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From: Kieran Kunhya via ffmpeg-devel <ffmpeg-devel@ffmpeg.org>
To: Paul B Mahol <onemda@gmail.com>
Cc: Kieran Kunhya <kieran618@googlemail.com>,
	FFmpeg development discussions and patches
	<ffmpeg-devel@ffmpeg.org>,
	Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Subject: Re: [FFmpeg-devel] [PATCH v2] avcodec/h264dec: Remove ff_h264_draw_horiz_band
Date: Fri, 14 Jun 2024 14:27:32 +0100
Message-ID: <CABGuwE=wWmyuOarV6CJ1NV6dc9YJBwLQkwRMm8mgA6Gm3m0XTw@mail.gmail.com> (raw)
In-Reply-To: <CAPYw7P5V+cb4hSfONR5S=36nW7oFG-a4Eom3DPW=0xhu1b_jzA@mail.gmail.com>

On Fri, Jun 14, 2024 at 1:53 PM Paul B Mahol <onemda@gmail.com> wrote:
>
>
>
> On Fri, Jun 14, 2024 at 2:41 PM Kieran Kunhya via ffmpeg-devel <ffmpeg-devel@ffmpeg.org> wrote:
>>
>> On Sun, Jun 9, 2024 at 2:39 AM Andreas Rheinhardt
>> <andreas.rheinhardt@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.
>
>
> Since when?
>
> See 0da71265d84b587c7159cd82708ca60ad050dd4c from 2003.
>
> flag remain commented out from then to this day.

It still worked if you controlled the input.

Kieran
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  reply	other threads:[~2024-06-14 13:27 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-06-09  1:39 Andreas Rheinhardt
2024-06-14 11:01 ` Andreas Rheinhardt
2024-06-14 12:41 ` Kieran Kunhya via ffmpeg-devel
2024-06-14 13:03   ` Paul B Mahol
2024-06-14 13:27     ` Kieran Kunhya via ffmpeg-devel [this message]
2024-07-02  8:12       ` Anton Khirnov

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