Skip to content
Projects
Groups
Snippets
Help
Loading...
Help
Submit feedback
Contribute to GitLab
Sign in
Toggle navigation
F
ffmpeg
Project
Project
Details
Activity
Releases
Cycle Analytics
Repository
Repository
Files
Commits
Branches
Tags
Contributors
Graph
Compare
Charts
Issues
0
Issues
0
List
Board
Labels
Milestones
Merge Requests
0
Merge Requests
0
CI / CD
CI / CD
Pipelines
Jobs
Schedules
Charts
Wiki
Wiki
Members
Members
Collapse sidebar
Close sidebar
Activity
Graph
Charts
Create a new issue
Jobs
Commits
Issue Boards
Open sidebar
Stefan Westerfeld
ffmpeg
Commits
9e11a7e1
Commit
9e11a7e1
authored
Feb 13, 2022
by
Paul B Mahol
Browse files
Options
Browse Files
Download
Email Patches
Plain Diff
avfilter/af_aderivative: add timeline support
parent
66f8f9ed
Changes
1
Hide whitespace changes
Inline
Side-by-side
Showing
1 changed file
with
22 additions
and
1 deletion
+22
-1
af_aderivative.c
libavfilter/af_aderivative.c
+22
-1
No files found.
libavfilter/af_aderivative.c
View file @
9e11a7e1
...
...
@@ -16,6 +16,7 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libavutil/opt.h"
#include "audio.h"
#include "avfilter.h"
#include "internal.h"
...
...
@@ -103,8 +104,18 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
AVFilterContext
*
ctx
=
inlink
->
dst
;
ADerivativeContext
*
s
=
ctx
->
priv
;
AVFilterLink
*
outlink
=
ctx
->
outputs
[
0
];
AVFrame
*
out
=
ff_get_audio_buffer
(
outlink
,
in
->
nb_samples
)
;
AVFrame
*
out
;
if
(
ctx
->
is_disabled
)
{
if
(
s
->
prev
)
av_samples_set_silence
(
s
->
prev
->
extended_data
,
0
,
1
,
s
->
prev
->
channels
,
s
->
prev
->
format
);
return
ff_filter_frame
(
outlink
,
in
);
}
out
=
ff_get_audio_buffer
(
outlink
,
in
->
nb_samples
);
if
(
!
out
)
{
av_frame_free
(
&
in
);
return
AVERROR
(
ENOMEM
);
...
...
@@ -149,23 +160,33 @@ static const AVFilterPad aderivative_outputs[] = {
},
};
static
const
AVOption
aderivative_options
[]
=
{
{
NULL
}
};
AVFILTER_DEFINE_CLASS_EXT
(
aderivative
,
"aderivative/aintegral"
,
aderivative_options
);
const
AVFilter
ff_af_aderivative
=
{
.
name
=
"aderivative"
,
.
description
=
NULL_IF_CONFIG_SMALL
(
"Compute derivative of input audio."
),
.
priv_size
=
sizeof
(
ADerivativeContext
),
.
priv_class
=
&
aderivative_class
,
.
uninit
=
uninit
,
FILTER_INPUTS
(
aderivative_inputs
),
FILTER_OUTPUTS
(
aderivative_outputs
),
FILTER_SAMPLEFMTS
(
AV_SAMPLE_FMT_S16P
,
AV_SAMPLE_FMT_FLTP
,
AV_SAMPLE_FMT_S32P
,
AV_SAMPLE_FMT_DBLP
),
.
flags
=
AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL
,
};
const
AVFilter
ff_af_aintegral
=
{
.
name
=
"aintegral"
,
.
description
=
NULL_IF_CONFIG_SMALL
(
"Compute integral of input audio."
),
.
priv_size
=
sizeof
(
ADerivativeContext
),
.
priv_class
=
&
aderivative_class
,
.
uninit
=
uninit
,
FILTER_INPUTS
(
aderivative_inputs
),
FILTER_OUTPUTS
(
aderivative_outputs
),
FILTER_SAMPLEFMTS
(
AV_SAMPLE_FMT_FLTP
,
AV_SAMPLE_FMT_DBLP
),
.
flags
=
AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL
,
};
Write
Preview
Markdown
is supported
0%
Try again
or
attach a new file
Attach a file
Cancel
You are about to add
0
people
to the discussion. Proceed with caution.
Finish editing this message first!
Cancel
Please
register
or
sign in
to comment