[FFmpeg-cvslog] avfilter/avfilter: Add avfilter_filter_pad_count()
Andreas Rheinhardt
git at videolan.org
Fri Aug 20 15:32:57 EEST 2021
ffmpeg | branch: master | Andreas Rheinhardt <andreas.rheinhardt at outlook.com> | Sun Aug 15 07:32:05 2021 +0200| [7c5f998196d101a661d802aa48dd62dd93d1fb3d] | committer: Andreas Rheinhardt
avfilter/avfilter: Add avfilter_filter_pad_count()
It is intended as replacement for avfilter_pad_count(). In contrast to
the latter, it avoids a loop.
Reviewed-by: Nicolas George <george at nsup.org>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at outlook.com>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=7c5f998196d101a661d802aa48dd62dd93d1fb3d
---
doc/APIchanges | 3 +++
libavfilter/avfilter.c | 5 +++++
libavfilter/avfilter.h | 5 +++++
libavfilter/version.h | 2 +-
4 files changed, 14 insertions(+), 1 deletion(-)
diff --git a/doc/APIchanges b/doc/APIchanges
index 393ae68fa7..72c5fae125 100644
--- a/doc/APIchanges
+++ b/doc/APIchanges
@@ -14,6 +14,9 @@ libavutil: 2021-04-27
API changes, most recent first:
+2021-08-20 - xxxxxxxxxx - lavfi 8.3.100 - avfilter.H
+ Add avfilter_filter_pad_count() as a replacement for avfilter_pad_count().
+
2021-08-17 - xxxxxxxxxx - lavu 57.4.101 - opt.h
av_opt_copy() now guarantees that allocated src and dst options
don't alias each other even on error.
diff --git a/libavfilter/avfilter.c b/libavfilter/avfilter.c
index a869a76b71..b5f5616fde 100644
--- a/libavfilter/avfilter.c
+++ b/libavfilter/avfilter.c
@@ -556,6 +556,11 @@ int avfilter_pad_count(const AVFilterPad *pads)
av_assert0(!"AVFilterPad list not from a filter");
}
+unsigned avfilter_filter_pad_count(const AVFilter *filter, int is_output)
+{
+ return is_output ? filter->nb_outputs : filter->nb_inputs;
+}
+
static const char *default_filter_name(void *filter_ctx)
{
AVFilterContext *ctx = filter_ctx;
diff --git a/libavfilter/avfilter.h b/libavfilter/avfilter.h
index 5025fafdc5..3a0f0b7926 100644
--- a/libavfilter/avfilter.h
+++ b/libavfilter/avfilter.h
@@ -325,6 +325,11 @@ typedef struct AVFilter {
int (*activate)(AVFilterContext *ctx);
} AVFilter;
+/**
+ * Get the number of elements in an AVFilter's inputs or outputs array.
+ */
+unsigned avfilter_filter_pad_count(const AVFilter *filter, int is_output);
+
/**
* Process multiple parts of the frame concurrently.
*/
diff --git a/libavfilter/version.h b/libavfilter/version.h
index 67f2a5883c..cb4c19cf05 100644
--- a/libavfilter/version.h
+++ b/libavfilter/version.h
@@ -30,7 +30,7 @@
#include "libavutil/version.h"
#define LIBAVFILTER_VERSION_MAJOR 8
-#define LIBAVFILTER_VERSION_MINOR 2
+#define LIBAVFILTER_VERSION_MINOR 3
#define LIBAVFILTER_VERSION_MICRO 100
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