[FFmpeg-devel] [PATCH] libavformat/flvdec: add HEVC demuxing support

[Gyan Doshi]

On 2021-07-26 22:51, Hendrik Leppkes wrote:
> On Mon, Jul 26, 2021 at 5:16 PM Gyan Doshi <ffmpeg at gyani.pro> wrote:
>>
>>
>> On 2021-07-26 19:49, Steven Liu wrote:
>>> 在 2021年7月26日星期一，Gyan Doshi <ffmpeg at gyani.pro> 写道：
>>>
>>>> On 2021-07-26 16:39, Steven Liu wrote:
>>>>
>>>>> 2021年7月26日 下午6:57，Gyan Doshi <ffmpeg at gyani.pro> 写道：
>>>>>> Are you referring to the choice of FLV_CODECID values?
>>>>>>
>>>>> Not only, you can find whole history on:
>>>>>
>>>>> https://lists.ffmpeg.org/pipermail/ffmpeg-devel/
>>>>> https://trac.ffmpeg.org/ticket/6389
>>>>> https://trac.ffmpeg.org/ticket/3581
>>>>>
>>>> try play this sample in ticket
>>>> The objections mainly center on compliance with Adobe's spec which is a
>>>> concern when muxing.
>>>>
>>>> no not only muxing, it’s format spec, and no documentation said which
>>> codec id is hevc. 10?11?12?13?14?15? How do you make sure which one is hevc
>>> from users flv? This is very unreasonable.
>> By making it a user option: ffmpeg -f flv -hevc_id 12 -i rtmp://...
>>
>>
> Which just screams ugly hack even more then anything else.

Of course. The format is alive but the publisher has abandoned it, so 
hacks are all that is left.

Gyan