[FFmpeg-devel] [PATCH] Add WAV codec 0x1602 (AAC LATM)

Peter Ross pross
Wed Jan 5 01:01:16 CET 2011


On Tue, Jan 04, 2011 at 09:49:49PM +0000, Carl Partridge wrote:
> On 4 January 2011 17:49, Michael Niedermayer <michaelni at gmx.at> wrote:
> 
> >
> > If this fixes an actual file and passes tests then ok
> >
> > [...]
> >
> 
> I'm still not seeing this patch working correctly with the AAC_LATM file
> that I sent to Peter yesterday when I raised this issue.  (wtv format)
>  Output from ffplay :
> 
> Input #0, wtv, from 'bbchd_aac.wtv':
>   Duration: 00:02:42.70, start: 249.613397, bitrate: 11484 kb/s
>     Stream #0.0[0x64](eng): Subtitle: dvbsub
>     Stream #0.1[0x65](eng): Audio: aac_latm, 48000 Hz, 5.1, s16
>     Stream #0.2[0x67]: Video: h264, yuv420p, 1440x1080 [PAR 4:3 DAR 16:9],
> 12 kb/s, PAR 16:9 DAR 64:27, 25 fps, 25 tbr, 10000k tbn, 50 tbc
> SDL_OpenAudio: DirectSound CreateSoundBuffer: Invalid parameter
> [h264 @ 031593c0] mmco: unref short failurevq= 8563KB sq=    0B f=0/0
>  252.85 A-V:  0.000 s:2.9 aq=    0KB vq=15505KB sq=    0B f=19/0   /0
>     Last message repeated 1 times

Might be a problem with SDL/DirectShow.

To confirm this, use ffmpeg to convert the wtv file to a wav file.
(ffmpeg -i bbchd_aac.wtv out.wav). Then try playing the wav back using
some other media player.

> If somebody can point me in the direction of how to gain upload access, I
> can upload the file as a sample.

http://ffmpeg.org/bugreports.html -- see section on 'Submitting Sample Media'

-- Peter
(A907 E02F A6E5 0CD2 34CD 20D2 6760 79C5 AC40 DD6B)
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