[FFmpeg-user] 4CIF H263 video fails to decode

[Ankuj Gupta]

Hi Mark

The command I am giving is

ffmpeg -i h263_704x576_15fps_3370kbps.263 4cif.yuv

The untrimmed output of the command is

FFmpeg version 0.6.1, Copyright (c) 2000-2010 the FFmpeg developers
  built on Apr  8 2011 14:08:35 with gcc 4.1.2 20080704 (Red Hat 4.1.2-46)
  configuration: --disable-demuxer=v4l --disable-demuxer=v4l2
--disable-indevs
  libavutil     50.15. 1 / 50.15. 1
  libavcodec    52.72. 2 / 52.72. 2
  libavformat   52.64. 2 / 52.64. 2
  libavdevice   52. 2. 0 / 52. 2. 0
  libswscale     0.11. 0 /  0.11. 0
Inside fn av_probe_input_format2(), first_iformat=b61680, score_max=70f9163c
Returning from fn av_probe_input_format2() fmt=0, score_max=70f9163c, scor=0
No. of chunks = 512
Inside fn av_probe_input_format2(), first_iformat=b61680, score_max=70f911bc
Returning from fn av_probe_input_format2() fmt=0, score_max=70f911bc, scor=0
Inside fn av_probe_input_format2(), first_iformat=b61680, score_max=70f911bc
Returning from fn av_probe_input_format2() fmt=0, score_max=70f911bc, scor=0
Inside fn av_probe_input_format2(), first_iformat=b61680, score_max=70f911bc
Returning from fn av_probe_input_format2() fmt=0, score_max=70f911bc, scor=0
Inside fn av_probe_input_format2(), first_iformat=b61680, score_max=70f911bc
Returning from fn av_probe_input_format2() fmt=0, score_max=70f911bc, scor=0
Inside fn av_probe_input_format2(), first_iformat=b61680, score_max=70f911bc
Returning from fn av_probe_input_format2() fmt=0, score_max=70f911bc, scor=0
Inside fn av_probe_input_format2(), first_iformat=b61680, score_max=70f911bc
Returning from fn av_probe_input_format2() fmt=0, score_max=70f911bc, scor=0
Inside fn av_probe_input_format2(), first_iformat=b61680, score_max=70f911bc
Returning from fn av_probe_input_format2() fmt=0, score_max=70f911bc, scor=0
Inside fn av_probe_input_format2(), first_iformat=b61680, score_max=70f911bc
Returning from fn av_probe_input_format2() fmt=0, score_max=70f911bc, scor=0
Inside fn av_probe_input_format2(), first_iformat=b61680, score_max=70f911bc
Returning from fn av_probe_input_format2() fmt=0, score_max=70f911bc, scor=0
Inside fn av_probe_input_format2(), first_iformat=b61680, score_max=70f911bc
Returning from fn av_probe_input_format2() fmt=b60360, score_max=70f911bc,
scor=0
[NULL @ 0x5115420]Format detected only with low score of 24, misdetection
possible!
[mp3 @ 0x51166d0]Header missing
    Last message repeated 17 times
[mp3 @ 0x51166d0]big_values too big
[mp3 @ 0x5115420]max_analyze_duration reached
[mp3 @ 0x5115420]Estimating duration from bitrate, this may be inaccurate
Input #0, mp3, from 'h263_704x576_15fps_3370kbps.263':
  Duration: 01:45:31.25, start: 0.000000, bitrate: 96 kb/s
    Stream #0.0: Audio: mp2, 44100 Hz, 2 channels, s16, 96 kb/s
Output #0, rawvideo, to '4cif.yuv':
Output file #0 does not contain any stream

Ankuj
On Sat, Apr 9, 2011 at 12:15 AM, Mark Himsley <mark at mdsh.com> wrote:

>  On 08/04/11 09:15, Ankuj Gupta wrote:
>
>> Hi,
>>
>> I am trying to decode a H263 4CIF(704x576) resolution file with ffmpeg,
>> but
>> it is detected as mp3 file and fails to get decoded. I tried with lower
>> resolution H263 files they get decoded easily as well as 16CIF. I am using
>> ffmpeg version 0.6.1
>>
>
> Please send the command you are using and the untrimmed output of that
> command.
>
> --
> Mark
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