Re: [FFmpeg-devel] aac_latm: SSR is not implemented

[Aman Gupta]

On Wed, Feb 1, 2017 at 9:12 AM Carl Eugen Hoyos  wrote:

> 2017-02-01 5:06 GMT+01:00 Aman Gupta :
> > I have a mpegts file with a HE-AAC audio track that cannot be decoded by
> > ffmpeg. I have uploaded a sample at the link below, as requested by the
> > decoder.
>
> Maybe ticket #4544, thank you for the sample!
>

Looks like that ticket was a separate issue, but I ended up leaving some
comments in there accidentally about SSR support.

Not sure if this list is the best place to ask, but I would be interested
in financially sponsoring the development of this feature. There is a
partial implementation availabile already in the gsoc svn repo that would
need to be rebased on to master.

If anyone is interested and has time, contact me off-list with a quote.

Thanks,
Aman


> Carl Eugen
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Re: [FFmpeg-devel] aac_latm: SSR is not implemented

[Carl Eugen Hoyos]

2017-02-01 5:06 GMT+01:00 Aman Gupta :
> I have a mpegts file with a HE-AAC audio track that cannot be decoded by
> ffmpeg. I have uploaded a sample at the link below, as requested by the
> decoder.

Maybe ticket #4544, thank you for the sample!

Carl Eugen
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[FFmpeg-devel] aac_latm: SSR is not implemented

[Aman Gupta]

I have a mpegts file with a HE-AAC audio track that cannot be decoded by
ffmpeg. I have uploaded a sample at the link below, as requested by the
decoder.

Happy to help with a patch to fix this issue, if someone can point me in
the right direction. FWIW, VLC is able to decode the audio without issue.

https://s3.amazonaws.com/tmm1/VasHD.mpg

Input #0, mpegts, from 'VasHD.mpg':
  Duration: 00:01:00.08, start: 39229.160467, bitrate: 9240 kb/s
  Program 5
Stream #0:0[0x208]: Video: h264 (High) ([27][0][0][0] / 0x001B),
yuv420p(tv, bt709, top first), 1920x1080 [SAR 1:1 DAR 16:9], 25 fps, 50
tbr, 90k tbn, 50 tbc
Stream #0:1[0x212](tam): Audio: aac_latm (HE-AAC) ([17][0][0][0] /
0x0011), 48000 Hz, 5.1, fltp
Stream #0:2[0x213]: Audio: aac_latm (HE-AAC) ([17][0][0][0] / 0x0011),
48000 Hz, stereo, fltp
Stream #0:3[0x21c](eng): Subtitle: dvb_subtitle ([6][0][0][0] / 0x0006)
Stream #0:4[0x21f](tam): Subtitle: dvb_subtitle ([6][0][0][0] / 0x0006)
Stream #0:5[0x244]: Unknown: none ([5][0][0][0] / 0x0005)
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