avfilter/vf_idet: add both multiple and single frame detection metadata

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

doc/filters.texi

@@ -5573,6 +5573,34 @@ Detect video interlacing type.
 This filter tries to detect if the input is interlaced or progressive,
 top or bottom field first.
 
+The filter will log these metadata values:
+
+@table @option
+@item single.tff
+Cumulative number of frames detected as top field first using single-frame detection.
+
+@item multiple.tff
+Cumulative number of frames detected as top field first using multiple-frame detection.
+
+@item single.bff
+Cumulative number of frames detected as bottom field first using single-frame detection.
+
+@item multiple.bff
+Cumulative number of frames detected as bottom field first using multiple-frame detection.
+
+@item single.progressive
+Cumulative number of frames detected as progressive using single-frame detection.
+
+@item multiple.progressive
+Cumulative number of frames detected as progressive using multiple-frame detection.
+
+@item single.undetermined
+Cumulative number of frames that could not be classified using single-frame detection.
+
+@item multiple.undetermined
+Cumulative number of frames that could not be classified using multiple-frame detection.
+@end table
+
 The filter accepts the following options:
 
 @table @option

libavfilter/version.h

@@ -30,8 +30,8 @@
 #include "libavutil/version.h"
 
 #define LIBAVFILTER_VERSION_MAJOR  5
-#define LIBAVFILTER_VERSION_MINOR  1
-#define LIBAVFILTER_VERSION_MICRO 106
+#define LIBAVFILTER_VERSION_MINOR  2
+#define LIBAVFILTER_VERSION_MICRO 100
 
 #define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \
                                                LIBAVFILTER_VERSION_MINOR, \

libavfilter/vf_idet.c

@@ -178,10 +178,15 @@ static int filter_frame(AVFilterLink *link, AVFrame *picref)
 
     filter(ctx);
 
-    av_dict_set_int(metadata, "lavfi.idet.tff", idet->prestat[TFF], 0);
-    av_dict_set_int(metadata, "lavfi.idet.bff", idet->prestat[BFF], 0);
-    av_dict_set_int(metadata, "lavfi.idet.progressive", idet->prestat[PROGRESSIVE], 0);
-    av_dict_set_int(metadata, "lavfi.idet.undetermined", idet->prestat[UNDETERMINED], 0);
+    av_dict_set_int(metadata, "lavfi.idet.single.tff", idet->prestat[TFF], 0);
+    av_dict_set_int(metadata, "lavfi.idet.single.bff", idet->prestat[BFF], 0);
+    av_dict_set_int(metadata, "lavfi.idet.single.progressive", idet->prestat[PROGRESSIVE], 0);
+    av_dict_set_int(metadata, "lavfi.idet.single.undetermined", idet->prestat[UNDETERMINED], 0);
+
+    av_dict_set_int(metadata, "lavfi.idet.multiple.tff", idet->poststat[TFF], 0);
+    av_dict_set_int(metadata, "lavfi.idet.multiple.bff", idet->poststat[BFF], 0);
+    av_dict_set_int(metadata, "lavfi.idet.multiple.progressive", idet->poststat[PROGRESSIVE], 0);
+    av_dict_set_int(metadata, "lavfi.idet.multiple.undetermined", idet->poststat[UNDETERMINED], 0);
 
     return ff_filter_frame(ctx->outputs[0], av_frame_clone(idet->cur));
 }