* [FFmpeg-devel] [PATCH] vf_tonemap: Fix order of planes
@ 2022-01-05 13:59 Vittorio Giovara
2022-01-05 15:15 ` Vittorio Giovara
0 siblings, 1 reply; 10+ messages in thread
From: Vittorio Giovara @ 2022-01-05 13:59 UTC (permalink / raw)
To: ffmpeg-devel
This resulted in a dimmed tonemapping due to bad resulting luma
calculation.
Found by: Derek Buitenhuis
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
---
libavfilter/vf_tonemap.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/libavfilter/vf_tonemap.c b/libavfilter/vf_tonemap.c
index 363df8034b..c4ecf8a675 100644
--- a/libavfilter/vf_tonemap.c
+++ b/libavfilter/vf_tonemap.c
@@ -120,11 +120,11 @@ static void tonemap(TonemapContext *s, AVFrame *out, const AVFrame *in,
const AVPixFmtDescriptor *desc, int x, int y, double peak)
{
const float *r_in = (const float *)(in->data[0] + x * desc->comp[0].step + y * in->linesize[0]);
- const float *b_in = (const float *)(in->data[1] + x * desc->comp[1].step + y * in->linesize[1]);
- const float *g_in = (const float *)(in->data[2] + x * desc->comp[2].step + y * in->linesize[2]);
+ const float *g_in = (const float *)(in->data[1] + x * desc->comp[1].step + y * in->linesize[1]);
+ const float *b_in = (const float *)(in->data[2] + x * desc->comp[2].step + y * in->linesize[2]);
float *r_out = (float *)(out->data[0] + x * desc->comp[0].step + y * out->linesize[0]);
- float *b_out = (float *)(out->data[1] + x * desc->comp[1].step + y * out->linesize[1]);
- float *g_out = (float *)(out->data[2] + x * desc->comp[2].step + y * out->linesize[2]);
+ float *g_out = (float *)(out->data[1] + x * desc->comp[1].step + y * out->linesize[1]);
+ float *b_out = (float *)(out->data[2] + x * desc->comp[2].step + y * out->linesize[2]);
float sig, sig_orig;
/* load values */
--
2.34.1
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* [FFmpeg-devel] [PATCH] vf_tonemap: Fix order of planes
2022-01-05 13:59 [FFmpeg-devel] [PATCH] vf_tonemap: Fix order of planes Vittorio Giovara
@ 2022-01-05 15:15 ` Vittorio Giovara
2022-01-11 17:48 ` Vittorio Giovara
2022-01-12 9:51 ` Anton Khirnov
0 siblings, 2 replies; 10+ messages in thread
From: Vittorio Giovara @ 2022-01-05 15:15 UTC (permalink / raw)
To: ffmpeg-devel
This resulted in a dimmed tonemapping due to bad resulting luma
calculation.
Found by: Derek Buitenhuis
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
---
libavfilter/vf_tonemap.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/libavfilter/vf_tonemap.c b/libavfilter/vf_tonemap.c
index 363df8034b..644c9fd9e3 100644
--- a/libavfilter/vf_tonemap.c
+++ b/libavfilter/vf_tonemap.c
@@ -120,17 +120,17 @@ static void tonemap(TonemapContext *s, AVFrame *out, const AVFrame *in,
const AVPixFmtDescriptor *desc, int x, int y, double peak)
{
const float *r_in = (const float *)(in->data[0] + x * desc->comp[0].step + y * in->linesize[0]);
- const float *b_in = (const float *)(in->data[1] + x * desc->comp[1].step + y * in->linesize[1]);
- const float *g_in = (const float *)(in->data[2] + x * desc->comp[2].step + y * in->linesize[2]);
+ const float *g_in = (const float *)(in->data[1] + x * desc->comp[1].step + y * in->linesize[1]);
+ const float *b_in = (const float *)(in->data[2] + x * desc->comp[2].step + y * in->linesize[2]);
float *r_out = (float *)(out->data[0] + x * desc->comp[0].step + y * out->linesize[0]);
- float *b_out = (float *)(out->data[1] + x * desc->comp[1].step + y * out->linesize[1]);
- float *g_out = (float *)(out->data[2] + x * desc->comp[2].step + y * out->linesize[2]);
+ float *g_out = (float *)(out->data[1] + x * desc->comp[1].step + y * out->linesize[1]);
+ float *b_out = (float *)(out->data[2] + x * desc->comp[2].step + y * out->linesize[2]);
float sig, sig_orig;
/* load values */
*r_out = *r_in;
- *b_out = *b_in;
*g_out = *g_in;
+ *b_out = *b_in;
/* desaturate to prevent unnatural colors */
if (s->desat > 0) {
--
2.34.1
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* Re: [FFmpeg-devel] [PATCH] vf_tonemap: Fix order of planes
2022-01-05 15:15 ` Vittorio Giovara
@ 2022-01-11 17:48 ` Vittorio Giovara
2022-01-12 9:47 ` Anton Khirnov
2022-01-12 9:51 ` Anton Khirnov
1 sibling, 1 reply; 10+ messages in thread
From: Vittorio Giovara @ 2022-01-11 17:48 UTC (permalink / raw)
To: FFmpeg development discussions and patches
On Wed, Jan 5, 2022 at 4:15 PM Vittorio Giovara <vittorio.giovara@gmail.com>
wrote:
> This resulted in a dimmed tonemapping due to bad resulting luma
> calculation.
>
> Found by: Derek Buitenhuis
>
> Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
> ---
> libavfilter/vf_tonemap.c | 10 +++++-----
> 1 file changed, 5 insertions(+), 5 deletions(-)
>
> diff --git a/libavfilter/vf_tonemap.c b/libavfilter/vf_tonemap.c
> index 363df8034b..644c9fd9e3 100644
> --- a/libavfilter/vf_tonemap.c
> +++ b/libavfilter/vf_tonemap.c
> @@ -120,17 +120,17 @@ static void tonemap(TonemapContext *s, AVFrame *out,
> const AVFrame *in,
> const AVPixFmtDescriptor *desc, int x, int y, double
> peak)
> {
> const float *r_in = (const float *)(in->data[0] + x *
> desc->comp[0].step + y * in->linesize[0]);
> - const float *b_in = (const float *)(in->data[1] + x *
> desc->comp[1].step + y * in->linesize[1]);
> - const float *g_in = (const float *)(in->data[2] + x *
> desc->comp[2].step + y * in->linesize[2]);
> + const float *g_in = (const float *)(in->data[1] + x *
> desc->comp[1].step + y * in->linesize[1]);
> + const float *b_in = (const float *)(in->data[2] + x *
> desc->comp[2].step + y * in->linesize[2]);
> float *r_out = (float *)(out->data[0] + x * desc->comp[0].step + y *
> out->linesize[0]);
> - float *b_out = (float *)(out->data[1] + x * desc->comp[1].step + y *
> out->linesize[1]);
> - float *g_out = (float *)(out->data[2] + x * desc->comp[2].step + y *
> out->linesize[2]);
> + float *g_out = (float *)(out->data[1] + x * desc->comp[1].step + y *
> out->linesize[1]);
> + float *b_out = (float *)(out->data[2] + x * desc->comp[2].step + y *
> out->linesize[2]);
> float sig, sig_orig;
>
> /* load values */
> *r_out = *r_in;
> - *b_out = *b_in;
> *g_out = *g_in;
> + *b_out = *b_in;
>
> /* desaturate to prevent unnatural colors */
> if (s->desat > 0) {
> --
> 2.34.1
>
>
Pushing soon unless objections. Possibly backporting it to 5.0 too.
--
Vittorio
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^ permalink raw reply [flat|nested] 10+ messages in thread
* Re: [FFmpeg-devel] [PATCH] vf_tonemap: Fix order of planes
2022-01-11 17:48 ` Vittorio Giovara
@ 2022-01-12 9:47 ` Anton Khirnov
2022-01-12 13:43 ` Vittorio Giovara
0 siblings, 1 reply; 10+ messages in thread
From: Anton Khirnov @ 2022-01-12 9:47 UTC (permalink / raw)
To: FFmpeg development discussions and patches
Quoting Vittorio Giovara (2022-01-11 18:48:27)
> Pushing soon unless objections. Possibly backporting it to 5.0 too.
Could you add a test?
--
Anton Khirnov
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* Re: [FFmpeg-devel] [PATCH] vf_tonemap: Fix order of planes
2022-01-05 15:15 ` Vittorio Giovara
2022-01-11 17:48 ` Vittorio Giovara
@ 2022-01-12 9:51 ` Anton Khirnov
2022-01-12 14:23 ` Vittorio Giovara
1 sibling, 1 reply; 10+ messages in thread
From: Anton Khirnov @ 2022-01-12 9:51 UTC (permalink / raw)
To: FFmpeg development discussions and patches
Quoting Vittorio Giovara (2022-01-05 16:15:06)
> This resulted in a dimmed tonemapping due to bad resulting luma
> calculation.
>
> Found by: Derek Buitenhuis
>
> Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
> ---
> libavfilter/vf_tonemap.c | 10 +++++-----
> 1 file changed, 5 insertions(+), 5 deletions(-)
>
> diff --git a/libavfilter/vf_tonemap.c b/libavfilter/vf_tonemap.c
> index 363df8034b..644c9fd9e3 100644
> --- a/libavfilter/vf_tonemap.c
> +++ b/libavfilter/vf_tonemap.c
> @@ -120,17 +120,17 @@ static void tonemap(TonemapContext *s, AVFrame *out, const AVFrame *in,
> const AVPixFmtDescriptor *desc, int x, int y, double peak)
> {
> const float *r_in = (const float *)(in->data[0] + x * desc->comp[0].step + y * in->linesize[0]);
> - const float *b_in = (const float *)(in->data[1] + x * desc->comp[1].step + y * in->linesize[1]);
> - const float *g_in = (const float *)(in->data[2] + x * desc->comp[2].step + y * in->linesize[2]);
> + const float *g_in = (const float *)(in->data[1] + x * desc->comp[1].step + y * in->linesize[1]);
> + const float *b_in = (const float *)(in->data[2] + x * desc->comp[2].step + y * in->linesize[2]);
I'm confused by this, the filter seems to use GBR pixel format.
--
Anton Khirnov
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^ permalink raw reply [flat|nested] 10+ messages in thread
* Re: [FFmpeg-devel] [PATCH] vf_tonemap: Fix order of planes
2022-01-12 9:47 ` Anton Khirnov
@ 2022-01-12 13:43 ` Vittorio Giovara
2022-01-12 19:40 ` Anton Khirnov
0 siblings, 1 reply; 10+ messages in thread
From: Vittorio Giovara @ 2022-01-12 13:43 UTC (permalink / raw)
To: FFmpeg development discussions and patches
On Wed, Jan 12, 2022 at 10:47 AM Anton Khirnov <anton@khirnov.net> wrote:
> Quoting Vittorio Giovara (2022-01-11 18:48:27)
> > Pushing soon unless objections. Possibly backporting it to 5.0 too.
>
> Could you add a test?
>
The filter works in floating point space so it's a bit complex to do so.
Maybe it could be optimized in fixed point and we could add a test then
--
Vittorio
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* Re: [FFmpeg-devel] [PATCH] vf_tonemap: Fix order of planes
2022-01-12 9:51 ` Anton Khirnov
@ 2022-01-12 14:23 ` Vittorio Giovara
2022-01-12 14:30 ` Vittorio Giovara
0 siblings, 1 reply; 10+ messages in thread
From: Vittorio Giovara @ 2022-01-12 14:23 UTC (permalink / raw)
To: FFmpeg development discussions and patches
On Wed, Jan 12, 2022 at 10:51 AM Anton Khirnov <anton@khirnov.net> wrote:
> Quoting Vittorio Giovara (2022-01-05 16:15:06)
> > This resulted in a dimmed tonemapping due to bad resulting luma
> > calculation.
> >
> > Found by: Derek Buitenhuis
> >
> > Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
> > ---
> > libavfilter/vf_tonemap.c | 10 +++++-----
> > 1 file changed, 5 insertions(+), 5 deletions(-)
> >
> > diff --git a/libavfilter/vf_tonemap.c b/libavfilter/vf_tonemap.c
> > index 363df8034b..644c9fd9e3 100644
> > --- a/libavfilter/vf_tonemap.c
> > +++ b/libavfilter/vf_tonemap.c
> > @@ -120,17 +120,17 @@ static void tonemap(TonemapContext *s, AVFrame
> *out, const AVFrame *in,
> > const AVPixFmtDescriptor *desc, int x, int y,
> double peak)
> > {
> > const float *r_in = (const float *)(in->data[0] + x *
> desc->comp[0].step + y * in->linesize[0]);
> > - const float *b_in = (const float *)(in->data[1] + x *
> desc->comp[1].step + y * in->linesize[1]);
> > - const float *g_in = (const float *)(in->data[2] + x *
> desc->comp[2].step + y * in->linesize[2]);
> > + const float *g_in = (const float *)(in->data[1] + x *
> desc->comp[1].step + y * in->linesize[1]);
> > + const float *b_in = (const float *)(in->data[2] + x *
> desc->comp[2].step + y * in->linesize[2]);
>
> I'm confused by this, the filter seems to use GBR pixel format.
>
hmmm right, so the first and last elements are swapped... i'm possibly
implying the order in a wrong way, let me send a more generic version of
this then
--
Vittorio
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* [FFmpeg-devel] [PATCH] vf_tonemap: Fix order of planes
2022-01-12 14:23 ` Vittorio Giovara
@ 2022-01-12 14:30 ` Vittorio Giovara
2022-01-12 19:47 ` Anton Khirnov
0 siblings, 1 reply; 10+ messages in thread
From: Vittorio Giovara @ 2022-01-12 14:30 UTC (permalink / raw)
To: ffmpeg-devel
This resulted in a dimmed tonemapping due to bad resulting luma
calculation.
Found by: Derek Buitenhuis
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
---
libavfilter/vf_tonemap.c | 15 ++++++++-------
1 file changed, 8 insertions(+), 7 deletions(-)
diff --git a/libavfilter/vf_tonemap.c b/libavfilter/vf_tonemap.c
index 363df8034b..1285dbaa4d 100644
--- a/libavfilter/vf_tonemap.c
+++ b/libavfilter/vf_tonemap.c
@@ -119,18 +119,19 @@ static float mobius(float in, float j, double peak)
static void tonemap(TonemapContext *s, AVFrame *out, const AVFrame *in,
const AVPixFmtDescriptor *desc, int x, int y, double peak)
{
- const float *r_in = (const float *)(in->data[0] + x * desc->comp[0].step + y * in->linesize[0]);
- const float *b_in = (const float *)(in->data[1] + x * desc->comp[1].step + y * in->linesize[1]);
- const float *g_in = (const float *)(in->data[2] + x * desc->comp[2].step + y * in->linesize[2]);
- float *r_out = (float *)(out->data[0] + x * desc->comp[0].step + y * out->linesize[0]);
- float *b_out = (float *)(out->data[1] + x * desc->comp[1].step + y * out->linesize[1]);
- float *g_out = (float *)(out->data[2] + x * desc->comp[2].step + y * out->linesize[2]);
+ int map[3] = { desc->comp[0].plane, desc->comp[1].plane, desc->comp[2].plane };
+ const float *r_in = (const float *)(in->data[map[0]] + x * desc->comp[map[0]].step + y * in->linesize[map[0]]);
+ const float *g_in = (const float *)(in->data[map[1]] + x * desc->comp[map[1]].step + y * in->linesize[map[1]]);
+ const float *b_in = (const float *)(in->data[map[2]] + x * desc->comp[map[2]].step + y * in->linesize[map[2]]);
+ float *r_out = (float *)(out->data[map[0]] + x * desc->comp[map[0]].step + y * out->linesize[map[0]]);
+ float *g_out = (float *)(out->data[map[1]] + x * desc->comp[map[1]].step + y * out->linesize[map[1]]);
+ float *b_out = (float *)(out->data[map[2]] + x * desc->comp[map[2]].step + y * out->linesize[map[2]]);
float sig, sig_orig;
/* load values */
*r_out = *r_in;
- *b_out = *b_in;
*g_out = *g_in;
+ *b_out = *b_in;
/* desaturate to prevent unnatural colors */
if (s->desat > 0) {
--
2.34.1
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* Re: [FFmpeg-devel] [PATCH] vf_tonemap: Fix order of planes
2022-01-12 13:43 ` Vittorio Giovara
@ 2022-01-12 19:40 ` Anton Khirnov
0 siblings, 0 replies; 10+ messages in thread
From: Anton Khirnov @ 2022-01-12 19:40 UTC (permalink / raw)
To: FFmpeg development discussions and patches
Quoting Vittorio Giovara (2022-01-12 14:43:39)
> On Wed, Jan 12, 2022 at 10:47 AM Anton Khirnov <anton@khirnov.net> wrote:
>
> > Quoting Vittorio Giovara (2022-01-11 18:48:27)
> > > Pushing soon unless objections. Possibly backporting it to 5.0 too.
> >
> > Could you add a test?
> >
>
> The filter works in floating point space so it's a bit complex to do so.
> Maybe it could be optimized in fixed point and we could add a test then
Is it? I see the owdenoise filter test using oneoff comparison for
floats, that might be easy to adapt for tonemap.
--
Anton Khirnov
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* Re: [FFmpeg-devel] [PATCH] vf_tonemap: Fix order of planes
2022-01-12 14:30 ` Vittorio Giovara
@ 2022-01-12 19:47 ` Anton Khirnov
0 siblings, 0 replies; 10+ messages in thread
From: Anton Khirnov @ 2022-01-12 19:47 UTC (permalink / raw)
To: FFmpeg development discussions and patches
Quoting Vittorio Giovara (2022-01-12 15:30:55)
> This resulted in a dimmed tonemapping due to bad resulting luma
> calculation.
>
> Found by: Derek Buitenhuis
>
> Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
> ---
> libavfilter/vf_tonemap.c | 15 ++++++++-------
> 1 file changed, 8 insertions(+), 7 deletions(-)
>
> diff --git a/libavfilter/vf_tonemap.c b/libavfilter/vf_tonemap.c
> index 363df8034b..1285dbaa4d 100644
> --- a/libavfilter/vf_tonemap.c
> +++ b/libavfilter/vf_tonemap.c
> @@ -119,18 +119,19 @@ static float mobius(float in, float j, double peak)
> static void tonemap(TonemapContext *s, AVFrame *out, const AVFrame *in,
> const AVPixFmtDescriptor *desc, int x, int y, double peak)
> {
> - const float *r_in = (const float *)(in->data[0] + x * desc->comp[0].step + y * in->linesize[0]);
> - const float *b_in = (const float *)(in->data[1] + x * desc->comp[1].step + y * in->linesize[1]);
> - const float *g_in = (const float *)(in->data[2] + x * desc->comp[2].step + y * in->linesize[2]);
> - float *r_out = (float *)(out->data[0] + x * desc->comp[0].step + y * out->linesize[0]);
> - float *b_out = (float *)(out->data[1] + x * desc->comp[1].step + y * out->linesize[1]);
> - float *g_out = (float *)(out->data[2] + x * desc->comp[2].step + y * out->linesize[2]);
> + int map[3] = { desc->comp[0].plane, desc->comp[1].plane, desc->comp[2].plane };
> + const float *r_in = (const float *)(in->data[map[0]] + x * desc->comp[map[0]].step + y * in->linesize[map[0]]);
> + const float *g_in = (const float *)(in->data[map[1]] + x * desc->comp[map[1]].step + y * in->linesize[map[1]]);
> + const float *b_in = (const float *)(in->data[map[2]] + x * desc->comp[map[2]].step + y * in->linesize[map[2]]);
> + float *r_out = (float *)(out->data[map[0]] + x * desc->comp[map[0]].step + y * out->linesize[map[0]]);
> + float *g_out = (float *)(out->data[map[1]] + x * desc->comp[map[1]].step + y * out->linesize[map[1]]);
> + float *b_out = (float *)(out->data[map[2]] + x * desc->comp[map[2]].step + y * out->linesize[map[2]]);
so correctness
very lgtm
wow
--
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^ permalink raw reply [flat|nested] 10+ messages in thread
end of thread, other threads:[~2022-01-12 19:47 UTC | newest]
Thread overview: 10+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-01-05 13:59 [FFmpeg-devel] [PATCH] vf_tonemap: Fix order of planes Vittorio Giovara
2022-01-05 15:15 ` Vittorio Giovara
2022-01-11 17:48 ` Vittorio Giovara
2022-01-12 9:47 ` Anton Khirnov
2022-01-12 13:43 ` Vittorio Giovara
2022-01-12 19:40 ` Anton Khirnov
2022-01-12 9:51 ` Anton Khirnov
2022-01-12 14:23 ` Vittorio Giovara
2022-01-12 14:30 ` Vittorio Giovara
2022-01-12 19:47 ` Anton Khirnov
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