avfilter/vf_thumbnail: allow to change stats log level

Paul B Mahol committed 3 years ago

Commit 520111c1 parent 46642ce2 files · +13 −3Browse files

Unified · Split

2 files

doc/filters.texi +4 −0
libavfilter/vf_thumbnail.c +9 −3

@@ -22193,6 +22193,10 @@ The filter accepts the following options: · 22192 unmodified lines
22193	22193	Set the frames batch size to analyze; in a set of @var{n} frames, the filter
22194	22194	will pick one of them, and then handle the next batch of @var{n} frames until
22195	22195	the end. Default is @code{100}.
	22196	+
	22197	+@item log
	22198	+Set the log level to display picked frame stats.
	22199	+Default is @code{info}.
22196	22200	@end table
22197	22201
22198	22202	Since the filter keeps track of the whole frames sequence, a bigger @var{n}

libavfilter/vf_thumbnail.c+9−3

@@ -42,6 +42,7 @@ struct thumb_frame { · 41 unmodified lines
42	42	typedef struct ThumbContext {
43	43	const AVClass *class;
44	44	int n; ///< current frame
	45	+ int loglevel;
45	46	int n_frames; ///< number of frames for analysis
46	47	struct thumb_frame *frames; ///< the n_frames frames
47	48	AVRational tb; ///< copy of the input timebase to ease access
@@ -58,6 +59,10 @@ typedef struct ThumbContext { · 10 unmodified lines
58	59
59	60	static const AVOption thumbnail_options[] = {
60	61	{ "n", "set the frames batch size", OFFSET(n_frames), AV_OPT_TYPE_INT, {.i64=100}, 2, INT_MAX, FLAGS },
	62	+ { "log", "force stats logging level", OFFSET(loglevel), AV_OPT_TYPE_INT, {.i64 = AV_LOG_INFO}, INT_MIN, INT_MAX, FLAGS, "level" },
	63	+ { "quiet", "logging disabled", 0, AV_OPT_TYPE_CONST, {.i64 = AV_LOG_QUIET}, 0, 0, FLAGS, "level" },
	64	+ { "info", "information logging level", 0, AV_OPT_TYPE_CONST, {.i64 = AV_LOG_INFO}, 0, 0, FLAGS, "level" },
	65	+ { "verbose", "verbose logging level", 0, AV_OPT_TYPE_CONST, {.i64 = AV_LOG_VERBOSE}, 0, 0, FLAGS, "level" },
61	66	{ NULL }
62	67	};
63	68
@@ -127,9 +132,10 @@ static AVFrame get_best_frame(AVFilterContext ctx) · 63 unmodified lines
127	132
128	133	// raise the chosen one
129	134	picref = s->frames[best_frame_idx].buf;
130		− av_log(ctx, AV_LOG_INFO, "frame id #%d (pts_time=%f) selected "
131		− "from a set of %d images\n", best_frame_idx,
132		− picref->pts * av_q2d(s->tb), nb_frames);
	135	+ if (s->loglevel != AV_LOG_QUIET)
	136	+ av_log(ctx, s->loglevel, "frame id #%d (pts_time=%f) selected "
	137	+ "from a set of %d images\n", best_frame_idx,
	138	+ picref->pts * av_q2d(s->tb), nb_frames);
133	139	s->frames[best_frame_idx].buf = NULL;
134	140
135	141	return picref;

avfilter/vf_thumbnail: allow to change stats log level

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