> -Original Message-
> From: ffmpeg-devel [mailto:ffmpeg-devel-boun...@ffmpeg.org] On Behalf
> Of Derek Buitenhuis
> Sent: Friday, March 01, 2019 8:43 PM
> To: ffmpeg-devel@ffmpeg.org
> Subject: Re: [FFmpeg-devel] [PATCH] avcodec/libvpxenc: add VP8 support
> f
On Fri, Mar 1, 2019 at 4:51 AM Derek Buitenhuis
wrote:
>
> On 01/03/2019 03:18, Guo, Yejun wrote:
> > yes, that's the reason I pending VP9 work. As for VP8 ROI, another thinking
> > is to first push vp8 roi, since libvpx is an external dependency and we
> > don't
> > know the time when it is avai
On 01/03/2019 03:18, Guo, Yejun wrote:
> yes, that's the reason I pending VP9 work. As for VP8 ROI, another thinking
> is to first push vp8 roi, since libvpx is an external dependency and we don't
> know the time when it is available for vp9 roi. Anyway, I'm open to both.
Presumably the forthcomin
> -Original Message-
> From: ffmpeg-devel [mailto:ffmpeg-devel-boun...@ffmpeg.org] On Behalf
> Of James Zern
> Sent: Friday, March 01, 2019 9:07 AM
> To: FFmpeg development discussions and patches de...@ffmpeg.org>
> Subject: Re: [FFmpeg-devel] [PATCH] avcodec/libvp
> >
> > > +if (avctx->codec_id == AV_CODEC_ID_VP8)
> > > +vp8_encode_set_roi(avctx, frame);
> >
> > The API only exists for VP8, or is this due to different quant scales or
> > something?
>
> currently, VP9 ROI does not work, see my discussion at
> https://groups.google.com/a/w
> -Original Message-
> From: ffmpeg-devel [mailto:ffmpeg-devel-boun...@ffmpeg.org] On Behalf
> Of Derek Buitenhuis
> Sent: Thursday, February 28, 2019 1:11 AM
> To: ffmpeg-devel@ffmpeg.org
> Subject: Re: [FFmpeg-devel] [PATCH] avcodec/libvpxenc: add VP8 support
> f
On 27/02/2019 10:22, Gyan wrote:
> On 27-02-2019 01:57 PM, Guo, Yejun wrote:
>>
>>> -Original Message-
>>> From: ffmpeg-devel [mailto:ffmpeg-devel-boun...@ffmpeg.org] On Behalf
>>> Of Guo, Yejun
>>> Sent: Thursday, February 28, 2019 12:13 AM
>>> To: ffmpeg-devel@ffmpeg.org
>>> Subject: [FFm
On 27/02/2019 17:57, Derek Buitenhuis wrote:
> You're assuming a single ROI, though, which is only one case. Plenty of things
> would need >1.
Also note that sets of ROIs are per-frame.
- Derek
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On 27/02/2019 17:31, Gyan wrote:
> Yes, a string. 4 integers and qp offset so either two more, in rational
> form, or a float.
You're assuming a single ROI, though, which is only one case. Plenty of things
would need >1.
> There's already multiple interfaces accepting long multi-entry
> multi-v
On 27-02-2019 10:32 PM, Derek Buitenhuis wrote:
On 27/02/2019 13:48, Gyan wrote:
Huh. I haven't suggested removing anything.
I suggested *adding* a way for this feature to be useful for ffmpeg
users in the near-term. Who knows how long will it take for a decent
per-frame ROI filter, like the
On 27/02/2019 16:12, Guo, Yejun wrote:
> Signed-off-by: Guo, Yejun
> ---
> libavcodec/libvpxenc.c | 132
> +
> 1 file changed, 132 insertions(+)
Do these APIs exist for all supported libvpx versions?
> +if (!sd) {
> +if (vpx_codec_con
On 27/02/2019 13:48, Gyan wrote:
> Huh. I haven't suggested removing anything.
>
> I suggested *adding* a way for this feature to be useful for ffmpeg
> users in the near-term. Who knows how long will it take for a decent
> per-frame ROI filter, like the facedetect example mentioned in the
> in
On 27-02-2019 07:07 PM, Derek Buitenhuis wrote:
On 27/02/2019 10:22, Gyan wrote:
Looks like, at present, the only way to effect ROI is via side data, and
no filter or other in-tree mechanism at present can convey or generate it.
Life exists outside of ffmpeg.c, and it's an extremely useful AP
On 27/02/2019 10:22, Gyan wrote:
> Looks like, at present, the only way to effect ROI is via side data, and
> no filter or other in-tree mechanism at present can convey or generate it.
Life exists outside of ffmpeg.c, and it's an extremely useful API to have.
> Are there any near-term plans to a
On 27-02-2019 01:57 PM, Guo, Yejun wrote:
-Original Message-
From: ffmpeg-devel [mailto:ffmpeg-devel-boun...@ffmpeg.org] On Behalf
Of Guo, Yejun
Sent: Thursday, February 28, 2019 12:13 AM
To: ffmpeg-devel@ffmpeg.org
Subject: [FFmpeg-devel] [PATCH] avcodec/libvpxenc: add VP8 support fo
> -Original Message-
> From: ffmpeg-devel [mailto:ffmpeg-devel-boun...@ffmpeg.org] On Behalf
> Of Guo, Yejun
> Sent: Thursday, February 28, 2019 12:13 AM
> To: ffmpeg-devel@ffmpeg.org
> Subject: [FFmpeg-devel] [PATCH] avcodec/libvpxenc: add VP8 support for
> ROI-based encoding
>
> Signed
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