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.

Andreas Rheinhardt committed 5 years ago

Commit 7c5f9981 parent 8be701d4 files · +14 −1Browse files

Unified · Split

4 files

@@ -14,6 +14,9 @@ libavutil: 2021-04-27 · 13 unmodified lines
14		14
15	API changes, most recent first:	15	API changes, most recent first:
16		16
		17	2021-08-20 - xxxxxxxxxx - lavfi 8.3.100 - avfilter.H
		18	Add avfilter_filter_pad_count() as a replacement for avfilter_pad_count().
		19
17	2021-08-17 - xxxxxxxxxx - lavu 57.4.101 - opt.h	20	2021-08-17 - xxxxxxxxxx - lavu 57.4.101 - opt.h
18	av_opt_copy() now guarantees that allocated src and dst options	21	av_opt_copy() now guarantees that allocated src and dst options
19	don't alias each other even on error.	22	don't alias each other even on error.

     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;

     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.
  */

@@ -30,7 +30,7 @@ · 29 unmodified lines
30	#include "libavutil/version.h"	30	#include "libavutil/version.h"
31		31
32	#define LIBAVFILTER_VERSION_MAJOR 8	32	#define LIBAVFILTER_VERSION_MAJOR 8
33	#define LIBAVFILTER_VERSION_MINOR 2	33	#define LIBAVFILTER_VERSION_MINOR 3
34	#define LIBAVFILTER_VERSION_MICRO 100	34	#define LIBAVFILTER_VERSION_MICRO 100
35		35
36		36

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