[Libav-user] decoding example program not working

Krishna krishnaks at iwavesystems.com
Wed Apr 25 18:41:16 CEST 2012


Yes. With ffmpeg command line tool, same file getting decoded without any 
problem.

----- Original Message ----- 
From: "Alex Cohn" <alexcohn at netvision.net.il>
To: "This list is about using libavcodec, libavformat, libavutil,libavdevice 
and libavfilter." <libav-user at ffmpeg.org>
Sent: Tuesday, April 24, 2012 8:00 AM
Subject: Re: [Libav-user] decoding example program not working


On Tue, Apr 24, 2012 at 15:51,  <krishnaks at iwavesystems.com> wrote:
> HI,
> I used example program in ffmpeg/doc/examples/decoding_encoding.c for
> decoding raw H264 file. But I am getting following errors. Where I am
> going wrong.
>
> Video decoding
> [h264 @ 0x102d9600] Invalid level prefix
> [h264 @ 0x102d9600] error while decoding MB 5 6
> [h264 @ 0x102d9600] concealing 77 DC, 77 AC, 77 MV errors
> saving frame 0
> 2012-04-24 18:22:18.519 iPadRecv[6627:14303] Current directory is /
> [h264 @ 0x102d9600] concealing 99 DC, 99 AC, 99 MV errors
> saving frame 1
> 2012-04-24 18:22:18.524 iPadRecv[6627:14303] Current directory is /
> [h264 @ 0x102d9600] concealing 73 DC, 73 AC, 73 MV errors
> saving frame 2
> 2012-04-24 18:22:18.527 iPadRecv[6627:14303] Current directory is /
> [h264 @ 0x102d9600] concealing 93 DC, 93 AC, 93 MV errors
> saving frame 3
> 2012-04-24 18:22:18.531 iPadRecv[6627:14303] Current directory is /
> [h264 @ 0x102d9600] concealing 90 DC, 90 AC, 90 MV errors
> saving frame 4
> 2012-04-24 18:22:18.535 iPadRecv[6627:14303] Current directory is /
> [h264 @ 0x102d9600] concealing 99 DC, 99 AC, 99 MV errors
> saving frame 5
> 2012-04-24 18:22:18.537 iPadRecv[6627:14303] Current directory is /
> [h264 @ 0x102d9600] no frame!
> Error while decoding frame 6
>
> Regards,
> KP

Does this file decode with no errors with ffmpeg executable?

Alex
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