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Implement avfilter_graph_alloc().

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Originally committed as revision 25673 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Stefano Sabatini 2010-11-04 20:34:19 +00:00
parent a6fdd5748f
commit e15aeea656
6 changed files with 16 additions and 3 deletions
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3
doc/APIchanges
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@ -13,6 +13,9 @@ libavutil: 2009-03-08
API changes, most recent first:
2010-11-04 - r25672 - lavfi 1.55.0 - avfilter_graph_alloc()
Add avfilter_graph_alloc() to libavfilter/avfiltergraph.h.
2010-11-02 - r25654 - lavcore 0.12.0 - av_get_bits_per_sample_fmt()
Add av_get_bits_per_sample_fmt() to libavcore/samplefmt.h and
deprecate av_get_bits_per_sample_format().

2
ffmpeg.c
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@ -345,7 +345,7 @@ static int configure_filters(AVInputStream *ist, AVOutputStream *ost)
char args[255];
int ret;
graph = av_mallocz(sizeof(AVFilterGraph));
graph = avfilter_graph_alloc();
if ((ret = avfilter_open(&ist->input_video_filter, avfilter_get_by_name("buffer"), "src")) < 0)
return ret;

2
ffplay.c
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@ -1795,7 +1795,7 @@ static int video_thread(void *arg)
char sws_flags_str[128];
FFSinkContext ffsink_ctx = { .pix_fmt = PIX_FMT_YUV420P };
AVFilterContext *filt_src = NULL, *filt_out = NULL;
AVFilterGraph *graph = av_mallocz(sizeof(AVFilterGraph));
AVFilterGraph *graph = avfilter_graph_alloc();
snprintf(sws_flags_str, sizeof(sws_flags_str), "flags=%d", sws_flags);
graph->scale_sws_opts = av_strdup(sws_flags_str);

2
libavfilter/avfilter.h
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@ -25,7 +25,7 @@
#include "libavutil/avutil.h"
#define LIBAVFILTER_VERSION_MAJOR 1
#define LIBAVFILTER_VERSION_MINOR 54
#define LIBAVFILTER_VERSION_MINOR 55
#define LIBAVFILTER_VERSION_MICRO 0
#define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \

5
libavfilter/avfiltergraph.c
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@ -26,6 +26,11 @@
#include "avfilter.h"
#include "avfiltergraph.h"
AVFilterGraph *avfilter_graph_alloc(void)
{
return av_mallocz(sizeof(AVFilterGraph));
}
void avfilter_graph_destroy(AVFilterGraph *graph)
{
for(; graph->filter_count > 0; graph->filter_count --)

5
libavfilter/avfiltergraph.h
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@ -31,6 +31,11 @@ typedef struct AVFilterGraph {
char *scale_sws_opts; ///< sws options to use for the auto-inserted scale filters
} AVFilterGraph;
/**
* Allocate a filter graph.
*/
AVFilterGraph *avfilter_graph_alloc(void);
/**
* Get a filter instance with name name from graph.
*