[FFmpeg-user] H.264 single access unit decoding

Robert Sitan lmodern at hotmail.com
Tue Mar 29 15:07:48 CEST 2011




> Date: Tue, 29 Mar 2011 14:56:29 +0200
> From: etienne.buira.lists at free.fr
> To: ffmpeg-user at ffmpeg.org
> Subject: Re: [FFmpeg-user] H.264 single access unit decoding
>  
> Hi.
> 
> Try with ffmpeg -f h264 -i input.264 ...

Thanks for the suggestion. However, YUV output file is still empty. Here's the command line output:

rob at rob:~$ ffmpeg -f h264 -i Ipicture_single.264 Ipicture_ffmpeg.yuv
FFmpeg version SVN-r25478-snapshot, Copyright (c) 2000-2010 the FFmpeg developers
  built on Oct 15 2010 14:27:37 with gcc 4.4.3
  configuration: 
  libavutil     50.32. 3 / 50.32. 3
  libavcore      0. 9. 1 /  0. 9. 1
  libavcodec    52.92. 0 / 52.92. 0
  libavformat   52.82. 0 / 52.82. 0
  libavdevice   52. 2. 2 / 52. 2. 2
  libavfilter    1.51. 1 /  1.51. 1
  libswscale     0.12. 0 /  0.12. 0
[h264 @ 0x9cafde0] mmco: unref short failure
[h264 @ 0x9ca5470] Estimating duration from bitrate, this may be inaccurate                                                                                                                                                                  
                                                                                                                                                                                                                                             
Seems stream 0 codec frame rate differs from container frame rate: 50.00 (50/1) -> 25.00 (50/2)
Input #0, h264, from '/home/rob/Ipicture_single.264':
  Duration: N/A, bitrate: N/A
    Stream #0.0: Video: h264, yuvj420p, 1920x1080 [PAR 1:1 DAR 16:9], 25 tbr, 1200k tbn, 50 tbc
[buffer @ 0x9ce57a0] w:1920 h:1080 pixfmt:yuvj420p
Output #0, rawvideo, to '/home/rob/Ipicture_ffmpeg.yuv':
  Metadata:
    encoder         : Lavf52.82.0
    Stream #0.0: Video: rawvideo, yuvj420p, 1920x1080 [PAR 1:1 DAR 16:9], q=2-31, 200 kb/s, 90k tbn, 25 tbc
Stream mapping:
  Stream #0.0 -> #0.0
Press [q] to stop encoding
[h264 @ 0x9cafde0] mmco: unref short failure
frame=    0 fps=  0 q=0.0 Lsize=       0kB time=10000000000.00 bitrate=   0.0kbits/s                                                                                                                                                         
video:0kB audio:0kB global headers:0kB muxing overhead -nan%

 		 	   		  


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