[Cin] pcm bluray encoding

Andrew Randrianasulu randrianasulu at gmail.com
Tue Dec 7 16:13:56 CET 2021


update: might even work for s32 (encoded as 24 bits)



On Monday, December 6, 2021, Andrew Randrianasulu <randrianasulu at gmail.com>
wrote:

> or may be even this, supports (?) 7.1 if you have such config
>
>
>
> On Monday, December 6, 2021, Andrew Randrianasulu <randrianasulu at gmail.com>
> wrote:
>
>> oops. prev. patch was segfaulting on 2ch encodings (missing break!)
>>
>> new should work for mono and 5.1 (tested this time)
>>
>> On Monday, December 6, 2021, Andrew Randrianasulu <
>> randrianasulu at gmail.com> wrote:
>>
>>> Thanks to Paul (who wrote a lot of ffmpeg code) I hacked this patch
>>> against ffmpeg-4.4.
>>>
>>> Can anyone test how it work with 5.1 and stereo sounds (s16, s24 broken
>>> ATM), especially if it remaps 5.1 channels correctly?
>>>
>>> I tested like this:
>>>
>>> $ ./ffmpeg -i ~/matrixbench_highdivx_ac3.avi -c:v libx264 -s 160x120
>>> -c:a pcm_bluray -mpegts_m2ts_mode 1 -sample_fmt s16 1.m2ts
>>>
>>> mpv 1.m2ts
>>>
>>> but my tablet sound definitely not 5.1!
>>>
>>> NOTE: this is not yet cinelerra-gg patch, just something I test with our
>>> version of ffmpeg
>>>
>>
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