FFmpeg coverage

GCC Code Coverage Report

Directory:	../../../ffmpeg/		Exec	Total	Coverage
File:	src/libavfilter/f_graphmonitor.c	Lines:	0	184	0.0 %
Date:	2021-01-22 05:18:52	Branches:	0	106	0.0 %


/*
 * 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


Generated by: GCOVR (Version 4.2)

Line	Branch	Exec	Source
1			/*
2			* Copyright (c) 2018 Paul B Mahol
3			*
4			* This file is part of FFmpeg.
5			*
6			* FFmpeg is free software; you can redistribute it and/or
7			* modify it under the terms of the GNU Lesser General Public
8			* License as published by the Free Software Foundation; either
9			* version 2.1 of the License, or (at your option) any later version.
10			*
11			* FFmpeg is distributed in the hope that it will be useful,
12			* but WITHOUT ANY WARRANTY; without even the implied warranty of
13			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14			* Lesser General Public License for more details.
15			*
16			* You should have received a copy of the GNU Lesser General Public
17			* License along with FFmpeg; if not, write to the Free Software
18			* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19			*/
20
21			#include "float.h"
22
23			#include "libavutil/pixdesc.h"
24			#include "libavutil/eval.h"
25			#include "libavutil/intreadwrite.h"
26			#include "libavutil/opt.h"
27			#include "libavutil/timestamp.h"
28			#include "libavutil/xga_font_data.h"
29			#include "avfilter.h"
30			#include "filters.h"
31			#include "formats.h"
32			#include "internal.h"
33			#include "video.h"
34
35			typedef struct GraphMonitorContext {
36			const AVClass *class;
37
38			int w, h;
39			float opacity;
40			int mode;
41			int flags;
42			AVRational frame_rate;
43
44			int64_t pts;
45			int64_t next_pts;
46			uint8_t white[4];
47			uint8_t yellow[4];
48			uint8_t red[4];
49			uint8_t green[4];
50			uint8_t blue[4];
51			uint8_t bg[4];
52			} GraphMonitorContext;
53
54			enum {
55			MODE_QUEUE = 1 << 0,
56			MODE_FCIN = 1 << 1,
57			MODE_FCOUT = 1 << 2,
58			MODE_PTS = 1 << 3,
59			MODE_TIME = 1 << 4,
60			MODE_TB = 1 << 5,
61			MODE_FMT = 1 << 6,
62			MODE_SIZE = 1 << 7,
63			MODE_RATE = 1 << 8,
64			MODE_EOF = 1 << 9,
65			};
66
67			#define OFFSET(x) offsetof(GraphMonitorContext, x)
68			#define VF AV_OPT_FLAG_VIDEO_PARAM\|AV_OPT_FLAG_FILTERING_PARAM
69
70			static const AVOption graphmonitor_options[] = {
71			{ "size", "set monitor size", OFFSET(w), AV_OPT_TYPE_IMAGE_SIZE, {.str="hd720"}, 0, 0, VF },
72			{ "s", "set monitor size", OFFSET(w), AV_OPT_TYPE_IMAGE_SIZE, {.str="hd720"}, 0, 0, VF },
73			{ "opacity", "set video opacity", OFFSET(opacity), AV_OPT_TYPE_FLOAT, {.dbl=.9}, 0, 1, VF },
74			{ "o", "set video opacity", OFFSET(opacity), AV_OPT_TYPE_FLOAT, {.dbl=.9}, 0, 1, VF },
75			{ "mode", "set mode", OFFSET(mode), AV_OPT_TYPE_INT, {.i64=0}, 0, 1, VF, "mode" },
76			{ "m", "set mode", OFFSET(mode), AV_OPT_TYPE_INT, {.i64=0}, 0, 1, VF, "mode" },
77			{ "full", NULL, 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, VF, "mode" },
78			{ "compact", NULL, 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, VF, "mode" },
79			{ "flags", "set flags", OFFSET(flags), AV_OPT_TYPE_FLAGS, {.i64=MODE_QUEUE}, 0, INT_MAX, VF, "flags" },
80			{ "f", "set flags", OFFSET(flags), AV_OPT_TYPE_FLAGS, {.i64=MODE_QUEUE}, 0, INT_MAX, VF, "flags" },
81			{ "queue", NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_QUEUE}, 0, 0, VF, "flags" },
82			{ "frame_count_in", NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_FCOUT}, 0, 0, VF, "flags" },
83			{ "frame_count_out", NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_FCIN}, 0, 0, VF, "flags" },
84			{ "pts", NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_PTS}, 0, 0, VF, "flags" },
85			{ "time", NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_TIME}, 0, 0, VF, "flags" },
86			{ "timebase", NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_TB}, 0, 0, VF, "flags" },
87			{ "format", NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_FMT}, 0, 0, VF, "flags" },
88			{ "size", NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_SIZE}, 0, 0, VF, "flags" },
89			{ "rate", NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_RATE}, 0, 0, VF, "flags" },
90			{ "eof", NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_EOF}, 0, 0, VF, "flags" },
91			{ "rate", "set video rate", OFFSET(frame_rate), AV_OPT_TYPE_VIDEO_RATE, {.str = "25"}, 0, INT_MAX, VF },
92			{ "r", "set video rate", OFFSET(frame_rate), AV_OPT_TYPE_VIDEO_RATE, {.str = "25"}, 0, INT_MAX, VF },
93			{ NULL }
94			};
95
96			static int query_formats(AVFilterContext *ctx)
97			{
98			AVFilterLink *outlink = ctx->outputs[0];
99			static const enum AVPixelFormat pix_fmts[] = {
100			AV_PIX_FMT_RGBA,
101			AV_PIX_FMT_NONE
102			};
103			int ret;
104
105			AVFilterFormats *fmts_list = ff_make_format_list(pix_fmts);
106			if ((ret = ff_formats_ref(fmts_list, &outlink->incfg.formats)) < 0)
107			return ret;
108
109			return 0;
110			}
111
112			static void clear_image(GraphMonitorContext s, AVFrame out, AVFilterLink *outlink)
113			{
114			int bg = AV_RN32(s->bg);
115
116			for (int i = 0; i < out->height; i++)
117			for (int j = 0; j < out->width; j++)
118			AV_WN32(out->data[0] + i * out->linesize[0] + j * 4, bg);
119			}
120
121			static void drawtext(AVFrame pic, int x, int y, const char txt, uint8_t *color)
122			{
123			const uint8_t *font;
124			int font_height;
125			int i;
126
127			font = avpriv_cga_font, font_height = 8;
128
129			if (y + 8 >= pic->height \|\|
130			x + strlen(txt) * 8 >= pic->width)
131			return;
132
133			for (i = 0; txt[i]; i++) {
134			int char_y, mask;
135
136			uint8_t p = pic->data[0] + ypic->linesize[0] + (x + i8)4;
137			for (char_y = 0; char_y < font_height; char_y++) {
138			for (mask = 0x80; mask; mask >>= 1) {
139			if (font[txt[i] * font_height + char_y] & mask) {
140			p[0] = color[0];
141			p[1] = color[1];
142			p[2] = color[2];
143			}
144			p += 4;
145			}
146			p += pic->linesize[0] - 8 * 4;
147			}
148			}
149			}
150
151			static int filter_have_queued(AVFilterContext *filter)
152			{
153			for (int j = 0; j < filter->nb_inputs; j++) {
154			AVFilterLink *l = filter->inputs[j];
155			size_t frames = ff_inlink_queued_frames(l);
156
157			if (frames)
158			return 1;
159			}
160
161			for (int j = 0; j < filter->nb_outputs; j++) {
162			AVFilterLink *l = filter->outputs[j];
163			size_t frames = ff_inlink_queued_frames(l);
164
165			if (frames)
166			return 1;
167			}
168
169			return 0;
170			}
171
172			static void draw_items(AVFilterContext ctx, AVFrame out,
173			int xpos, int ypos,
174			AVFilterLink *l,
175			size_t frames)
176			{
177			GraphMonitorContext *s = ctx->priv;
178			char buffer[1024] = { 0 };
179
180			if (s->flags & MODE_FMT) {
181			if (l->type == AVMEDIA_TYPE_VIDEO) {
182			snprintf(buffer, sizeof(buffer)-1, " \| format: %s",
183			av_get_pix_fmt_name(l->format));
184			} else if (l->type == AVMEDIA_TYPE_AUDIO) {
185			snprintf(buffer, sizeof(buffer)-1, " \| format: %s",
186			av_get_sample_fmt_name(l->format));
187			}
188			drawtext(out, xpos, ypos, buffer, s->white);
189			xpos += strlen(buffer) * 8;
190			}
191			if (s->flags & MODE_SIZE) {
192			if (l->type == AVMEDIA_TYPE_VIDEO) {
193			snprintf(buffer, sizeof(buffer)-1, " \| size: %dx%d", l->w, l->h);
194			} else if (l->type == AVMEDIA_TYPE_AUDIO) {
195			snprintf(buffer, sizeof(buffer)-1, " \| channels: %d", l->channels);
196			}
197			drawtext(out, xpos, ypos, buffer, s->white);
198			xpos += strlen(buffer) * 8;
199			}
200			if (s->flags & MODE_RATE) {
201			if (l->type == AVMEDIA_TYPE_VIDEO) {
202			snprintf(buffer, sizeof(buffer)-1, " \| fps: %d/%d", l->frame_rate.num, l->frame_rate.den);
203			} else if (l->type == AVMEDIA_TYPE_AUDIO) {
204			snprintf(buffer, sizeof(buffer)-1, " \| samplerate: %d", l->sample_rate);
205			}
206			drawtext(out, xpos, ypos, buffer, s->white);
207			xpos += strlen(buffer) * 8;
208			}
209			if (s->flags & MODE_TB) {
210			snprintf(buffer, sizeof(buffer)-1, " \| tb: %d/%d", l->time_base.num, l->time_base.den);
211			drawtext(out, xpos, ypos, buffer, s->white);
212			xpos += strlen(buffer) * 8;
213			}
214			if (s->flags & MODE_QUEUE) {
215			snprintf(buffer, sizeof(buffer)-1, " \| queue: ");
216			drawtext(out, xpos, ypos, buffer, s->white);
217			xpos += strlen(buffer) * 8;
218			snprintf(buffer, sizeof(buffer)-1, "%"SIZE_SPECIFIER, frames);
219			drawtext(out, xpos, ypos, buffer, frames > 0 ? frames >= 10 ? frames >= 50 ? s->red : s->yellow : s->green : s->white);
220			xpos += strlen(buffer) * 8;
221			}
222			if (s->flags & MODE_FCIN) {
223			snprintf(buffer, sizeof(buffer)-1, " \| in: %"PRId64, l->frame_count_in);
224			drawtext(out, xpos, ypos, buffer, s->white);
225			xpos += strlen(buffer) * 8;
226			}
227			if (s->flags & MODE_FCOUT) {
228			snprintf(buffer, sizeof(buffer)-1, " \| out: %"PRId64, l->frame_count_out);
229			drawtext(out, xpos, ypos, buffer, s->white);
230			xpos += strlen(buffer) * 8;
231			}
232			if (s->flags & MODE_PTS) {
233			snprintf(buffer, sizeof(buffer)-1, " \| pts: %s", av_ts2str(l->current_pts_us));
234			drawtext(out, xpos, ypos, buffer, s->white);
235			xpos += strlen(buffer) * 8;
236			}
237			if (s->flags & MODE_TIME) {
238			snprintf(buffer, sizeof(buffer)-1, " \| time: %s", av_ts2timestr(l->current_pts_us, &AV_TIME_BASE_Q));
239			drawtext(out, xpos, ypos, buffer, s->white);
240			xpos += strlen(buffer) * 8;
241			}
242			if (s->flags & MODE_EOF && ff_outlink_get_status(l)) {
243			snprintf(buffer, sizeof(buffer)-1, " \| eof");
244			drawtext(out, xpos, ypos, buffer, s->blue);
245			xpos += strlen(buffer) * 8;
246			}
247			}
248
249			static int create_frame(AVFilterContext *ctx, int64_t pts)
250			{
251			GraphMonitorContext *s = ctx->priv;
252			AVFilterLink *outlink = ctx->outputs[0];
253			AVFrame *out;
254			int xpos, ypos = 0;
255
256			out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
257			if (!out)
258			return AVERROR(ENOMEM);
259
260			clear_image(s, out, outlink);
261
262			for (int i = 0; i < ctx->graph->nb_filters; i++) {
263			AVFilterContext *filter = ctx->graph->filters[i];
264			char buffer[1024] = { 0 };
265
266			if (s->mode && !filter_have_queued(filter))
267			continue;
268
269			xpos = 0;
270			drawtext(out, xpos, ypos, filter->name, s->white);
271			xpos += strlen(filter->name) * 8 + 10;
272			drawtext(out, xpos, ypos, filter->filter->name, s->white);
273			ypos += 10;
274			for (int j = 0; j < filter->nb_inputs; j++) {
275			AVFilterLink *l = filter->inputs[j];
276			size_t frames = ff_inlink_queued_frames(l);
277
278			if (s->mode && !frames)
279			continue;
280
281			xpos = 10;
282			snprintf(buffer, sizeof(buffer)-1, "in%d: ", j);
283			drawtext(out, xpos, ypos, buffer, s->white);
284			xpos += strlen(buffer) * 8;
285			drawtext(out, xpos, ypos, l->src->name, s->white);
286			xpos += strlen(l->src->name) * 8 + 10;
287			draw_items(ctx, out, xpos, ypos, l, frames);
288			ypos += 10;
289			}
290
291			ypos += 2;
292			for (int j = 0; j < filter->nb_outputs; j++) {
293			AVFilterLink *l = filter->outputs[j];
294			size_t frames = ff_inlink_queued_frames(l);
295
296			if (s->mode && !frames)
297			continue;
298
299			xpos = 10;
300			snprintf(buffer, sizeof(buffer)-1, "out%d: ", j);
301			drawtext(out, xpos, ypos, buffer, s->white);
302			xpos += strlen(buffer) * 8;
303			drawtext(out, xpos, ypos, l->dst->name, s->white);
304			xpos += strlen(l->dst->name) * 8 + 10;
305			draw_items(ctx, out, xpos, ypos, l, frames);
306			ypos += 10;
307			}
308			ypos += 5;
309			}
310
311			out->pts = pts;
312			s->pts = pts + 1;
313			return ff_filter_frame(outlink, out);
314			}
315
316			static int activate(AVFilterContext *ctx)
317			{
318			GraphMonitorContext *s = ctx->priv;
319			AVFilterLink *inlink = ctx->inputs[0];
320			AVFilterLink *outlink = ctx->outputs[0];
321			int64_t pts = AV_NOPTS_VALUE;
322
323			FF_FILTER_FORWARD_STATUS_BACK(outlink, inlink);
324
325			if (ff_inlink_queued_frames(inlink)) {
326			AVFrame *frame = NULL;
327			int ret;
328
329			ret = ff_inlink_consume_frame(inlink, &frame);
330			if (ret < 0)
331			return ret;
332			if (ret > 0) {
333			pts = frame->pts;
334			av_frame_free(&frame);
335			}
336			}
337
338			if (pts != AV_NOPTS_VALUE) {
339			pts = av_rescale_q(pts, inlink->time_base, outlink->time_base);
340			if (s->pts == AV_NOPTS_VALUE)
341			s->pts = pts;
342			s->next_pts = pts;
343			}
344
345			if (s->pts < s->next_pts && ff_outlink_frame_wanted(outlink))
346			return create_frame(ctx, s->pts);
347
348			FF_FILTER_FORWARD_STATUS(inlink, outlink);
349			FF_FILTER_FORWARD_WANTED(outlink, inlink);
350
351			return FFERROR_NOT_READY;
352			}
353
354			static int config_output(AVFilterLink *outlink)
355			{
356			GraphMonitorContext *s = outlink->src->priv;
357
358			s->bg[3] = 255 * s->opacity;
359			s->white[0] = s->white[1] = s->white[2] = 255;
360			s->yellow[0] = s->yellow[1] = 255;
361			s->red[0] = 255;
362			s->green[1] = 255;
363			s->blue[2] = 255;
364			s->pts = AV_NOPTS_VALUE;
365			s->next_pts = AV_NOPTS_VALUE;
366			outlink->w = s->w;
367			outlink->h = s->h;
368			outlink->sample_aspect_ratio = (AVRational){1,1};
369			outlink->frame_rate = s->frame_rate;
370			outlink->time_base = av_inv_q(s->frame_rate);
371
372			return 0;
373			}
374
375			#if CONFIG_GRAPHMONITOR_FILTER
376
377			AVFILTER_DEFINE_CLASS(graphmonitor);
378
379			static const AVFilterPad graphmonitor_inputs[] = {
380			{
381			.name = "default",
382			.type = AVMEDIA_TYPE_VIDEO,
383			},
384			{ NULL }
385			};
386
387			static const AVFilterPad graphmonitor_outputs[] = {
388			{
389			.name = "default",
390			.type = AVMEDIA_TYPE_VIDEO,
391			.config_props = config_output,
392			},
393			{ NULL }
394			};
395
396			AVFilter ff_vf_graphmonitor = {
397			.name = "graphmonitor",
398			.description = NULL_IF_CONFIG_SMALL("Show various filtergraph stats."),
399			.priv_size = sizeof(GraphMonitorContext),
400			.priv_class = &graphmonitor_class,
401			.query_formats = query_formats,
402			.activate = activate,
403			.inputs = graphmonitor_inputs,
404			.outputs = graphmonitor_outputs,
405			};
406
407			#endif // CONFIG_GRAPHMONITOR_FILTER
408
409			#if CONFIG_AGRAPHMONITOR_FILTER
410
411			#define agraphmonitor_options graphmonitor_options
412			AVFILTER_DEFINE_CLASS(agraphmonitor);
413
414			static const AVFilterPad agraphmonitor_inputs[] = {
415			{
416			.name = "default",
417			.type = AVMEDIA_TYPE_AUDIO,
418			},
419			{ NULL }
420			};
421
422			static const AVFilterPad agraphmonitor_outputs[] = {
423			{
424			.name = "default",
425			.type = AVMEDIA_TYPE_VIDEO,
426			.config_props = config_output,
427			},
428			{ NULL }
429			};
430
431			AVFilter ff_avf_agraphmonitor = {
432			.name = "agraphmonitor",
433			.description = NULL_IF_CONFIG_SMALL("Show various filtergraph stats."),
434			.priv_size = sizeof(GraphMonitorContext),
435			.priv_class = &agraphmonitor_class,
436			.query_formats = query_formats,
437			.activate = activate,
438			.inputs = agraphmonitor_inputs,
439			.outputs = agraphmonitor_outputs,
440			};
441			#endif // CONFIG_AGRAPHMONITOR_FILTER