avfilter/buffersink: add color space/range accessors

Needed for fftools.

doc/APIchanges

@@ -2,6 +2,9 @@ The last version increases of all libraries were on 2023-02-09
 
 API changes, most recent first:
 
+2023-11-xx - xxxxxxxxxx - lavfi 58.16.100 - buffersink.h
+  Add av_buffersink_get_colorspace and av_buffersink_get_color_range.
+
 2023-11-xx - xxxxxxxxxx - lavfi 58.15.100 - avfilter.h
   Add AVFilterLink.colorspace, AVFilterLink.color_range
 

libavfilter/buffersink.c

@@ -209,6 +209,8 @@ MAKE_AVFILTERLINK_ACCESSOR(AVRational       , frame_rate         )
 MAKE_AVFILTERLINK_ACCESSOR(int              , w                  )
 MAKE_AVFILTERLINK_ACCESSOR(int              , h                  )
 MAKE_AVFILTERLINK_ACCESSOR(AVRational       , sample_aspect_ratio)
+MAKE_AVFILTERLINK_ACCESSOR(enum AVColorSpace, colorspace)
+MAKE_AVFILTERLINK_ACCESSOR(enum AVColorRange, color_range)
 
 #if FF_API_OLD_CHANNEL_LAYOUT
 FF_DISABLE_DEPRECATION_WARNINGS

libavfilter/buffersink.h

@@ -117,6 +117,8 @@ AVRational       av_buffersink_get_frame_rate          (const AVFilterContext *c
 int              av_buffersink_get_w                   (const AVFilterContext *ctx);
 int              av_buffersink_get_h                   (const AVFilterContext *ctx);
 AVRational       av_buffersink_get_sample_aspect_ratio (const AVFilterContext *ctx);
+enum AVColorSpace av_buffersink_get_colorspace         (const AVFilterContext *ctx);
+enum AVColorRange av_buffersink_get_color_range        (const AVFilterContext *ctx);
 
 int              av_buffersink_get_channels            (const AVFilterContext *ctx);
 #if FF_API_OLD_CHANNEL_LAYOUT

libavfilter/version.h

@@ -31,7 +31,7 @@
 
 #include "version_major.h"
 
-#define LIBAVFILTER_VERSION_MINOR  15
+#define LIBAVFILTER_VERSION_MINOR  16
 #define LIBAVFILTER_VERSION_MICRO 100