[FFmpeg-devel] Patch to libavc/opus to create extradata if missing

[Tristan Matthews]

On Wed, Jul 6, 2022 at 10:10 AM Tristan Matthews <tmatth at videolan.org>
wrote:

> Hi,
>
> On Sun, Jan 3, 2021 at 8:09 PM Andreas Rheinhardt <
> andreas.rheinhardt at gmail.com> wrote:
>
>> Jonathan Baudanza:
>> > On Sun, Jan 3, 2021, at 3:34 PM, Andreas Rheinhardt wrote:
>> >> Lynne:
>> >>>
>> >>> Apart from that LGTM.
>> >>
>> >> +1 if the case of more than two channels has been properly tested.
>> >>
>> >
>> > I tested this by creating an (invalid) SDP file with channels set to 3.
>> In this case, the rtp demuxer fails with the following message:
>> >
>> >    [sdp @ 0x7fe40280b800] Error creating opus extradata: Invalid data
>> found when processing input
>> >
>> > It might be more descriptive if we added a log warning about the
>> channel count. WDYT?
>>
>> It's ok as-is.
>>
>> - Andreas
>>
>
> Could this land? I found another case that it fixes (specifically
> streamcopy + muxing a specific mkv file that was captured via RTP).
>

Sorry for the noise, I missed in the thread that the code in question moved
from the opus decoder to the RTP parser and landed there.

Best,
Tristan