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/*
* 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/timestamp.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;
int mode;
int flags;
AVRational frame_rate;
int64_t pts;
int64_t next_pts;
uint8_t white[4];
uint8_t yellow[4];
uint8_t red[4];
uint8_t green[4];
uint8_t blue[4];
uint8_t bg[4];
} GraphMonitorContext;
enum {
MODE_QUEUE = 1 << 0,
MODE_FCIN = 1 << 1,
MODE_FCOUT = 1 << 2,
MODE_PTS = 1 << 3,
MODE_TIME = 1 << 4,
MODE_TB = 1 << 5,
MODE_FMT = 1 << 6,
MODE_SIZE = 1 << 7,
MODE_RATE = 1 << 8,
MODE_EOF = 1 << 9,
};
#define OFFSET(x) offsetof(GraphMonitorContext, x)
#define VF 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, VF },
{ "s", "set monitor size", OFFSET(w), AV_OPT_TYPE_IMAGE_SIZE, {.str="hd720"}, 0, 0, VF },
{ "opacity", "set video opacity", OFFSET(opacity), AV_OPT_TYPE_FLOAT, {.dbl=.9}, 0, 1, VF },
{ "o", "set video opacity", OFFSET(opacity), AV_OPT_TYPE_FLOAT, {.dbl=.9}, 0, 1, VF },
{ "mode", "set mode", OFFSET(mode), AV_OPT_TYPE_INT, {.i64=0}, 0, 1, VF, "mode" },
{ "m", "set mode", OFFSET(mode), AV_OPT_TYPE_INT, {.i64=0}, 0, 1, VF, "mode" },
{ "full", NULL, 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, VF, "mode" },
{ "compact", NULL, 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, VF, "mode" },
{ "flags", "set flags", OFFSET(flags), AV_OPT_TYPE_FLAGS, {.i64=MODE_QUEUE}, 0, INT_MAX, VF, "flags" },
{ "f", "set flags", OFFSET(flags), AV_OPT_TYPE_FLAGS, {.i64=MODE_QUEUE}, 0, INT_MAX, VF, "flags" },
{ "queue", NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_QUEUE}, 0, 0, VF, "flags" },
{ "frame_count_in", NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_FCOUT}, 0, 0, VF, "flags" },
{ "frame_count_out", NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_FCIN}, 0, 0, VF, "flags" },
{ "pts", NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_PTS}, 0, 0, VF, "flags" },
{ "time", NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_TIME}, 0, 0, VF, "flags" },
{ "timebase", NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_TB}, 0, 0, VF, "flags" },
{ "format", NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_FMT}, 0, 0, VF, "flags" },
{ "size", NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_SIZE}, 0, 0, VF, "flags" },
{ "rate", NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_RATE}, 0, 0, VF, "flags" },
{ "eof", NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_EOF}, 0, 0, VF, "flags" },
{ "rate", "set video rate", OFFSET(frame_rate), AV_OPT_TYPE_VIDEO_RATE, {.str = "25"}, 0, INT_MAX, VF },
{ "r", "set video rate", OFFSET(frame_rate), AV_OPT_TYPE_VIDEO_RATE, {.str = "25"}, 0, INT_MAX, VF },
{ 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->incfg.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_have_queued(AVFilterContext *filter)
{
for (int j = 0; j < filter->nb_inputs; j++) {
AVFilterLink *l = filter->inputs[j];
size_t frames = ff_inlink_queued_frames(l);
if (frames)
return 1;
}
for (int j = 0; j < filter->nb_outputs; j++) {
AVFilterLink *l = filter->outputs[j];
size_t frames = ff_inlink_queued_frames(l);
if (frames)
return 1;
}
return 0;
}
static void draw_items(AVFilterContext *ctx, AVFrame *out,
int xpos, int ypos,
AVFilterLink *l,
size_t frames)
{
GraphMonitorContext *s = ctx->priv;
char buffer[1024] = { 0 };
if (s->flags & MODE_FMT) {
if (l->type == AVMEDIA_TYPE_VIDEO) {
snprintf(buffer, sizeof(buffer)-1, " | format: %s",
av_get_pix_fmt_name(l->format));
} else if (l->type == AVMEDIA_TYPE_AUDIO) {
snprintf(buffer, sizeof(buffer)-1, " | format: %s",
av_get_sample_fmt_name(l->format));
}
drawtext(out, xpos, ypos, buffer, s->white);
xpos += strlen(buffer) * 8;
}
if (s->flags & MODE_SIZE) {
if (l->type == AVMEDIA_TYPE_VIDEO) {
snprintf(buffer, sizeof(buffer)-1, " | size: %dx%d", l->w, l->h);
} else if (l->type == AVMEDIA_TYPE_AUDIO) {
snprintf(buffer, sizeof(buffer)-1, " | channels: %d", l->channels);
}
drawtext(out, xpos, ypos, buffer, s->white);
xpos += strlen(buffer) * 8;
}
if (s->flags & MODE_RATE) {
if (l->type == AVMEDIA_TYPE_VIDEO) {
snprintf(buffer, sizeof(buffer)-1, " | fps: %d/%d", l->frame_rate.num, l->frame_rate.den);
} else if (l->type == AVMEDIA_TYPE_AUDIO) {
snprintf(buffer, sizeof(buffer)-1, " | samplerate: %d", l->sample_rate);
}
drawtext(out, xpos, ypos, buffer, s->white);
xpos += strlen(buffer) * 8;
}
if (s->flags & MODE_TB) {
snprintf(buffer, sizeof(buffer)-1, " | tb: %d/%d", l->time_base.num, l->time_base.den);
drawtext(out, xpos, ypos, buffer, s->white);
xpos += strlen(buffer) * 8;
}
if (s->flags & MODE_QUEUE) {
snprintf(buffer, sizeof(buffer)-1, " | queue: ");
drawtext(out, xpos, ypos, buffer, s->white);
xpos += strlen(buffer) * 8;
snprintf(buffer, sizeof(buffer)-1, "%"SIZE_SPECIFIER, frames);
drawtext(out, xpos, ypos, buffer, frames > 0 ? frames >= 10 ? frames >= 50 ? s->red : s->yellow : s->green : s->white);
xpos += strlen(buffer) * 8;
}
if (s->flags & MODE_FCIN) {
snprintf(buffer, sizeof(buffer)-1, " | in: %"PRId64, l->frame_count_in);
drawtext(out, xpos, ypos, buffer, s->white);
xpos += strlen(buffer) * 8;
}
if (s->flags & MODE_FCOUT) {
snprintf(buffer, sizeof(buffer)-1, " | out: %"PRId64, l->frame_count_out);
drawtext(out, xpos, ypos, buffer, s->white);
xpos += strlen(buffer) * 8;
}
if (s->flags & MODE_PTS) {
snprintf(buffer, sizeof(buffer)-1, " | pts: %s", av_ts2str(l->current_pts_us));
drawtext(out, xpos, ypos, buffer, s->white);
xpos += strlen(buffer) * 8;
}
if (s->flags & MODE_TIME) {
snprintf(buffer, sizeof(buffer)-1, " | time: %s", av_ts2timestr(l->current_pts_us, &AV_TIME_BASE_Q));
drawtext(out, xpos, ypos, buffer, s->white);
xpos += strlen(buffer) * 8;
}
if (s->flags & MODE_EOF && ff_outlink_get_status(l)) {
snprintf(buffer, sizeof(buffer)-1, " | eof");
drawtext(out, xpos, ypos, buffer, s->blue);
xpos += strlen(buffer) * 8;
}
}
static int create_frame(AVFilterContext *ctx, int64_t pts)
{
GraphMonitorContext *s = ctx->priv;
AVFilterLink *outlink = ctx->outputs[0];
AVFrame *out;
int xpos, ypos = 0;
out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
if (!out)
return AVERROR(ENOMEM);
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 };
if (s->mode && !filter_have_queued(filter))
continue;
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);
if (s->mode && !frames)
continue;
xpos = 10;
snprintf(buffer, sizeof(buffer)-1, "in%d: ", j);
drawtext(out, xpos, ypos, buffer, s->white);
xpos += strlen(buffer) * 8;
drawtext(out, xpos, ypos, l->src->name, s->white);
xpos += strlen(l->src->name) * 8 + 10;
draw_items(ctx, out, xpos, ypos, l, frames);
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);
if (s->mode && !frames)
continue;
xpos = 10;
snprintf(buffer, sizeof(buffer)-1, "out%d: ", j);
drawtext(out, xpos, ypos, buffer, s->white);
xpos += strlen(buffer) * 8;
drawtext(out, xpos, ypos, l->dst->name, s->white);
xpos += strlen(l->dst->name) * 8 + 10;
draw_items(ctx, out, xpos, ypos, l, frames);
ypos += 10;
}
ypos += 5;
}
out->pts = pts;
s->pts = pts + 1;
return ff_filter_frame(outlink, out);
}
static int activate(AVFilterContext *ctx)
{
GraphMonitorContext *s = ctx->priv;
AVFilterLink *inlink = ctx->inputs[0];
AVFilterLink *outlink = ctx->outputs[0];
int64_t pts = AV_NOPTS_VALUE;
FF_FILTER_FORWARD_STATUS_BACK(outlink, inlink);
if (ff_inlink_queued_frames(inlink)) {
AVFrame *frame = NULL;
int ret;
ret = ff_inlink_consume_frame(inlink, &frame);
if (ret < 0)
return ret;
if (ret > 0) {
pts = frame->pts;
av_frame_free(&frame);
}
}
if (pts != AV_NOPTS_VALUE) {
pts = av_rescale_q(pts, inlink->time_base, outlink->time_base);
if (s->pts == AV_NOPTS_VALUE)
s->pts = pts;
s->next_pts = pts;
}
if (s->pts < s->next_pts && ff_outlink_frame_wanted(outlink))
return create_frame(ctx, s->pts);
FF_FILTER_FORWARD_STATUS(inlink, outlink);
FF_FILTER_FORWARD_WANTED(outlink, inlink);
return FFERROR_NOT_READY;
}
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;
s->green[1] = 255;
s->blue[2] = 255;
s->pts = AV_NOPTS_VALUE;
s->next_pts = AV_NOPTS_VALUE;
outlink->w = s->w;
outlink->h = s->h;
outlink->sample_aspect_ratio = (AVRational){1,1};
outlink->frame_rate = s->frame_rate;
outlink->time_base = av_inv_q(s->frame_rate);
return 0;
}
#if CONFIG_GRAPHMONITOR_FILTER
AVFILTER_DEFINE_CLASS(graphmonitor);
static const AVFilterPad graphmonitor_inputs[] = {
{
.name = "default",
.type = AVMEDIA_TYPE_VIDEO,
},
{ 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,
.activate = activate,
.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,
},
{ 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,
.activate = activate,
.inputs = agraphmonitor_inputs,
.outputs = agraphmonitor_outputs,
};
#endif // CONFIG_AGRAPHMONITOR_FILTER