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Allow code to pass data to filters it creates. 

Commited in SoC by Bobby Bingham on 2007-07-15 16:45:50

Originally committed as revision 12087 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Vitor Sessak 2008-02-15 22:13:05 +00:00
parent 443e73f08f
commit 6e365c5720
1 changed files with 4 additions and 2 deletions
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6
libavfilter/avfilter.h
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@ -166,8 +166,10 @@ typedef struct
/**
* Filter initialization function. Args contains the user-supplied
* parameters. FIXME: maybe an AVOption-based system would be better?
* opaque is data provided by the code requesting creation of the filter,
* and is used to pass data to the filter.
*/
int (*init)(AVFilterContext *ctx, const char *args);
int (*init)(AVFilterContext *ctx, const char *args, const void *opaque);
void (*uninit)(AVFilterContext *ctx);
const AVFilterPad *inputs; /// NULL terminated list of inputs. NULL if none
@ -220,7 +222,7 @@ AVFilter *avfilter_get_by_name(char *name);
AVFilterContext *avfilter_create(AVFilter *filter, char *inst_name);
AVFilterContext *avfilter_create_by_name(char *name, char *inst_name);
int avfilter_init_filter(AVFilterContext *filter, const char *args);
int avfilter_init_filter(AVFilterContext *filter, const char *args, void *opaque);
void avfilter_destroy(AVFilterContext *filter);
int *avfilter_make_format_list(int len, ...);