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authorStefano Sabatini <stefano.sabatini-lala@poste.it>2011-07-17 17:05:14 +0200
committerStefano Sabatini <stefano.sabatini-lala@poste.it>2011-07-21 13:04:48 +0200
commitc76974524a622745f3e8e105eb84793ccdb87d0b (patch)
tree45b344885fba9324301113e1dc01860c6edaaa9b /libavfilter
parentdaa62372293a265d8885be94ffd3f243ed1adb91 (diff)
vf_blackframe: port missing features from libmpcodecs blackframe
Use and show picref->video->pict_type and key_frame information. The pict_type and key_frame information was not available at the time of the port.
Diffstat (limited to 'libavfilter')
-rw-r--r--libavfilter/avfilter.h2
-rw-r--r--libavfilter/vf_blackframe.c11
2 files changed, 10 insertions, 3 deletions
diff --git a/libavfilter/avfilter.h b/libavfilter/avfilter.h
index d89ac26e9f..05cac39449 100644
--- a/libavfilter/avfilter.h
+++ b/libavfilter/avfilter.h
@@ -30,7 +30,7 @@
#define LIBAVFILTER_VERSION_MAJOR 2
#define LIBAVFILTER_VERSION_MINOR 27
-#define LIBAVFILTER_VERSION_MICRO 0
+#define LIBAVFILTER_VERSION_MICRO 1
#define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \
LIBAVFILTER_VERSION_MINOR, \
diff --git a/libavfilter/vf_blackframe.c b/libavfilter/vf_blackframe.c
index 41b4a92ce5..843e8273f4 100644
--- a/libavfilter/vf_blackframe.c
+++ b/libavfilter/vf_blackframe.c
@@ -34,6 +34,7 @@ typedef struct {
unsigned int bthresh; ///< black threshold
unsigned int frame; ///< frame number
unsigned int nblack; ///< number of black pixels counted so far
+ unsigned int last_keyframe; ///< frame number of the last received key-frame
} BlackFrameContext;
static int query_formats(AVFilterContext *ctx)
@@ -56,6 +57,7 @@ static av_cold int init(AVFilterContext *ctx, const char *args, void *opaque)
blackframe->bthresh = 32;
blackframe->nblack = 0;
blackframe->frame = 0;
+ blackframe->last_keyframe = 0;
if (args)
sscanf(args, "%u:%u", &blackframe->bamount, &blackframe->bthresh);
@@ -95,11 +97,16 @@ static void end_frame(AVFilterLink *inlink)
AVFilterBufferRef *picref = inlink->cur_buf;
int pblack = 0;
+ if (picref->video->key_frame)
+ blackframe->last_keyframe = blackframe->frame;
+
pblack = blackframe->nblack * 100 / (inlink->w * inlink->h);
if (pblack >= blackframe->bamount)
- av_log(ctx, AV_LOG_INFO, "frame:%u pblack:%u pos:%"PRId64" pts:%"PRId64" t:%f\n",
+ av_log(ctx, AV_LOG_INFO, "frame:%u pblack:%u pos:%"PRId64" pts:%"PRId64" t:%f "
+ "type:%c last_keyframe:%d\n",
blackframe->frame, pblack, picref->pos, picref->pts,
- picref->pts == AV_NOPTS_VALUE ? -1 : picref->pts * av_q2d(inlink->time_base));
+ picref->pts == AV_NOPTS_VALUE ? -1 : picref->pts * av_q2d(inlink->time_base),
+ av_get_picture_type_char(picref->video->pict_type), blackframe->last_keyframe);
blackframe->frame++;
blackframe->nblack = 0;