[FFmpeg-devel] [PATCH] lavfi: add bench and abench filters
Clément Bœsch
u at pkh.me
Mon Feb 29 12:32:02 CET 2016
From: Clément Bœsch <clement at stupeflix.com>
---
TODO: doc, bump, Changelog
example: -vf bench=start,gradfun,format=rgba,hqx,bench=stop
---
libavfilter/Makefile | 2 +
libavfilter/allfilters.c | 2 +
libavfilter/f_bench.c | 132 +++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 136 insertions(+)
create mode 100644 libavfilter/f_bench.c
diff --git a/libavfilter/Makefile b/libavfilter/Makefile
index 605ca29..be4b3c1 100644
--- a/libavfilter/Makefile
+++ b/libavfilter/Makefile
@@ -24,6 +24,7 @@ OBJS = allfilters.o \
transform.o \
video.o \
+OBJS-$(CONFIG_ABENCH_FILTER) += f_bench.o
OBJS-$(CONFIG_ACOMPRESSOR_FILTER) += af_sidechaincompress.o
OBJS-$(CONFIG_ACROSSFADE_FILTER) += af_afade.o
OBJS-$(CONFIG_ADELAY_FILTER) += af_adelay.o
@@ -116,6 +117,7 @@ OBJS-$(CONFIG_ALPHAEXTRACT_FILTER) += vf_extractplanes.o
OBJS-$(CONFIG_ALPHAMERGE_FILTER) += vf_alphamerge.o
OBJS-$(CONFIG_ATADENOISE_FILTER) += vf_atadenoise.o
OBJS-$(CONFIG_BBOX_FILTER) += bbox.o vf_bbox.o
+OBJS-$(CONFIG_BENCH_FILTER) += f_bench.o
OBJS-$(CONFIG_BLACKDETECT_FILTER) += vf_blackdetect.o
OBJS-$(CONFIG_BLACKFRAME_FILTER) += vf_blackframe.o
OBJS-$(CONFIG_BLEND_FILTER) += vf_blend.o dualinput.o framesync.o
diff --git a/libavfilter/allfilters.c b/libavfilter/allfilters.c
index e44a9d5..d6145d6 100644
--- a/libavfilter/allfilters.c
+++ b/libavfilter/allfilters.c
@@ -45,6 +45,7 @@ void avfilter_register_all(void)
return;
initialized = 1;
+ REGISTER_FILTER(ABENCH, abench, af);
REGISTER_FILTER(ACOMPRESSOR, acompressor, af);
REGISTER_FILTER(ACROSSFADE, acrossfade, af);
REGISTER_FILTER(ADELAY, adelay, af);
@@ -136,6 +137,7 @@ void avfilter_register_all(void)
REGISTER_FILTER(ALPHAMERGE, alphamerge, vf);
REGISTER_FILTER(ATADENOISE, atadenoise, vf);
REGISTER_FILTER(ASS, ass, vf);
+ REGISTER_FILTER(BENCH, bench, vf);
REGISTER_FILTER(BBOX, bbox, vf);
REGISTER_FILTER(BLACKDETECT, blackdetect, vf);
REGISTER_FILTER(BLACKFRAME, blackframe, vf);
diff --git a/libavfilter/f_bench.c b/libavfilter/f_bench.c
new file mode 100644
index 0000000..9a3faa0
--- /dev/null
+++ b/libavfilter/f_bench.c
@@ -0,0 +1,132 @@
+/*
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "libavutil/opt.h"
+#include "libavutil/time.h"
+#include "avfilter.h"
+#include "formats.h"
+#include "internal.h"
+#include "video.h"
+
+enum BenchAction {
+ ACTION_START,
+ ACTION_STOP,
+ NB_ACTION
+};
+
+typedef struct {
+ const AVClass *class;
+ int action;
+} BenchContext;
+
+#define OFFSET(x) offsetof(BenchContext, x)
+#define DEFINE_OPTIONS(filt_name, FLAGS) \
+static const AVOption filt_name##_options[] = { \
+ { "action", "set action", OFFSET(action), AV_OPT_TYPE_INT, {.i64=ACTION_START}, 0, NB_ACTION-1, FLAGS, "action" }, \
+ { "start", "start timer", 0, AV_OPT_TYPE_CONST, {.i64=ACTION_START}, INT_MIN, INT_MAX, FLAGS, "action" }, \
+ { "stop", "stop timer", 0, AV_OPT_TYPE_CONST, {.i64=ACTION_STOP}, INT_MIN, INT_MAX, FLAGS, "action" }, \
+ { NULL } \
+}
+
+#define START_TIME_KEY "lavfi.bench.start_time"
+
+static int filter_frame(AVFilterLink *inlink, AVFrame *in)
+{
+ AVFilterContext *ctx = inlink->dst;
+ BenchContext *bench = ctx->priv;
+ AVFilterLink *outlink = ctx->outputs[0];
+ const int64_t t = av_gettime();
+
+ if (t < 0)
+ return ff_filter_frame(outlink, in);
+
+ if (bench->action == ACTION_START) {
+ av_dict_set_int(&in->metadata, START_TIME_KEY, t, 0);
+ } else if (bench->action = ACTION_STOP) {
+ AVDictionaryEntry *e = av_dict_get(in->metadata, START_TIME_KEY, NULL, 0);
+ if (e) {
+ const int64_t start = strtoll(e->value, NULL, 0);
+ av_log(bench, AV_LOG_INFO, "%f\n", (t - start) / 1000000.);
+ }
+ av_dict_set(&in->metadata, START_TIME_KEY, NULL, 0);
+ }
+
+ return ff_filter_frame(outlink, in);
+}
+
+#if CONFIG_BENCH_FILTER
+DEFINE_OPTIONS(bench, AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM);
+AVFILTER_DEFINE_CLASS(bench);
+
+static const AVFilterPad bench_inputs[] = {
+ {
+ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .filter_frame = filter_frame,
+ },
+ { NULL }
+};
+
+static const AVFilterPad bench_outputs[] = {
+ {
+ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO,
+ },
+ { NULL }
+};
+
+AVFilter ff_vf_bench = {
+ .name = "bench",
+ .description = NULL_IF_CONFIG_SMALL("Benchmark part of a filtergraph."),
+ .priv_size = sizeof(BenchContext),
+ .inputs = bench_inputs,
+ .outputs = bench_outputs,
+ .priv_class = &bench_class,
+};
+#endif /* CONFIG_BENCH_FILTER */
+
+#if CONFIG_ABENCH_FILTER
+DEFINE_OPTIONS(abench, AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_AUDIO_PARAM);
+AVFILTER_DEFINE_CLASS(abench);
+
+static const AVFilterPad abench_inputs[] = {
+ {
+ .name = "default",
+ .type = AVMEDIA_TYPE_AUDIO,
+ .filter_frame = filter_frame,
+ },
+ { NULL }
+};
+
+static const AVFilterPad abench_outputs[] = {
+ {
+ .name = "default",
+ .type = AVMEDIA_TYPE_AUDIO,
+ },
+ { NULL }
+};
+
+AVFilter ff_af_abench = {
+ .name = "abench",
+ .description = NULL_IF_CONFIG_SMALL("Benchmark part of a filtergraph."),
+ .priv_size = sizeof(BenchContext),
+ .inputs = abench_inputs,
+ .outputs = abench_outputs,
+ .priv_class = &abench_class,
+};
+#endif /* CONFIG_ABENCH_FILTER */
--
2.7.1
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