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lavfi: add init_opaque callback
This will be used by filters which require an opaque field to be passed in input. Should be required only for filters which imply a programmatic use. This is possibly a temporary solution, to be removed when we'll have a clearer and better agreememnt of how/if to pass binary data for initializing a filter. See thread: Subject: [FFmpeg-devel][PATCH] lavfi: add init2 callback Date: Fri, 6 Jul 2012 01:22:17 +0200
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@ -15,6 +15,9 @@ libavutil: 2011-04-18
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API changes, most recent first:
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API changes, most recent first:
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2012-07-10 - xxxxxxx - lavfi 3.2.0 - avfilter.h
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Add init_opaque() callback to AVFilter struct.
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2012-06-26 - xxxxxxx - lavu 51.63.100 - imgutils.h
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2012-06-26 - xxxxxxx - lavu 51.63.100 - imgutils.h
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Add functions to libavutil/imgutils.h:
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Add functions to libavutil/imgutils.h:
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av_image_get_buffer_size()
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av_image_get_buffer_size()
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@ -554,7 +554,9 @@ int avfilter_init_filter(AVFilterContext *filter, const char *args, void *opaque
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{
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{
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int ret=0;
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int ret=0;
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if (filter->filter->init)
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if (filter->filter->init_opaque)
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ret = filter->filter->init_opaque(filter, args, opaque);
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else if (filter->filter->init)
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ret = filter->filter->init(filter, args);
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ret = filter->filter->init(filter, args);
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return ret;
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return ret;
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}
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}
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@ -447,6 +447,13 @@ typedef struct AVFilter {
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* AVERROR(ENOSYS) on unsupported commands
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* AVERROR(ENOSYS) on unsupported commands
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*/
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*/
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int (*process_command)(AVFilterContext *, const char *cmd, const char *arg, char *res, int res_len, int flags);
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int (*process_command)(AVFilterContext *, const char *cmd, const char *arg, char *res, int res_len, int flags);
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/**
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* Filter initialization function, alternative to the init()
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* callback. Args contains the user-supplied parameters, opaque is
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* used for providing binary data.
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*/
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int (*init_opaque)(AVFilterContext *ctx, const char *args, void *opaque);
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} AVFilter;
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} AVFilter;
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/** An instance of a filter */
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/** An instance of a filter */
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@ -29,7 +29,7 @@
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#include "libavutil/avutil.h"
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#include "libavutil/avutil.h"
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#define LIBAVFILTER_VERSION_MAJOR 3
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#define LIBAVFILTER_VERSION_MAJOR 3
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#define LIBAVFILTER_VERSION_MINOR 1
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#define LIBAVFILTER_VERSION_MINOR 2
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#define LIBAVFILTER_VERSION_MICRO 100
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#define LIBAVFILTER_VERSION_MICRO 100
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#define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \
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#define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \
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