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

[Alexandre Ferrieux]

On 29/03/2011 15:07, Robert Sitan wrote:
>
>
>
>> 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

Your sequence contains  an AUD, SPS/PPS, 3 SEIs and a single SLICE. Possibly this slice is not decodable in a standalone 
manner.

	NALU(9) 2
	NALU(7n1) 27
	NALU(8n1) 4
	NALU(6) 5
	NALU(6) 5
	NALU(6) 5
	NALU(1n1) 57266

To clarify, please post a longer sequence that ffmpeg can decode.

-Alex