Hi Alex,
For using format context ,I need to av_open_input_file API? I am new to
this.Can you give suggestions?
Thanks and Regards,
KP
----- Original Message -----
From: "Alex Cohn" <alexc...@netvision.net.il>
To: "This list is about using libavcodec, libavformat, libavutil,libavdevice
and libavfilter." <libav-user@ffmpeg.org>
Sent: Wednesday, April 25, 2012 7:27 AM
Subject: Re: [Libav-user] decoding example program not working
On Wed, Apr 25, 2012 at 19:41, Krishna <krishn...@iwavesystems.com> wrote:
Yes. With ffmpeg command line tool, same file getting decoded without any
problem.
Note that the simple example does not use format context, only codec
context. In real life, you should use rawvideo h264 demuxer.
Alex
----- Original Message ----- From: "Alex Cohn" <alexc...@netvision.net.il>
To: "This list is about using libavcodec, libavformat,
libavutil,libavdevice
and libavfilter." <libav-user@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, <krishn...@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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