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Add avfilter_graph_config(). 

Originally committed as revision 25502 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Stefano Sabatini 2010-10-16 10:20:53 +00:00
parent 0b6d358a09
commit 2a24df9357
7 changed files with 30 additions and 14 deletions
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3
doc/APIchanges
View File

@ -13,6 +13,9 @@ libavutil: 2009-03-08
API changes, most recent first:
2010-10-16 - r25502 - lavfi 1.52.0 - avfilter_graph_config()
Add the function avfilter_graph_config() in avfiltergraph.h.
2010-10-15 - r25493 - lavf 52.83.0 - metadata API
Change demuxers to export metadata in generic format and
muxers to accept generic format. Deprecate the public

7
ffmpeg.c
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@ -452,12 +452,7 @@ static int configure_filters(AVInputStream *ist, AVOutputStream *ost)
return ret;
}
/* configure all the filter links */
if ((ret = avfilter_graph_check_validity(graph, NULL)) < 0)
return ret;
if ((ret = avfilter_graph_config_formats(graph, NULL)) < 0)
return ret;
if ((ret = avfilter_graph_config_links(graph, NULL)) < 0)
if ((ret = avfilter_graph_config(graph, NULL)) < 0)
return ret;
codec->width = ist->output_video_filter->inputs[0]->w;

5
ffplay.c
View File

@ -1849,9 +1849,8 @@ static int video_thread(void *arg)
avfilter_graph_add_filter(graph, filt_src);
avfilter_graph_add_filter(graph, filt_out);
if(avfilter_graph_check_validity(graph, NULL)) goto the_end;
if(avfilter_graph_config_formats(graph, NULL)) goto the_end;
if(avfilter_graph_config_links(graph, NULL)) goto the_end;
if (avfilter_graph_config(graph, NULL) < 0)
goto the_end;
is->out_video_filter = filt_out;
#endif

4
libavfilter/avfilter.h
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@ -25,8 +25,8 @@
#include "libavutil/avutil.h"
#define LIBAVFILTER_VERSION_MAJOR 1
#define LIBAVFILTER_VERSION_MINOR 51
#define LIBAVFILTER_VERSION_MICRO 1
#define LIBAVFILTER_VERSION_MINOR 52
#define LIBAVFILTER_VERSION_MICRO 0
#define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \
LIBAVFILTER_VERSION_MINOR, \

13
libavfilter/avfiltergraph.c
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@ -202,3 +202,16 @@ int avfilter_graph_config_formats(AVFilterGraph *graph, AVClass *log_ctx)
return 0;
}
int avfilter_graph_config(AVFilterGraph *graphctx, AVClass *log_ctx)
{
int ret;
if ((ret = avfilter_graph_check_validity(graphctx, log_ctx)))
return ret;
if ((ret = avfilter_graph_config_formats(graphctx, log_ctx)))
return ret;
if ((ret = avfilter_graph_config_links(graphctx, log_ctx)))
return ret;
return 0;
}

8
libavfilter/avfiltergraph.h
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@ -69,6 +69,14 @@ int avfilter_graph_config_links(AVFilterGraph *graphctx, AVClass *log_ctx);
*/
int avfilter_graph_config_formats(AVFilterGraph *graphctx, AVClass *log_ctx);
/**
* Check validity and configure all the links and formats in the graph.
*
* @see avfilter_graph_check_validity(), avfilter_graph_config_links(),
* avfilter_graph_config_formats()
*/
int avfilter_graph_config(AVFilterGraph *graphctx, AVClass *log_ctx);
/**
* Free a graph and destroy its links.
*/

4
tools/graph2dot.c
View File

@ -152,9 +152,7 @@ int main(int argc, char **argv)
return 1;
}
if (avfilter_graph_check_validity(graph, NULL) ||
avfilter_graph_config_formats(graph, NULL) ||
avfilter_graph_config_links (graph, NULL))
if (avfilter_graph_config(graph, NULL) < 0)
return 1;
print_digraph(outfile, graph);