152 lines
4.6 KiB
C
152 lines
4.6 KiB
C
/*
|
|
* 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"
|
|
|
|
enum BenchAction {
|
|
ACTION_START,
|
|
ACTION_STOP,
|
|
NB_ACTION
|
|
};
|
|
|
|
typedef struct {
|
|
const AVClass *class;
|
|
int action;
|
|
int64_t max, min;
|
|
int64_t sum;
|
|
int n;
|
|
} 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"
|
|
#define T2F(v) ((v) / 1000000.)
|
|
|
|
static av_cold int init(AVFilterContext *ctx)
|
|
{
|
|
BenchContext *s = ctx->priv;
|
|
s->min = INT64_MAX;
|
|
s->max = INT64_MIN;
|
|
return 0;
|
|
}
|
|
|
|
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
|
|
{
|
|
AVFilterContext *ctx = inlink->dst;
|
|
BenchContext *s = ctx->priv;
|
|
AVFilterLink *outlink = ctx->outputs[0];
|
|
const int64_t t = av_gettime();
|
|
|
|
if (t < 0)
|
|
return ff_filter_frame(outlink, in);
|
|
|
|
if (s->action == ACTION_START) {
|
|
av_dict_set_int(&in->metadata, START_TIME_KEY, t, 0);
|
|
} else if (s->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);
|
|
const int64_t diff = t - start;
|
|
s->sum += diff;
|
|
s->n++;
|
|
s->min = FFMIN(s->min, diff);
|
|
s->max = FFMAX(s->max, diff);
|
|
av_log(s, AV_LOG_INFO, "t:%f avg:%f max:%f min:%f\n",
|
|
T2F(diff), T2F(s->sum / s->n), T2F(s->max), T2F(s->min));
|
|
}
|
|
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),
|
|
.init = init,
|
|
.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),
|
|
.init = init,
|
|
.inputs = abench_inputs,
|
|
.outputs = abench_outputs,
|
|
.priv_class = &abench_class,
|
|
};
|
|
#endif /* CONFIG_ABENCH_FILTER */
|