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Implement in AVFilterGraph the scale_sws_opts field, and pass its

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value in the args for the auto-inserted scale filters.

Originally committed as revision 17547 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Stefano Sabatini 2009-02-23 23:45:21 +00:00
parent cacb82134e
commit 39c07b8e44
3 changed files with 7 additions and 2 deletions
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2
libavfilter/avfilter.h
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@ -23,7 +23,7 @@
#define AVFILTER_AVFILTER_H
#define LIBAVFILTER_VERSION_MAJOR 0
#define LIBAVFILTER_VERSION_MINOR 3
#define LIBAVFILTER_VERSION_MINOR 4
#define LIBAVFILTER_VERSION_MICRO 0
#define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \

5
libavfilter/avfiltergraph.c
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@ -30,6 +30,7 @@ void avfilter_destroy_graph(AVFilterGraph *graph)
{
for(; graph->filter_count > 0; graph->filter_count --)
avfilter_destroy(graph->filters[graph->filter_count - 1]);
av_freep(&graph->scale_sws_opts);
av_freep(&graph->filters);
}
@ -111,13 +112,15 @@ static int query_formats(AVFilterGraph *graph)
if(!avfilter_merge_formats(link->in_formats,
link->out_formats)) {
AVFilterContext *scale;
char scale_args[256];
/* couldn't merge format lists. auto-insert scale filter */
snprintf(inst_name, sizeof(inst_name), "auto-inserted scaler %d",
scaler_count);
scale =
avfilter_open(avfilter_get_by_name("scale"),inst_name);
if(!scale || scale->filter->init(scale, NULL, NULL) ||
snprintf(scale_args, sizeof(scale_args), "0:0:%s", graph->scale_sws_opts);
if(!scale || scale->filter->init(scale, scale_args, NULL) ||
avfilter_insert_filter(link, scale, 0, 0)) {
avfilter_destroy(scale);
return -1;

2
libavfilter/avfiltergraph.h
View File

@ -27,6 +27,8 @@
typedef struct AVFilterGraph {
unsigned filter_count;
AVFilterContext **filters;
char *scale_sws_opts; ///< sws options to use for the auto-inserted scale filters
} AVFilterGraph;
/**