[FFmpeg-devel] [PATCH] avfilter: add (a)graphmonitor filter(s)
Paul B Mahol
onemda at gmail.com
Sat Oct 27 22:25:18 EEST 2018
Signed-off-by: Paul B Mahol <onemda at gmail.com>
---
libavfilter/Makefile | 2 +
libavfilter/allfilters.c | 2 +
libavfilter/f_graphmonitor.c | 272 +++++++++++++++++++++++++++++++++++
3 files changed, 276 insertions(+)
create mode 100644 libavfilter/f_graphmonitor.c
diff --git a/libavfilter/Makefile b/libavfilter/Makefile
index a98c64b7ce..c35cd8f422 100644
--- a/libavfilter/Makefile
+++ b/libavfilter/Makefile
@@ -240,6 +240,7 @@ OBJS-$(CONFIG_FSPP_FILTER) += vf_fspp.o
OBJS-$(CONFIG_GBLUR_FILTER) += vf_gblur.o
OBJS-$(CONFIG_GEQ_FILTER) += vf_geq.o
OBJS-$(CONFIG_GRADFUN_FILTER) += vf_gradfun.o
+OBJS-$(CONFIG_GRAPHMONITOR_FILTER) += f_graphmonitor.o
OBJS-$(CONFIG_GREYEDGE_FILTER) += vf_colorconstancy.o
OBJS-$(CONFIG_HALDCLUT_FILTER) += vf_lut3d.o framesync.o
OBJS-$(CONFIG_HFLIP_FILTER) += vf_hflip.o
@@ -437,6 +438,7 @@ OBJS-$(CONFIG_NULLSINK_FILTER) += vsink_nullsink.o
# multimedia filters
OBJS-$(CONFIG_ABITSCOPE_FILTER) += avf_abitscope.o
OBJS-$(CONFIG_ADRAWGRAPH_FILTER) += f_drawgraph.o
+OBJS-$(CONFIG_AGRAPHMONITOR_FILTER) += f_graphmonitor.o
OBJS-$(CONFIG_AHISTOGRAM_FILTER) += avf_ahistogram.o
OBJS-$(CONFIG_APHASEMETER_FILTER) += avf_aphasemeter.o
OBJS-$(CONFIG_AVECTORSCOPE_FILTER) += avf_avectorscope.o
diff --git a/libavfilter/allfilters.c b/libavfilter/allfilters.c
index b2cb58fc38..d5a211bda5 100644
--- a/libavfilter/allfilters.c
+++ b/libavfilter/allfilters.c
@@ -227,6 +227,7 @@ extern AVFilter ff_vf_fspp;
extern AVFilter ff_vf_gblur;
extern AVFilter ff_vf_geq;
extern AVFilter ff_vf_gradfun;
+extern AVFilter ff_vf_graphmonitor;
extern AVFilter ff_vf_greyedge;
extern AVFilter ff_vf_haldclut;
extern AVFilter ff_vf_hflip;
@@ -418,6 +419,7 @@ extern AVFilter ff_vsink_nullsink;
/* multimedia filters */
extern AVFilter ff_avf_abitscope;
extern AVFilter ff_avf_adrawgraph;
+extern AVFilter ff_avf_agraphmonitor;
extern AVFilter ff_avf_ahistogram;
extern AVFilter ff_avf_aphasemeter;
extern AVFilter ff_avf_avectorscope;
diff --git a/libavfilter/f_graphmonitor.c b/libavfilter/f_graphmonitor.c
new file mode 100644
index 0000000000..9d9d41fde7
--- /dev/null
+++ b/libavfilter/f_graphmonitor.c
@@ -0,0 +1,272 @@
+/*
+ * Copyright (c) 2018 Paul B Mahol
+ *
+ * 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 "float.h"
+
+#include "libavutil/pixdesc.h"
+#include "libavutil/eval.h"
+#include "libavutil/intreadwrite.h"
+#include "libavutil/opt.h"
+#include "libavutil/xga_font_data.h"
+#include "avfilter.h"
+#include "filters.h"
+#include "formats.h"
+#include "internal.h"
+#include "video.h"
+
+typedef struct GraphMonitorContext {
+ const AVClass *class;
+
+ int w, h;
+ float opacity;
+
+ AVFrame *out;
+ uint8_t white[4];
+ uint8_t yellow[4];
+ uint8_t red[4];
+ uint8_t bg[4];
+} GraphMonitorContext;
+
+#define OFFSET(x) offsetof(GraphMonitorContext, x)
+#define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
+
+static const AVOption graphmonitor_options[] = {
+ { "size", "set monitor size", OFFSET(w), AV_OPT_TYPE_IMAGE_SIZE, {.str="hd720"}, 0, 0, FLAGS },
+ { "s", "set monitor size", OFFSET(w), AV_OPT_TYPE_IMAGE_SIZE, {.str="hd720"}, 0, 0, FLAGS },
+ { "opacity", "set video opacity", OFFSET(opacity), AV_OPT_TYPE_FLOAT, {.dbl=.9}, 0, 1, FLAGS },
+ { "o", "set video opacity", OFFSET(opacity), AV_OPT_TYPE_FLOAT, {.dbl=.9}, 0, 1, FLAGS },
+ { NULL }
+};
+
+static int query_formats(AVFilterContext *ctx)
+{
+ AVFilterLink *outlink = ctx->outputs[0];
+ static const enum AVPixelFormat pix_fmts[] = {
+ AV_PIX_FMT_RGBA,
+ AV_PIX_FMT_NONE
+ };
+ int ret;
+
+ AVFilterFormats *fmts_list = ff_make_format_list(pix_fmts);
+ if ((ret = ff_formats_ref(fmts_list, &outlink->in_formats)) < 0)
+ return ret;
+
+ return 0;
+}
+
+static void clear_image(GraphMonitorContext *s, AVFrame *out, AVFilterLink *outlink)
+{
+ int bg = AV_RN32(s->bg);
+
+ for (int i = 0; i < out->height; i++)
+ for (int j = 0; j < out->width; j++)
+ AV_WN32(out->data[0] + i * out->linesize[0] + j * 4, bg);
+}
+
+static void drawtext(AVFrame *pic, int x, int y, const char *txt, uint8_t *color)
+{
+ const uint8_t *font;
+ int font_height;
+ int i;
+
+ font = avpriv_cga_font, font_height = 8;
+
+ if (y + 8 >= pic->height ||
+ x + strlen(txt) * 8 >= pic->width)
+ return;
+
+ for (i = 0; txt[i]; i++) {
+ int char_y, mask;
+
+ uint8_t *p = pic->data[0] + y*pic->linesize[0] + (x + i*8)*4;
+ for (char_y = 0; char_y < font_height; char_y++) {
+ for (mask = 0x80; mask; mask >>= 1) {
+ if (font[txt[i] * font_height + char_y] & mask) {
+ p[0] = color[0];
+ p[1] = color[1];
+ p[2] = color[2];
+ }
+ p += 4;
+ }
+ p += pic->linesize[0] - 8 * 4;
+ }
+ }
+}
+
+static int filter_frame(AVFilterLink *inlink, AVFrame *in)
+{
+ AVFilterContext *ctx = inlink->dst;
+ GraphMonitorContext *s = ctx->priv;
+ AVFilterLink *outlink = ctx->outputs[0];
+ AVFrame *out;
+ int xpos, ypos = 0;
+ int64_t pts = in->pts;
+
+ av_frame_free(&in);
+
+ out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
+ clear_image(s, out, outlink);
+
+ for (int i = 0; i < ctx->graph->nb_filters; i++) {
+ AVFilterContext *filter = ctx->graph->filters[i];
+ char buffer[1024] = { 0 };
+
+ xpos = 0;
+ drawtext(out, xpos, ypos, filter->name, s->white);
+ xpos += strlen(filter->name) * 8 + 10;
+ drawtext(out, xpos, ypos, filter->filter->name, s->white);
+ ypos += 10;
+ for (int j = 0; j < filter->nb_inputs; j++) {
+ AVFilterLink *l = filter->inputs[j];
+ size_t frames = ff_inlink_queued_frames(l);
+
+ xpos = 10;
+ snprintf(buffer, sizeof(buffer)-1, "in%d: ", j);
+ drawtext(out, xpos, ypos, buffer, s->white);
+ xpos += strlen(buffer) * 10;
+ drawtext(out, xpos, ypos, l->src->name, s->white);
+ xpos += strlen(l->src->name) * 8 + 10;
+ if (l->type == AVMEDIA_TYPE_VIDEO) {
+ snprintf(buffer, sizeof(buffer)-1, "size: %dx%d | format: %s | queue: ",
+ l->w, l->h, av_get_pix_fmt_name(l->format));
+ } else if (l->type == AVMEDIA_TYPE_AUDIO) {
+ snprintf(buffer, sizeof(buffer)-1, "channels: %d | format: %s | queue: ",
+ l->channels, av_get_sample_fmt_name(l->format));
+ }
+ drawtext(out, xpos, ypos, buffer, s->white);
+ xpos += strlen(buffer) * 8;
+ snprintf(buffer, sizeof(buffer)-1, "%"PRId64, frames);
+ drawtext(out, xpos, ypos, buffer, frames >= 10 ? frames >= 50 ? s->red : s->yellow : s->white);
+ ypos += 10;
+ }
+
+ ypos += 2;
+ for (int j = 0; j < filter->nb_outputs; j++) {
+ AVFilterLink *l = filter->outputs[j];
+ size_t frames = ff_inlink_queued_frames(l);
+
+ xpos = 10;
+ snprintf(buffer, sizeof(buffer)-1, "out%d: ", j);
+ drawtext(out, xpos, ypos, buffer, s->white);
+ xpos += strlen(buffer) * 10;
+ drawtext(out, xpos, ypos, l->dst->name, s->white);
+ xpos += strlen(l->dst->name) * 8 + 10;
+ if (l->type == AVMEDIA_TYPE_VIDEO) {
+ snprintf(buffer, sizeof(buffer)-1, "size: %dx%d | format: %s | queue: ",
+ l->w, l->h, av_get_pix_fmt_name(l->format));
+ } else if (l->type == AVMEDIA_TYPE_AUDIO) {
+ snprintf(buffer, sizeof(buffer)-1, "channels: %d | format: %s | queue: ",
+ l->channels, av_get_sample_fmt_name(l->format));
+ }
+ drawtext(out, xpos, ypos, buffer, s->white);
+ xpos += strlen(buffer) * 8;
+ snprintf(buffer, sizeof(buffer)-1, "%"PRId64, frames);
+ drawtext(out, xpos, ypos, buffer, frames >= 10 ? frames >= 50 ? s->red : s->yellow : s->white);
+ ypos += 10;
+ }
+ ypos += 5;
+ }
+
+ out->pts = pts;
+ return ff_filter_frame(outlink, out);
+}
+
+static int config_output(AVFilterLink *outlink)
+{
+ GraphMonitorContext *s = outlink->src->priv;
+
+ s->bg[3] = 255 * s->opacity;
+ s->white[0] = s->white[1] = s->white[2] = 255;
+ s->yellow[0] = s->yellow[1] = 255;
+ s->red[0] = 255;
+ outlink->w = s->w;
+ outlink->h = s->h;
+ outlink->sample_aspect_ratio = (AVRational){1,1};
+
+ return 0;
+}
+
+#if CONFIG_GRAPHMONITOR_FILTER
+
+AVFILTER_DEFINE_CLASS(graphmonitor);
+
+static const AVFilterPad graphmonitor_inputs[] = {
+ {
+ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .filter_frame = filter_frame,
+ },
+ { NULL }
+};
+
+static const AVFilterPad graphmonitor_outputs[] = {
+ {
+ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .config_props = config_output,
+ },
+ { NULL }
+};
+
+AVFilter ff_vf_graphmonitor = {
+ .name = "graphmonitor",
+ .description = NULL_IF_CONFIG_SMALL("Show various filtergraph stats."),
+ .priv_size = sizeof(GraphMonitorContext),
+ .priv_class = &graphmonitor_class,
+ .query_formats = query_formats,
+ .inputs = graphmonitor_inputs,
+ .outputs = graphmonitor_outputs,
+};
+
+#endif // CONFIG_GRAPHMONITOR_FILTER
+
+#if CONFIG_AGRAPHMONITOR_FILTER
+
+#define agraphmonitor_options graphmonitor_options
+AVFILTER_DEFINE_CLASS(agraphmonitor);
+
+static const AVFilterPad agraphmonitor_inputs[] = {
+ {
+ .name = "default",
+ .type = AVMEDIA_TYPE_AUDIO,
+ .filter_frame = filter_frame,
+ },
+ { NULL }
+};
+
+static const AVFilterPad agraphmonitor_outputs[] = {
+ {
+ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .config_props = config_output,
+ },
+ { NULL }
+};
+
+AVFilter ff_avf_agraphmonitor = {
+ .name = "agraphmonitor",
+ .description = NULL_IF_CONFIG_SMALL("Show various filtergraph stats."),
+ .priv_size = sizeof(GraphMonitorContext),
+ .priv_class = &agraphmonitor_class,
+ .query_formats = query_formats,
+ .inputs = agraphmonitor_inputs,
+ .outputs = agraphmonitor_outputs,
+};
+#endif // CONFIG_AGRAPHMONITOR_FILTER
--
2.17.1
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