Re: [FFmpeg-devel] [PATCH] avfilter/avf_showcqt: rewrite showcqt and add features

2015-10-30 Thread Michael Niedermayer 
On Thu, Oct 29, 2015 at 02:05:53AM -0300, James Almer wrote:
> On 10/27/2015 9:56 PM, Michael Niedermayer wrote:
> > On Mon, Oct 26, 2015 at 12:32:58AM +0700, Muhammad Faiz wrote:
> >> On Sun, Oct 25, 2015 at 9:51 AM, Michael Niedermayer
> >>  wrote:
> >>> On Sun, Oct 25, 2015 at 08:43:07AM +0700, Muhammad Faiz wrote:
>   doc/filters.texi  |  181 +++--
>   libavfilter/avf_showcqt.c | 1546 
>  +++---
>   libavfilter/avf_showcqt.h |  104 +++
>   libavfilter/version.h |2
>   4 files changed, 1294 insertions(+), 539 deletions(-)
>  3f83a0d334d780da3defa7d1fa3f09b3beb1db2d  
>  0001-avfilter-avf_showcqt-rewrite-showcqt-and-add-feature.patch
>  From 337a659f96ef5dcf87aad1d541e745b7c262cbb9 Mon Sep 17 00:00:00 2001
>  From: Muhammad Faiz 
>  Date: Sat, 24 Oct 2015 00:44:42 +0700
>  Subject: [PATCH] avfilter/avf_showcqt: rewrite showcqt and add features
> >>>
> >>> this fails to build on "arm-linux-gnueabi-gcc-4.5 (Ubuntu/Linaro 
> >>> 4.5.3-12ubuntu2) 4.5.3"
> >>> In file included from ffmpeg/libavfilter/avf_showcqt.c:41:0:
> >>> ffmpeg/libavfilter/avf_showcqt.h:39:30: warning: declaration does not 
> >>> declare anything
> >>> ffmpeg/libavfilter/avf_showcqt.h:40:30: warning: declaration does not 
> >>> declare anything
> >>> ffmpeg/libavfilter/avf_showcqt.c: In function ‘rgb_from_cqt’:
> >>> ffmpeg/libavfilter/avf_showcqt.c:668:13: error: ‘ColorFloat’ has no 
> >>> member named ‘r’
> >>> ffmpeg/libavfilter/avf_showcqt.c:669:13: error: ‘ColorFloat’ has no 
> >>> member named ‘g’
> >>> ffmpeg/libavfilter/avf_showcqt.c:670:13: error: ‘ColorFloat’ has no 
> >>> member named ‘b’
> >>> ffmpeg/libavfilter/avf_showcqt.c: In function ‘yuv_from_cqt’:
> >>> ffmpeg/libavfilter/avf_showcqt.c:682:13: error: ‘ColorFloat’ has no 
> >>> member named ‘y’
> >>> ffmpeg/libavfilter/avf_showcqt.c:683:13: error: ‘ColorFloat’ has no 
> >>> member named ‘u’
> >>> ffmpeg/libavfilter/avf_showcqt.c:684:13: error: ‘ColorFloat’ has no 
> >>> member named ‘v’
> >>
> >>
> >> revision: do not use anonymous struct, it seems it is not supported on
> >> some platforms
> >>
> >> thanks
> > 
> >>  doc/filters.texi  |  181 +++--
> >>  libavfilter/avf_showcqt.c | 1546 
> >> +++---
> >>  libavfilter/avf_showcqt.h |  112 +++
> >>  libavfilter/version.h |2 
> >>  4 files changed, 1302 insertions(+), 539 deletions(-)
> >> be583ed02fc82b34612c9c1782955795fb8b4259  
> >> 0001-avfilter-avf_showcqt-rewrite-showcqt-and-add-feature.patch
> >> From e6d6243e03439cffd2d58e30d9892c18e2ef0bc4 Mon Sep 17 00:00:00 2001
> >> From: Muhammad Faiz 
> >> Date: Mon, 26 Oct 2015 00:18:41 +0700
> >> Subject: [PATCH] avfilter/avf_showcqt: rewrite showcqt and add features
> >>
> >> add yuv444p, yuv422p, and yuv420p output format (lower cpu usage
> >> on ffplay playback because it does not do format conversion)
> >> custom size with size/s option (fullhd option is deprecated)
> >> custom layout with bar_h, axis_h, and sono_h option
> >> support rational frame rate (within fps/r/rate option)
> >> relaxed frame rate restriction (support fractional sample step)
> >> support all input sample rates
> >> separate sonogram and bargraph volume (with volume/sono_v and
> >> volume2/bar_v)
> >> timeclamp option alias (timeclamp/tc)
> >> fcount option
> >> gamma option alias (gamma/sono_g and gamma2/bar_g)
> >> support custom frequency range (basefreq and endfreq)
> >> support drawing axis using external image file (axisfile option)
> >> alias for disabling drawing to axis (text/axis)
> >> possibility to optimize it using arch specific asm code
> >> ---
> >>  doc/filters.texi  |  181 --
> >>  libavfilter/avf_showcqt.c | 1546 
> >> +++--
> >>  libavfilter/avf_showcqt.h |  112 
> >>  libavfilter/version.h |2 +-
> >>  4 files changed, 1302 insertions(+), 539 deletions(-)
> >>  create mode 100644 libavfilter/avf_showcqt.h
> > 
> > applied
> > 
> > thanks
> 
> C:/Dev/ffmpeg/fate/x86_32-msvc2012/src/libavfilter/avf_showcqt.c(316) : error 
> C4013: 'fmax' undefined; assuming extern returning int
> C:/Dev/ffmpeg/fate/x86_32-msvc2012/src/libavfilter/avf_showcqt.c(317) : error 
> C4013: 'fmin' undefined; assuming extern returning int
> C:/Dev/ffmpeg/fate/x86_32-msvc2012/src/libavfilter/avf_showcqt.c(668) : error 
> C4013: 'fminf' undefined; assuming extern returning int
> 
> If these can't be replaced with FFMIN/FFMAX then maybe a fallback version 
> should
> be added to libavutil/libm.h

posted a patch that would attempt that

[...]
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Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

If a bugfix only changes things apparently unrelated to the bug with no
further explanation, that is a good sign that the bugfix is wrong.


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Re: [FFmpeg-devel] [PATCH] avfilter/avf_showcqt: rewrite showcqt and add features

2015-10-28 Thread James Almer 
On 10/27/2015 9:56 PM, Michael Niedermayer wrote:
> On Mon, Oct 26, 2015 at 12:32:58AM +0700, Muhammad Faiz wrote:
>> On Sun, Oct 25, 2015 at 9:51 AM, Michael Niedermayer
>>  wrote:
>>> On Sun, Oct 25, 2015 at 08:43:07AM +0700, Muhammad Faiz wrote:
  doc/filters.texi  |  181 +++--
  libavfilter/avf_showcqt.c | 1546 
 +++---
  libavfilter/avf_showcqt.h |  104 +++
  libavfilter/version.h |2
  4 files changed, 1294 insertions(+), 539 deletions(-)
 3f83a0d334d780da3defa7d1fa3f09b3beb1db2d  
 0001-avfilter-avf_showcqt-rewrite-showcqt-and-add-feature.patch
 From 337a659f96ef5dcf87aad1d541e745b7c262cbb9 Mon Sep 17 00:00:00 2001
 From: Muhammad Faiz 
 Date: Sat, 24 Oct 2015 00:44:42 +0700
 Subject: [PATCH] avfilter/avf_showcqt: rewrite showcqt and add features
>>>
>>> this fails to build on "arm-linux-gnueabi-gcc-4.5 (Ubuntu/Linaro 
>>> 4.5.3-12ubuntu2) 4.5.3"
>>> In file included from ffmpeg/libavfilter/avf_showcqt.c:41:0:
>>> ffmpeg/libavfilter/avf_showcqt.h:39:30: warning: declaration does not 
>>> declare anything
>>> ffmpeg/libavfilter/avf_showcqt.h:40:30: warning: declaration does not 
>>> declare anything
>>> ffmpeg/libavfilter/avf_showcqt.c: In function ‘rgb_from_cqt’:
>>> ffmpeg/libavfilter/avf_showcqt.c:668:13: error: ‘ColorFloat’ has no member 
>>> named ‘r’
>>> ffmpeg/libavfilter/avf_showcqt.c:669:13: error: ‘ColorFloat’ has no member 
>>> named ‘g’
>>> ffmpeg/libavfilter/avf_showcqt.c:670:13: error: ‘ColorFloat’ has no member 
>>> named ‘b’
>>> ffmpeg/libavfilter/avf_showcqt.c: In function ‘yuv_from_cqt’:
>>> ffmpeg/libavfilter/avf_showcqt.c:682:13: error: ‘ColorFloat’ has no member 
>>> named ‘y’
>>> ffmpeg/libavfilter/avf_showcqt.c:683:13: error: ‘ColorFloat’ has no member 
>>> named ‘u’
>>> ffmpeg/libavfilter/avf_showcqt.c:684:13: error: ‘ColorFloat’ has no member 
>>> named ‘v’
>>
>>
>> revision: do not use anonymous struct, it seems it is not supported on
>> some platforms
>>
>> thanks
> 
>>  doc/filters.texi  |  181 +++--
>>  libavfilter/avf_showcqt.c | 1546 
>> +++---
>>  libavfilter/avf_showcqt.h |  112 +++
>>  libavfilter/version.h |2 
>>  4 files changed, 1302 insertions(+), 539 deletions(-)
>> be583ed02fc82b34612c9c1782955795fb8b4259  
>> 0001-avfilter-avf_showcqt-rewrite-showcqt-and-add-feature.patch
>> From e6d6243e03439cffd2d58e30d9892c18e2ef0bc4 Mon Sep 17 00:00:00 2001
>> From: Muhammad Faiz 
>> Date: Mon, 26 Oct 2015 00:18:41 +0700
>> Subject: [PATCH] avfilter/avf_showcqt: rewrite showcqt and add features
>>
>> add yuv444p, yuv422p, and yuv420p output format (lower cpu usage
>> on ffplay playback because it does not do format conversion)
>> custom size with size/s option (fullhd option is deprecated)
>> custom layout with bar_h, axis_h, and sono_h option
>> support rational frame rate (within fps/r/rate option)
>> relaxed frame rate restriction (support fractional sample step)
>> support all input sample rates
>> separate sonogram and bargraph volume (with volume/sono_v and
>> volume2/bar_v)
>> timeclamp option alias (timeclamp/tc)
>> fcount option
>> gamma option alias (gamma/sono_g and gamma2/bar_g)
>> support custom frequency range (basefreq and endfreq)
>> support drawing axis using external image file (axisfile option)
>> alias for disabling drawing to axis (text/axis)
>> possibility to optimize it using arch specific asm code
>> ---
>>  doc/filters.texi  |  181 --
>>  libavfilter/avf_showcqt.c | 1546 
>> +++--
>>  libavfilter/avf_showcqt.h |  112 
>>  libavfilter/version.h |2 +-
>>  4 files changed, 1302 insertions(+), 539 deletions(-)
>>  create mode 100644 libavfilter/avf_showcqt.h
> 
> applied
> 
> thanks

C:/Dev/ffmpeg/fate/x86_32-msvc2012/src/libavfilter/avf_showcqt.c(316) : error 
C4013: 'fmax' undefined; assuming extern returning int
C:/Dev/ffmpeg/fate/x86_32-msvc2012/src/libavfilter/avf_showcqt.c(317) : error 
C4013: 'fmin' undefined; assuming extern returning int
C:/Dev/ffmpeg/fate/x86_32-msvc2012/src/libavfilter/avf_showcqt.c(668) : error 
C4013: 'fminf' undefined; assuming extern returning int

If these can't be replaced with FFMIN/FFMAX then maybe a fallback version should
be added to libavutil/libm.h
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Re: [FFmpeg-devel] [PATCH] avfilter/avf_showcqt: rewrite showcqt and add features

2015-10-27 Thread Michael Niedermayer 
On Mon, Oct 26, 2015 at 12:32:58AM +0700, Muhammad Faiz wrote:
> On Sun, Oct 25, 2015 at 9:51 AM, Michael Niedermayer
>  wrote:
> > On Sun, Oct 25, 2015 at 08:43:07AM +0700, Muhammad Faiz wrote:
> >>  doc/filters.texi  |  181 +++--
> >>  libavfilter/avf_showcqt.c | 1546 
> >> +++---
> >>  libavfilter/avf_showcqt.h |  104 +++
> >>  libavfilter/version.h |2
> >>  4 files changed, 1294 insertions(+), 539 deletions(-)
> >> 3f83a0d334d780da3defa7d1fa3f09b3beb1db2d  
> >> 0001-avfilter-avf_showcqt-rewrite-showcqt-and-add-feature.patch
> >> From 337a659f96ef5dcf87aad1d541e745b7c262cbb9 Mon Sep 17 00:00:00 2001
> >> From: Muhammad Faiz 
> >> Date: Sat, 24 Oct 2015 00:44:42 +0700
> >> Subject: [PATCH] avfilter/avf_showcqt: rewrite showcqt and add features
> >
> > this fails to build on "arm-linux-gnueabi-gcc-4.5 (Ubuntu/Linaro 
> > 4.5.3-12ubuntu2) 4.5.3"
> > In file included from ffmpeg/libavfilter/avf_showcqt.c:41:0:
> > ffmpeg/libavfilter/avf_showcqt.h:39:30: warning: declaration does not 
> > declare anything
> > ffmpeg/libavfilter/avf_showcqt.h:40:30: warning: declaration does not 
> > declare anything
> > ffmpeg/libavfilter/avf_showcqt.c: In function ‘rgb_from_cqt’:
> > ffmpeg/libavfilter/avf_showcqt.c:668:13: error: ‘ColorFloat’ has no member 
> > named ‘r’
> > ffmpeg/libavfilter/avf_showcqt.c:669:13: error: ‘ColorFloat’ has no member 
> > named ‘g’
> > ffmpeg/libavfilter/avf_showcqt.c:670:13: error: ‘ColorFloat’ has no member 
> > named ‘b’
> > ffmpeg/libavfilter/avf_showcqt.c: In function ‘yuv_from_cqt’:
> > ffmpeg/libavfilter/avf_showcqt.c:682:13: error: ‘ColorFloat’ has no member 
> > named ‘y’
> > ffmpeg/libavfilter/avf_showcqt.c:683:13: error: ‘ColorFloat’ has no member 
> > named ‘u’
> > ffmpeg/libavfilter/avf_showcqt.c:684:13: error: ‘ColorFloat’ has no member 
> > named ‘v’
> 
> 
> revision: do not use anonymous struct, it seems it is not supported on
> some platforms
> 
> thanks

>  doc/filters.texi  |  181 +++--
>  libavfilter/avf_showcqt.c | 1546 
> +++---
>  libavfilter/avf_showcqt.h |  112 +++
>  libavfilter/version.h |2 
>  4 files changed, 1302 insertions(+), 539 deletions(-)
> be583ed02fc82b34612c9c1782955795fb8b4259  
> 0001-avfilter-avf_showcqt-rewrite-showcqt-and-add-feature.patch
> From e6d6243e03439cffd2d58e30d9892c18e2ef0bc4 Mon Sep 17 00:00:00 2001
> From: Muhammad Faiz 
> Date: Mon, 26 Oct 2015 00:18:41 +0700
> Subject: [PATCH] avfilter/avf_showcqt: rewrite showcqt and add features
> 
> add yuv444p, yuv422p, and yuv420p output format (lower cpu usage
> on ffplay playback because it does not do format conversion)
> custom size with size/s option (fullhd option is deprecated)
> custom layout with bar_h, axis_h, and sono_h option
> support rational frame rate (within fps/r/rate option)
> relaxed frame rate restriction (support fractional sample step)
> support all input sample rates
> separate sonogram and bargraph volume (with volume/sono_v and
> volume2/bar_v)
> timeclamp option alias (timeclamp/tc)
> fcount option
> gamma option alias (gamma/sono_g and gamma2/bar_g)
> support custom frequency range (basefreq and endfreq)
> support drawing axis using external image file (axisfile option)
> alias for disabling drawing to axis (text/axis)
> possibility to optimize it using arch specific asm code
> ---
>  doc/filters.texi  |  181 --
>  libavfilter/avf_showcqt.c | 1546 
> +++--
>  libavfilter/avf_showcqt.h |  112 
>  libavfilter/version.h |2 +-
>  4 files changed, 1302 insertions(+), 539 deletions(-)
>  create mode 100644 libavfilter/avf_showcqt.h

applied

thanks

[...]

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Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Dictatorship naturally arises out of democracy, and the most aggravated
form of tyranny and slavery out of the most extreme liberty. -- Plato


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Re: [FFmpeg-devel] [PATCH] avfilter/avf_showcqt: rewrite showcqt and add features

2015-10-25 Thread Muhammad Faiz 
On Sun, Oct 25, 2015 at 9:51 AM, Michael Niedermayer
 wrote:
> On Sun, Oct 25, 2015 at 08:43:07AM +0700, Muhammad Faiz wrote:
>>  doc/filters.texi  |  181 +++--
>>  libavfilter/avf_showcqt.c | 1546 
>> +++---
>>  libavfilter/avf_showcqt.h |  104 +++
>>  libavfilter/version.h |2
>>  4 files changed, 1294 insertions(+), 539 deletions(-)
>> 3f83a0d334d780da3defa7d1fa3f09b3beb1db2d  
>> 0001-avfilter-avf_showcqt-rewrite-showcqt-and-add-feature.patch
>> From 337a659f96ef5dcf87aad1d541e745b7c262cbb9 Mon Sep 17 00:00:00 2001
>> From: Muhammad Faiz 
>> Date: Sat, 24 Oct 2015 00:44:42 +0700
>> Subject: [PATCH] avfilter/avf_showcqt: rewrite showcqt and add features
>
> this fails to build on "arm-linux-gnueabi-gcc-4.5 (Ubuntu/Linaro 
> 4.5.3-12ubuntu2) 4.5.3"
> In file included from ffmpeg/libavfilter/avf_showcqt.c:41:0:
> ffmpeg/libavfilter/avf_showcqt.h:39:30: warning: declaration does not declare 
> anything
> ffmpeg/libavfilter/avf_showcqt.h:40:30: warning: declaration does not declare 
> anything
> ffmpeg/libavfilter/avf_showcqt.c: In function ‘rgb_from_cqt’:
> ffmpeg/libavfilter/avf_showcqt.c:668:13: error: ‘ColorFloat’ has no member 
> named ‘r’
> ffmpeg/libavfilter/avf_showcqt.c:669:13: error: ‘ColorFloat’ has no member 
> named ‘g’
> ffmpeg/libavfilter/avf_showcqt.c:670:13: error: ‘ColorFloat’ has no member 
> named ‘b’
> ffmpeg/libavfilter/avf_showcqt.c: In function ‘yuv_from_cqt’:
> ffmpeg/libavfilter/avf_showcqt.c:682:13: error: ‘ColorFloat’ has no member 
> named ‘y’
> ffmpeg/libavfilter/avf_showcqt.c:683:13: error: ‘ColorFloat’ has no member 
> named ‘u’
> ffmpeg/libavfilter/avf_showcqt.c:684:13: error: ‘ColorFloat’ has no member 
> named ‘v’


revision: do not use anonymous struct, it seems it is not supported on
some platforms

thanks


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Re: [FFmpeg-devel] [PATCH] avfilter/avf_showcqt: rewrite showcqt and add features

2015-10-24 Thread Michael Niedermayer 
On Sun, Oct 25, 2015 at 08:43:07AM +0700, Muhammad Faiz wrote:
> On Sat, Oct 24, 2015 at 1:31 AM, Muhammad Faiz  wrote:
> > add yuv444p, yuv422p, and yuv420p output format (lower cpu usage
> > on ffplay playback because it does not do format conversion)
> > custom size with size/s option (fullhd option is deprecated)
> > custom layout with bar_h, axis_h, and sono_h option
> > support rational frame rate (within fps/r/rate option)
> > relaxed frame rate restriction (support fractional sample step)
> > support all input sample rates
> > separate sonogram and bargraph volume (with volume/sono_v and
> > volume2/bar_v)
> > timeclamp option alias (timeclamp/tc)
> > fcount option
> > gamma option alias (gamma/sono_g and gamma2/bar_g)
> > support custom frequency range (basefreq and endfreq)
> > support drawing axis using external image file (axisfile option)
> > alias for disabling drawing to axis (text/axis)
> > possibility to optimize it using arch specific asm code
> >
> > thanks
> 
> patch revision: fix incorrect gamma calculation
> also i attach an example axis image
> 
> thanks

>  doc/filters.texi  |  181 +++--
>  libavfilter/avf_showcqt.c | 1546 
> +++---
>  libavfilter/avf_showcqt.h |  104 +++
>  libavfilter/version.h |2 
>  4 files changed, 1294 insertions(+), 539 deletions(-)
> 3f83a0d334d780da3defa7d1fa3f09b3beb1db2d  
> 0001-avfilter-avf_showcqt-rewrite-showcqt-and-add-feature.patch
> From 337a659f96ef5dcf87aad1d541e745b7c262cbb9 Mon Sep 17 00:00:00 2001
> From: Muhammad Faiz 
> Date: Sat, 24 Oct 2015 00:44:42 +0700
> Subject: [PATCH] avfilter/avf_showcqt: rewrite showcqt and add features

this fails to build on "arm-linux-gnueabi-gcc-4.5 (Ubuntu/Linaro 
4.5.3-12ubuntu2) 4.5.3"
In file included from ffmpeg/libavfilter/avf_showcqt.c:41:0:
ffmpeg/libavfilter/avf_showcqt.h:39:30: warning: declaration does not declare 
anything
ffmpeg/libavfilter/avf_showcqt.h:40:30: warning: declaration does not declare 
anything
ffmpeg/libavfilter/avf_showcqt.c: In function ‘rgb_from_cqt’:
ffmpeg/libavfilter/avf_showcqt.c:668:13: error: ‘ColorFloat’ has no member 
named ‘r’
ffmpeg/libavfilter/avf_showcqt.c:669:13: error: ‘ColorFloat’ has no member 
named ‘g’
ffmpeg/libavfilter/avf_showcqt.c:670:13: error: ‘ColorFloat’ has no member 
named ‘b’
ffmpeg/libavfilter/avf_showcqt.c: In function ‘yuv_from_cqt’:
ffmpeg/libavfilter/avf_showcqt.c:682:13: error: ‘ColorFloat’ has no member 
named ‘y’
ffmpeg/libavfilter/avf_showcqt.c:683:13: error: ‘ColorFloat’ has no member 
named ‘u’
ffmpeg/libavfilter/avf_showcqt.c:684:13: error: ‘ColorFloat’ has no member 
named ‘v’
...
[...]

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In fact, the RIAA has been known to suggest that students drop out
of college or go to community college in order to be able to afford
settlements. -- The RIAA


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Re: [FFmpeg-devel] [PATCH] avfilter/avf_showcqt: rewrite showcqt and add features

2015-10-24 Thread Muhammad Faiz 
On Sat, Oct 24, 2015 at 1:31 AM, Muhammad Faiz  wrote:
> add yuv444p, yuv422p, and yuv420p output format (lower cpu usage
> on ffplay playback because it does not do format conversion)
> custom size with size/s option (fullhd option is deprecated)
> custom layout with bar_h, axis_h, and sono_h option
> support rational frame rate (within fps/r/rate option)
> relaxed frame rate restriction (support fractional sample step)
> support all input sample rates
> separate sonogram and bargraph volume (with volume/sono_v and
> volume2/bar_v)
> timeclamp option alias (timeclamp/tc)
> fcount option
> gamma option alias (gamma/sono_g and gamma2/bar_g)
> support custom frequency range (basefreq and endfreq)
> support drawing axis using external image file (axisfile option)
> alias for disabling drawing to axis (text/axis)
> possibility to optimize it using arch specific asm code
>
> thanks

patch revision: fix incorrect gamma calculation
also i attach an example axis image

thanks


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[FFmpeg-devel] [PATCH] avfilter/avf_showcqt: rewrite showcqt and add features

2015-10-23 Thread Muhammad Faiz 
add yuv444p, yuv422p, and yuv420p output format (lower cpu usage
on ffplay playback because it does not do format conversion)
custom size with size/s option (fullhd option is deprecated)
custom layout with bar_h, axis_h, and sono_h option
support rational frame rate (within fps/r/rate option)
relaxed frame rate restriction (support fractional sample step)
support all input sample rates
separate sonogram and bargraph volume (with volume/sono_v and
volume2/bar_v)
timeclamp option alias (timeclamp/tc)
fcount option
gamma option alias (gamma/sono_g and gamma2/bar_g)
support custom frequency range (basefreq and endfreq)
support drawing axis using external image file (axisfile option)
alias for disabling drawing to axis (text/axis)
possibility to optimize it using arch specific asm code

thanks


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