[FFmpeg-devel] [PATCH v2] avcodec/h264dec: Remove ff_h264_draw_horiz_band

[Kieran Kunhya]

On Fri, Jun 14, 2024 at 1:53 PM Paul B Mahol <onemda at gmail.com> wrote:
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>
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> On Fri, Jun 14, 2024 at 2:41 PM Kieran Kunhya via ffmpeg-devel <ffmpeg-devel at ffmpeg.org> wrote:
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>> On Sun, Jun 9, 2024 at 2:39 AM Andreas Rheinhardt
>> <andreas.rheinhardt at outlook.com> wrote:
>> >
>> > The H.264 decoder does not support draw_horiz_band (it does not have
>> > the AV_CODEC_CAP_DRAW_HORIZ_BAND), making ff_h264_draw_horiz_band()
>> > legally dead. The function here always calls draw_horiz_band
>> > in coded order, although the default case is display order.
>>
>> Why would you want a low latency decode mode with reordering?
>> I have no idea about hwaccel, but I believe with low latency encoded
>> video this does work.
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> Since when?
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> See 0da71265d84b587c7159cd82708ca60ad050dd4c from 2003.
>
> flag remain commented out from then to this day.

It still worked if you controlled the input.

Kieran