      4.  0.100 /  4.  0.100
  libswresample   2.  0.101 /  2.  0.101
Input #0, image2, from 'image%02d.png':
  Duration: 00:00:01.80, start: 0.000000, bitrate: N/A
    Stream #0:0: Video: png, rgb24(pc), 1536x856, 10 fps, 10 tbr, 10 tbn, 10 tbc
[libopenh264 @ 0x2dea7c0] [OpenH264] this = 0x0x2e0c870, Warning:bEnableFrameSkip = 0,bitrate can't be controlled for RC_QUALITY_MODE,RC_BITRATE_MODE and RC_TIMESTAMP_MODE without enabling skip frame.
Output #0, mp4, to 'output.mp4':
  Metadata:
    encoder         : Lavf57.25.100
    Stream #0:0: Video: h264 (libopenh264) ([33][0][0][0] / 0x0021), yuv420p, 1536x856, q=2-31, 200 kb/s, 10 fps, 10240 tbn, 10 tbc
    Metadata:
      encoder         : Lavc57.24.102 libopenh264
    Side data:
      unknown side data type 10 (24 bytes)
Stream mapping:
  Stream #0:0 -> #0:0 (png (native) -> h264 (libopenh264))
Press [q] to stop, [?] for help
frame=   18 fps=0.0 q=-0.0 Lsize=     249kB time=00:00:01.80 bitrate=1134.3kbits/s speed=1.94x
video:248kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.347569%



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