| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * This file is part of FFmpeg. | ||
| 3 | * | ||
| 4 | * FFmpeg is free software; you can redistribute it and/or | ||
| 5 | * modify it under the terms of the GNU Lesser General Public | ||
| 6 | * License as published by the Free Software Foundation; either | ||
| 7 | * version 2.1 of the License, or (at your option) any later version. | ||
| 8 | * | ||
| 9 | * FFmpeg is distributed in the hope that it will be useful, | ||
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 12 | * Lesser General Public License for more details. | ||
| 13 | * | ||
| 14 | * You should have received a copy of the GNU Lesser General Public | ||
| 15 | * License along with FFmpeg; if not, write to the Free Software | ||
| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 17 | */ | ||
| 18 | |||
| 19 | #include "config_components.h" | ||
| 20 | |||
| 21 | #include "libavutil/opt.h" | ||
| 22 | #include "libavutil/time.h" | ||
| 23 | #include "audio.h" | ||
| 24 | #include "avfilter.h" | ||
| 25 | #include "filters.h" | ||
| 26 | #include "video.h" | ||
| 27 | |||
| 28 | enum BenchAction { | ||
| 29 | ACTION_START, | ||
| 30 | ACTION_STOP, | ||
| 31 | NB_ACTION | ||
| 32 | }; | ||
| 33 | |||
| 34 | typedef struct BenchContext { | ||
| 35 | const AVClass *class; | ||
| 36 | int action; | ||
| 37 | int64_t max, min; | ||
| 38 | int64_t sum; | ||
| 39 | int n; | ||
| 40 | } BenchContext; | ||
| 41 | |||
| 42 | #define OFFSET(x) offsetof(BenchContext, x) | ||
| 43 | #define DEFINE_OPTIONS(filt_name, FLAGS) \ | ||
| 44 | static const AVOption filt_name##_options[] = { \ | ||
| 45 | { "action", "set action", OFFSET(action), AV_OPT_TYPE_INT, {.i64=ACTION_START}, 0, NB_ACTION-1, FLAGS, .unit = "action" }, \ | ||
| 46 | { "start", "start timer", 0, AV_OPT_TYPE_CONST, {.i64=ACTION_START}, INT_MIN, INT_MAX, FLAGS, .unit = "action" }, \ | ||
| 47 | { "stop", "stop timer", 0, AV_OPT_TYPE_CONST, {.i64=ACTION_STOP}, INT_MIN, INT_MAX, FLAGS, .unit = "action" }, \ | ||
| 48 | { NULL } \ | ||
| 49 | } | ||
| 50 | |||
| 51 | #define START_TIME_KEY "lavfi.bench.start_time" | ||
| 52 | #define T2F(v) ((v) / 1000000.) | ||
| 53 | |||
| 54 | ✗ | static av_cold int init(AVFilterContext *ctx) | |
| 55 | { | ||
| 56 | ✗ | BenchContext *s = ctx->priv; | |
| 57 | ✗ | s->min = INT64_MAX; | |
| 58 | ✗ | s->max = INT64_MIN; | |
| 59 | ✗ | return 0; | |
| 60 | } | ||
| 61 | |||
| 62 | ✗ | static int filter_frame(AVFilterLink *inlink, AVFrame *in) | |
| 63 | { | ||
| 64 | ✗ | AVFilterContext *ctx = inlink->dst; | |
| 65 | ✗ | BenchContext *s = ctx->priv; | |
| 66 | ✗ | AVFilterLink *outlink = ctx->outputs[0]; | |
| 67 | ✗ | const int64_t t = av_gettime(); | |
| 68 | |||
| 69 | ✗ | if (t < 0) | |
| 70 | ✗ | return ff_filter_frame(outlink, in); | |
| 71 | |||
| 72 | ✗ | if (s->action == ACTION_START) { | |
| 73 | ✗ | av_dict_set_int(&in->metadata, START_TIME_KEY, t, 0); | |
| 74 | ✗ | } else if (s->action == ACTION_STOP) { | |
| 75 | ✗ | AVDictionaryEntry *e = av_dict_get(in->metadata, START_TIME_KEY, NULL, 0); | |
| 76 | ✗ | if (e) { | |
| 77 | ✗ | const int64_t start = strtoll(e->value, NULL, 0); | |
| 78 | ✗ | const int64_t diff = t - start; | |
| 79 | ✗ | s->sum += diff; | |
| 80 | ✗ | s->n++; | |
| 81 | ✗ | s->min = FFMIN(s->min, diff); | |
| 82 | ✗ | s->max = FFMAX(s->max, diff); | |
| 83 | ✗ | av_log(s, AV_LOG_INFO, "t:%f avg:%f max:%f min:%f\n", | |
| 84 | ✗ | T2F(diff), T2F(s->sum / s->n), T2F(s->max), T2F(s->min)); | |
| 85 | } | ||
| 86 | ✗ | av_dict_set(&in->metadata, START_TIME_KEY, NULL, 0); | |
| 87 | } | ||
| 88 | |||
| 89 | ✗ | return ff_filter_frame(outlink, in); | |
| 90 | } | ||
| 91 | |||
| 92 | #if CONFIG_BENCH_FILTER | ||
| 93 | DEFINE_OPTIONS(bench, AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM); | ||
| 94 | AVFILTER_DEFINE_CLASS(bench); | ||
| 95 | |||
| 96 | static const AVFilterPad bench_inputs[] = { | ||
| 97 | { | ||
| 98 | .name = "default", | ||
| 99 | .type = AVMEDIA_TYPE_VIDEO, | ||
| 100 | .filter_frame = filter_frame, | ||
| 101 | }, | ||
| 102 | }; | ||
| 103 | |||
| 104 | const AVFilter ff_vf_bench = { | ||
| 105 | .name = "bench", | ||
| 106 | .description = NULL_IF_CONFIG_SMALL("Benchmark part of a filtergraph."), | ||
| 107 | .priv_size = sizeof(BenchContext), | ||
| 108 | .init = init, | ||
| 109 | FILTER_INPUTS(bench_inputs), | ||
| 110 | FILTER_OUTPUTS(ff_video_default_filterpad), | ||
| 111 | .priv_class = &bench_class, | ||
| 112 | .flags = AVFILTER_FLAG_METADATA_ONLY, | ||
| 113 | }; | ||
| 114 | #endif /* CONFIG_BENCH_FILTER */ | ||
| 115 | |||
| 116 | #if CONFIG_ABENCH_FILTER | ||
| 117 | DEFINE_OPTIONS(abench, AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_AUDIO_PARAM); | ||
| 118 | AVFILTER_DEFINE_CLASS(abench); | ||
| 119 | |||
| 120 | static const AVFilterPad abench_inputs[] = { | ||
| 121 | { | ||
| 122 | .name = "default", | ||
| 123 | .type = AVMEDIA_TYPE_AUDIO, | ||
| 124 | .filter_frame = filter_frame, | ||
| 125 | }, | ||
| 126 | }; | ||
| 127 | |||
| 128 | const AVFilter ff_af_abench = { | ||
| 129 | .name = "abench", | ||
| 130 | .description = NULL_IF_CONFIG_SMALL("Benchmark part of a filtergraph."), | ||
| 131 | .priv_size = sizeof(BenchContext), | ||
| 132 | .init = init, | ||
| 133 | FILTER_INPUTS(abench_inputs), | ||
| 134 | FILTER_OUTPUTS(ff_audio_default_filterpad), | ||
| 135 | .priv_class = &abench_class, | ||
| 136 | .flags = AVFILTER_FLAG_METADATA_ONLY, | ||
| 137 | }; | ||
| 138 | #endif /* CONFIG_ABENCH_FILTER */ | ||
| 139 |