FFmpeg
f_graphmonitor.c
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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"
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;
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];
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  MODE_SCIN = 1 << 10,
66  MODE_SCOUT = 1 << 11,
67 };
68 
69 #define OFFSET(x) offsetof(GraphMonitorContext, x)
70 #define VF AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
71 
72 static const AVOption graphmonitor_options[] = {
73  { "size", "set monitor size", OFFSET(w), AV_OPT_TYPE_IMAGE_SIZE, {.str="hd720"}, 0, 0, VF },
74  { "s", "set monitor size", OFFSET(w), AV_OPT_TYPE_IMAGE_SIZE, {.str="hd720"}, 0, 0, VF },
75  { "opacity", "set video opacity", OFFSET(opacity), AV_OPT_TYPE_FLOAT, {.dbl=.9}, 0, 1, VF },
76  { "o", "set video opacity", OFFSET(opacity), AV_OPT_TYPE_FLOAT, {.dbl=.9}, 0, 1, VF },
77  { "mode", "set mode", OFFSET(mode), AV_OPT_TYPE_INT, {.i64=0}, 0, 1, VF, "mode" },
78  { "m", "set mode", OFFSET(mode), AV_OPT_TYPE_INT, {.i64=0}, 0, 1, VF, "mode" },
79  { "full", NULL, 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, VF, "mode" },
80  { "compact", NULL, 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, VF, "mode" },
81  { "flags", "set flags", OFFSET(flags), AV_OPT_TYPE_FLAGS, {.i64=MODE_QUEUE}, 0, INT_MAX, VF, "flags" },
82  { "f", "set flags", OFFSET(flags), AV_OPT_TYPE_FLAGS, {.i64=MODE_QUEUE}, 0, INT_MAX, VF, "flags" },
83  { "queue", NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_QUEUE}, 0, 0, VF, "flags" },
84  { "frame_count_in", NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_FCOUT}, 0, 0, VF, "flags" },
85  { "frame_count_out", NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_FCIN}, 0, 0, VF, "flags" },
86  { "pts", NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_PTS}, 0, 0, VF, "flags" },
87  { "time", NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_TIME}, 0, 0, VF, "flags" },
88  { "timebase", NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_TB}, 0, 0, VF, "flags" },
89  { "format", NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_FMT}, 0, 0, VF, "flags" },
90  { "size", NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_SIZE}, 0, 0, VF, "flags" },
91  { "rate", NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_RATE}, 0, 0, VF, "flags" },
92  { "eof", NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_EOF}, 0, 0, VF, "flags" },
93  { "sample_count_in", NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_SCOUT}, 0, 0, VF, "flags" },
94  { "sample_count_out", NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_SCIN}, 0, 0, VF, "flags" },
95  { "rate", "set video rate", OFFSET(frame_rate), AV_OPT_TYPE_VIDEO_RATE, {.str = "25"}, 0, INT_MAX, VF },
96  { "r", "set video rate", OFFSET(frame_rate), AV_OPT_TYPE_VIDEO_RATE, {.str = "25"}, 0, INT_MAX, VF },
97  { NULL }
98 };
99 
101 {
102  AVFilterLink *outlink = ctx->outputs[0];
103  static const enum AVPixelFormat pix_fmts[] = {
106  };
107  int ret;
108 
110  if ((ret = ff_formats_ref(fmts_list, &outlink->incfg.formats)) < 0)
111  return ret;
112 
113  return 0;
114 }
115 
117 {
118  int bg = AV_RN32(s->bg);
119 
120  for (int i = 0; i < out->height; i++)
121  for (int j = 0; j < out->width; j++)
122  AV_WN32(out->data[0] + i * out->linesize[0] + j * 4, bg);
123 }
124 
125 static void drawtext(AVFrame *pic, int x, int y, const char *txt, uint8_t *color)
126 {
127  const uint8_t *font;
128  int font_height;
129  int i;
130 
131  font = avpriv_cga_font, font_height = 8;
132 
133  if (y + 8 >= pic->height ||
134  x + strlen(txt) * 8 >= pic->width)
135  return;
136 
137  for (i = 0; txt[i]; i++) {
138  int char_y, mask;
139 
140  uint8_t *p = pic->data[0] + y*pic->linesize[0] + (x + i*8)*4;
141  for (char_y = 0; char_y < font_height; char_y++) {
142  for (mask = 0x80; mask; mask >>= 1) {
143  if (font[txt[i] * font_height + char_y] & mask) {
144  p[0] = color[0];
145  p[1] = color[1];
146  p[2] = color[2];
147  }
148  p += 4;
149  }
150  p += pic->linesize[0] - 8 * 4;
151  }
152  }
153 }
154 
156 {
157  for (int j = 0; j < filter->nb_inputs; j++) {
158  AVFilterLink *l = filter->inputs[j];
159  size_t frames = ff_inlink_queued_frames(l);
160 
161  if (frames)
162  return 1;
163  }
164 
165  for (int j = 0; j < filter->nb_outputs; j++) {
166  AVFilterLink *l = filter->outputs[j];
167  size_t frames = ff_inlink_queued_frames(l);
168 
169  if (frames)
170  return 1;
171  }
172 
173  return 0;
174 }
175 
177  int xpos, int ypos,
178  AVFilterLink *l,
179  size_t frames)
180 {
181  GraphMonitorContext *s = ctx->priv;
182  char buffer[1024] = { 0 };
183 
184  if (s->flags & MODE_FMT) {
185  if (l->type == AVMEDIA_TYPE_VIDEO) {
186  snprintf(buffer, sizeof(buffer)-1, " | format: %s",
188  } else if (l->type == AVMEDIA_TYPE_AUDIO) {
189  snprintf(buffer, sizeof(buffer)-1, " | format: %s",
191  }
192  drawtext(out, xpos, ypos, buffer, s->white);
193  xpos += strlen(buffer) * 8;
194  }
195  if (s->flags & MODE_SIZE) {
196  if (l->type == AVMEDIA_TYPE_VIDEO) {
197  snprintf(buffer, sizeof(buffer)-1, " | size: %dx%d", l->w, l->h);
198  } else if (l->type == AVMEDIA_TYPE_AUDIO) {
199  snprintf(buffer, sizeof(buffer)-1, " | channels: %d", l->channels);
200  }
201  drawtext(out, xpos, ypos, buffer, s->white);
202  xpos += strlen(buffer) * 8;
203  }
204  if (s->flags & MODE_RATE) {
205  if (l->type == AVMEDIA_TYPE_VIDEO) {
206  snprintf(buffer, sizeof(buffer)-1, " | fps: %d/%d", l->frame_rate.num, l->frame_rate.den);
207  } else if (l->type == AVMEDIA_TYPE_AUDIO) {
208  snprintf(buffer, sizeof(buffer)-1, " | samplerate: %d", l->sample_rate);
209  }
210  drawtext(out, xpos, ypos, buffer, s->white);
211  xpos += strlen(buffer) * 8;
212  }
213  if (s->flags & MODE_TB) {
214  snprintf(buffer, sizeof(buffer)-1, " | tb: %d/%d", l->time_base.num, l->time_base.den);
215  drawtext(out, xpos, ypos, buffer, s->white);
216  xpos += strlen(buffer) * 8;
217  }
218  if (s->flags & MODE_QUEUE) {
219  snprintf(buffer, sizeof(buffer)-1, " | queue: ");
220  drawtext(out, xpos, ypos, buffer, s->white);
221  xpos += strlen(buffer) * 8;
222  snprintf(buffer, sizeof(buffer)-1, "%"SIZE_SPECIFIER, frames);
223  drawtext(out, xpos, ypos, buffer, frames > 0 ? frames >= 10 ? frames >= 50 ? s->red : s->yellow : s->green : s->white);
224  xpos += strlen(buffer) * 8;
225  }
226  if (s->flags & MODE_FCIN) {
227  snprintf(buffer, sizeof(buffer)-1, " | in: %"PRId64, l->frame_count_in);
228  drawtext(out, xpos, ypos, buffer, s->white);
229  xpos += strlen(buffer) * 8;
230  }
231  if (s->flags & MODE_FCOUT) {
232  snprintf(buffer, sizeof(buffer)-1, " | out: %"PRId64, l->frame_count_out);
233  drawtext(out, xpos, ypos, buffer, s->white);
234  xpos += strlen(buffer) * 8;
235  }
236  if (s->flags & MODE_SCIN) {
237  snprintf(buffer, sizeof(buffer)-1, " | sin: %"PRId64, l->sample_count_in);
238  drawtext(out, xpos, ypos, buffer, s->white);
239  xpos += strlen(buffer) * 8;
240  }
241  if (s->flags & MODE_SCOUT) {
242  snprintf(buffer, sizeof(buffer)-1, " | sout: %"PRId64, l->sample_count_out);
243  drawtext(out, xpos, ypos, buffer, s->white);
244  xpos += strlen(buffer) * 8;
245  }
246  if (s->flags & MODE_PTS) {
247  snprintf(buffer, sizeof(buffer)-1, " | pts: %s", av_ts2str(l->current_pts_us));
248  drawtext(out, xpos, ypos, buffer, s->white);
249  xpos += strlen(buffer) * 8;
250  }
251  if (s->flags & MODE_TIME) {
252  snprintf(buffer, sizeof(buffer)-1, " | time: %s", av_ts2timestr(l->current_pts_us, &AV_TIME_BASE_Q));
253  drawtext(out, xpos, ypos, buffer, s->white);
254  xpos += strlen(buffer) * 8;
255  }
256  if (s->flags & MODE_EOF && ff_outlink_get_status(l)) {
257  snprintf(buffer, sizeof(buffer)-1, " | eof");
258  drawtext(out, xpos, ypos, buffer, s->blue);
259  xpos += strlen(buffer) * 8;
260  }
261 }
262 
263 static int create_frame(AVFilterContext *ctx, int64_t pts)
264 {
265  GraphMonitorContext *s = ctx->priv;
266  AVFilterLink *outlink = ctx->outputs[0];
267  AVFrame *out;
268  int xpos, ypos = 0;
269 
270  out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
271  if (!out)
272  return AVERROR(ENOMEM);
273 
274  clear_image(s, out, outlink);
275 
276  for (int i = 0; i < ctx->graph->nb_filters; i++) {
277  AVFilterContext *filter = ctx->graph->filters[i];
278  char buffer[1024] = { 0 };
279 
280  if (s->mode && !filter_have_queued(filter))
281  continue;
282 
283  xpos = 0;
284  drawtext(out, xpos, ypos, filter->name, s->white);
285  xpos += strlen(filter->name) * 8 + 10;
286  drawtext(out, xpos, ypos, filter->filter->name, s->white);
287  ypos += 10;
288  for (int j = 0; j < filter->nb_inputs; j++) {
289  AVFilterLink *l = filter->inputs[j];
290  size_t frames = ff_inlink_queued_frames(l);
291 
292  if (s->mode && !frames)
293  continue;
294 
295  xpos = 10;
296  snprintf(buffer, sizeof(buffer)-1, "in%d: ", j);
297  drawtext(out, xpos, ypos, buffer, s->white);
298  xpos += strlen(buffer) * 8;
299  drawtext(out, xpos, ypos, l->src->name, s->white);
300  xpos += strlen(l->src->name) * 8 + 10;
301  draw_items(ctx, out, xpos, ypos, l, frames);
302  ypos += 10;
303  }
304 
305  ypos += 2;
306  for (int j = 0; j < filter->nb_outputs; j++) {
307  AVFilterLink *l = filter->outputs[j];
308  size_t frames = ff_inlink_queued_frames(l);
309 
310  if (s->mode && !frames)
311  continue;
312 
313  xpos = 10;
314  snprintf(buffer, sizeof(buffer)-1, "out%d: ", j);
315  drawtext(out, xpos, ypos, buffer, s->white);
316  xpos += strlen(buffer) * 8;
317  drawtext(out, xpos, ypos, l->dst->name, s->white);
318  xpos += strlen(l->dst->name) * 8 + 10;
319  draw_items(ctx, out, xpos, ypos, l, frames);
320  ypos += 10;
321  }
322  ypos += 5;
323  }
324 
325  out->pts = pts;
326  s->pts = pts + 1;
327  return ff_filter_frame(outlink, out);
328 }
329 
331 {
332  GraphMonitorContext *s = ctx->priv;
333  AVFilterLink *inlink = ctx->inputs[0];
334  AVFilterLink *outlink = ctx->outputs[0];
335  int64_t pts = AV_NOPTS_VALUE;
336 
338 
340  AVFrame *frame = NULL;
341  int ret;
342 
344  if (ret < 0)
345  return ret;
346  if (ret > 0) {
347  pts = frame->pts;
349  }
350  }
351 
352  if (pts != AV_NOPTS_VALUE) {
353  pts = av_rescale_q(pts, inlink->time_base, outlink->time_base);
354  if (s->pts == AV_NOPTS_VALUE)
355  s->pts = pts;
356  s->next_pts = pts;
357  }
358 
359  if (s->pts < s->next_pts && ff_outlink_frame_wanted(outlink))
360  return create_frame(ctx, s->pts);
361 
364 
365  return FFERROR_NOT_READY;
366 }
367 
368 static int config_output(AVFilterLink *outlink)
369 {
370  GraphMonitorContext *s = outlink->src->priv;
371 
372  s->bg[3] = 255 * s->opacity;
373  s->white[0] = s->white[1] = s->white[2] = 255;
374  s->yellow[0] = s->yellow[1] = 255;
375  s->red[0] = 255;
376  s->green[1] = 255;
377  s->blue[2] = 255;
378  s->pts = AV_NOPTS_VALUE;
379  s->next_pts = AV_NOPTS_VALUE;
380  outlink->w = s->w;
381  outlink->h = s->h;
382  outlink->sample_aspect_ratio = (AVRational){1,1};
383  outlink->frame_rate = s->frame_rate;
384  outlink->time_base = av_inv_q(s->frame_rate);
385 
386  return 0;
387 }
388 
389 AVFILTER_DEFINE_CLASS_EXT(graphmonitor, "(a)graphmonitor", graphmonitor_options);
390 
391 #if CONFIG_GRAPHMONITOR_FILTER
392 
393 static const AVFilterPad graphmonitor_inputs[] = {
394  {
395  .name = "default",
396  .type = AVMEDIA_TYPE_VIDEO,
397  },
398 };
399 
400 static const AVFilterPad graphmonitor_outputs[] = {
401  {
402  .name = "default",
403  .type = AVMEDIA_TYPE_VIDEO,
404  .config_props = config_output,
405  },
406 };
407 
409  .name = "graphmonitor",
410  .description = NULL_IF_CONFIG_SMALL("Show various filtergraph stats."),
411  .priv_size = sizeof(GraphMonitorContext),
412  .priv_class = &graphmonitor_class,
413  .activate = activate,
414  FILTER_INPUTS(graphmonitor_inputs),
415  FILTER_OUTPUTS(graphmonitor_outputs),
417 };
418 
419 #endif // CONFIG_GRAPHMONITOR_FILTER
420 
421 #if CONFIG_AGRAPHMONITOR_FILTER
422 
423 static const AVFilterPad agraphmonitor_inputs[] = {
424  {
425  .name = "default",
426  .type = AVMEDIA_TYPE_AUDIO,
427  },
428 };
429 
430 static const AVFilterPad agraphmonitor_outputs[] = {
431  {
432  .name = "default",
433  .type = AVMEDIA_TYPE_VIDEO,
434  .config_props = config_output,
435  },
436 };
437 
439  .name = "agraphmonitor",
440  .description = NULL_IF_CONFIG_SMALL("Show various filtergraph stats."),
441  .priv_class = &graphmonitor_class,
442  .priv_size = sizeof(GraphMonitorContext),
443  .activate = activate,
444  FILTER_INPUTS(agraphmonitor_inputs),
445  FILTER_OUTPUTS(agraphmonitor_outputs),
447 };
448 #endif // CONFIG_AGRAPHMONITOR_FILTER
GraphMonitorContext::mode
int mode
Definition: f_graphmonitor.c:40
ff_get_video_buffer
AVFrame * ff_get_video_buffer(AVFilterLink *link, int w, int h)
Request a picture buffer with a specific set of permissions.
Definition: video.c:98
AVPixelFormat
AVPixelFormat
Pixel format.
Definition: pixfmt.h:64
AVERROR
Filter the word “frame” indicates either a video frame or a group of audio as stored in an AVFrame structure Format for each input and each output the list of supported formats For video that means pixel format For audio that means channel sample they are references to shared objects When the negotiation mechanism computes the intersection of the formats supported at each end of a all references to both lists are replaced with a reference to the intersection And when a single format is eventually chosen for a link amongst the remaining all references to the list are updated That means that if a filter requires that its input and output have the same format amongst a supported all it has to do is use a reference to the same list of formats query_formats can leave some formats unset and return AVERROR(EAGAIN) to cause the negotiation mechanism toagain later. That can be used by filters with complex requirements to use the format negotiated on one link to set the formats supported on another. Frame references ownership and permissions
opt.h
ff_make_format_list
AVFilterFormats * ff_make_format_list(const int *fmts)
Create a list of supported formats.
Definition: formats.c:381
out
FILE * out
Definition: movenc.c:54
color
Definition: vf_paletteuse.c:599
MODE_FCIN
@ MODE_FCIN
Definition: f_graphmonitor.c:56
ff_filter_frame
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
Definition: avfilter.c:1018
FFERROR_NOT_READY
return FFERROR_NOT_READY
Definition: filter_design.txt:204
AV_OPT_TYPE_VIDEO_RATE
@ AV_OPT_TYPE_VIDEO_RATE
offset must point to AVRational
Definition: opt.h:237
AV_TIME_BASE_Q
#define AV_TIME_BASE_Q
Internal time base represented as fractional value.
Definition: avutil.h:260
inlink
The exact code depends on how similar the blocks are and how related they are to the and needs to apply these operations to the correct inlink or outlink if there are several Macros are available to factor that when no extra processing is inlink
Definition: filter_design.txt:212
av_frame_free
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
Definition: frame.c:112
GraphMonitorContext::opacity
float opacity
Definition: f_graphmonitor.c:39
AVFrame
This structure describes decoded (raw) audio or video data.
Definition: frame.h:303
pixdesc.h
AVFrame::width
int width
Definition: frame.h:361
w
uint8_t w
Definition: llviddspenc.c:38
OFFSET
#define OFFSET(x)
Definition: f_graphmonitor.c:69
AVOption
AVOption.
Definition: opt.h:247
FILTER_QUERY_FUNC
#define FILTER_QUERY_FUNC(func)
Definition: internal.h:168
float.h
MODE_TIME
@ MODE_TIME
Definition: f_graphmonitor.c:59
filter
filter_frame For filters that do not use the this method is called when a frame is pushed to the filter s input It can be called at any time except in a reentrant way If the input frame is enough to produce then the filter should push the output frames on the output link immediately As an exception to the previous rule if the input frame is enough to produce several output frames then the filter needs output only at least one per link The additional frames can be left buffered in the filter
Definition: filter_design.txt:228
AVFilter::name
const char * name
Filter name.
Definition: avfilter.h:153
video.h
FF_FILTER_FORWARD_STATUS_BACK
#define FF_FILTER_FORWARD_STATUS_BACK(outlink, inlink)
Forward the status on an output link to an input link.
Definition: filters.h:199
create_frame
static int create_frame(AVFilterContext *ctx, int64_t pts)
Definition: f_graphmonitor.c:263
MODE_SIZE
@ MODE_SIZE
Definition: f_graphmonitor.c:62
AVFrame::data
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:317
AVFilterFormats
A list of supported formats for one end of a filter link.
Definition: formats.h:64
formats.h
ff_avf_agraphmonitor
const AVFilter ff_avf_agraphmonitor
ff_inlink_consume_frame
int ff_inlink_consume_frame(AVFilterLink *link, AVFrame **rframe)
Take a frame from the link's FIFO and update the link's stats.
Definition: avfilter.c:1417
GraphMonitorContext::bg
uint8_t bg[4]
Definition: f_graphmonitor.c:51
MODE_FMT
@ MODE_FMT
Definition: f_graphmonitor.c:61
AVFilterContext::priv
void * priv
private data for use by the filter
Definition: avfilter.h:401
frames
if it could not because there are no more frames
Definition: filter_design.txt:266
pts
static int64_t pts
Definition: transcode_aac.c:653
query_formats
static int query_formats(AVFilterContext *ctx)
Definition: f_graphmonitor.c:100
AVRational::num
int num
Numerator.
Definition: rational.h:59
AVFilterPad
A filter pad used for either input or output.
Definition: internal.h:50
GraphMonitorContext::green
uint8_t green[4]
Definition: f_graphmonitor.c:49
MODE_PTS
@ MODE_PTS
Definition: f_graphmonitor.c:58
mask
static const uint16_t mask[17]
Definition: lzw.c:38
intreadwrite.h
s
#define s(width, name)
Definition: cbs_vp9.c:257
AVMEDIA_TYPE_AUDIO
@ AVMEDIA_TYPE_AUDIO
Definition: avutil.h:202
ff_formats_ref
int ff_formats_ref(AVFilterFormats *f, AVFilterFormats **ref)
Add *ref as a new reference to formats.
Definition: formats.c:555
filters.h
pix_fmts
static enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:290
GraphMonitorContext::white
uint8_t white[4]
Definition: f_graphmonitor.c:46
ctx
AVFormatContext * ctx
Definition: movenc.c:48
av_rescale_q
int64_t av_rescale_q(int64_t a, AVRational bq, AVRational cq)
Rescale a 64-bit integer by 2 rational numbers.
Definition: mathematics.c:141
av_get_sample_fmt_name
const char * av_get_sample_fmt_name(enum AVSampleFormat sample_fmt)
Return the name of sample_fmt, or NULL if sample_fmt is not recognized.
Definition: samplefmt.c:49
FILTER_INPUTS
#define FILTER_INPUTS(array)
Definition: internal.h:191
GraphMonitorContext::pts
int64_t pts
Definition: f_graphmonitor.c:44
AV_PIX_FMT_RGBA
@ AV_PIX_FMT_RGBA
packed RGBA 8:8:8:8, 32bpp, RGBARGBA...
Definition: pixfmt.h:93
AVClass
Describe the class of an AVClass context structure.
Definition: log.h:66
NULL
#define NULL
Definition: coverity.c:32
GraphMonitorContext::red
uint8_t red[4]
Definition: f_graphmonitor.c:48
MODE_TB
@ MODE_TB
Definition: f_graphmonitor.c:60
AVRational
Rational number (pair of numerator and denominator).
Definition: rational.h:58
MODE_EOF
@ MODE_EOF
Definition: f_graphmonitor.c:64
AV_OPT_TYPE_IMAGE_SIZE
@ AV_OPT_TYPE_IMAGE_SIZE
offset must point to two consecutive integers
Definition: opt.h:234
AV_RN32
#define AV_RN32(p)
Definition: intreadwrite.h:364
AVFilterContext::name
char * name
name of this filter instance
Definition: avfilter.h:391
VF
#define VF
Definition: f_graphmonitor.c:70
ff_inlink_queued_frames
size_t ff_inlink_queued_frames(AVFilterLink *link)
Get the number of frames available on the link.
Definition: avfilter.c:1386
activate
static int activate(AVFilterContext *ctx)
Definition: f_graphmonitor.c:330
eval.h
av_ts2timestr
#define av_ts2timestr(ts, tb)
Convenience macro, the return value should be used only directly in function arguments but never stan...
Definition: timestamp.h:76
GraphMonitorContext::next_pts
int64_t next_pts
Definition: f_graphmonitor.c:45
NULL_IF_CONFIG_SMALL
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
Definition: internal.h:117
AV_WN32
#define AV_WN32(p, v)
Definition: intreadwrite.h:376
AV_NOPTS_VALUE
#define AV_NOPTS_VALUE
Undefined timestamp value.
Definition: avutil.h:248
MODE_FCOUT
@ MODE_FCOUT
Definition: f_graphmonitor.c:57
GraphMonitorContext
Definition: f_graphmonitor.c:35
FF_FILTER_FORWARD_WANTED
FF_FILTER_FORWARD_WANTED(outlink, inlink)
xga_font_data.h
drawtext
static void drawtext(AVFrame *pic, int x, int y, const char *txt, uint8_t *color)
Definition: f_graphmonitor.c:125
internal.h
AV_OPT_TYPE_FLOAT
@ AV_OPT_TYPE_FLOAT
Definition: opt.h:227
GraphMonitorContext::blue
uint8_t blue[4]
Definition: f_graphmonitor.c:50
i
#define i(width, name, range_min, range_max)
Definition: cbs_h2645.c:271
graphmonitor_options
static const AVOption graphmonitor_options[]
Definition: f_graphmonitor.c:72
av_inv_q
static av_always_inline AVRational av_inv_q(AVRational q)
Invert a rational.
Definition: rational.h:159
AVFilterPad::name
const char * name
Pad name.
Definition: internal.h:56
GraphMonitorContext::frame_rate
AVRational frame_rate
Definition: f_graphmonitor.c:42
AVFilter
Filter definition.
Definition: avfilter.h:149
ret
ret
Definition: filter_design.txt:187
filter_have_queued
static int filter_have_queued(AVFilterContext *filter)
Definition: f_graphmonitor.c:155
frame
these buffered frames must be flushed immediately if a new input produces new the filter must not call request_frame to get more It must just process the frame or queue it The task of requesting more frames is left to the filter s request_frame method or the application If a filter has several the filter must be ready for frames arriving randomly on any input any filter with several inputs will most likely require some kind of queuing mechanism It is perfectly acceptable to have a limited queue and to drop frames when the inputs are too unbalanced request_frame For filters that do not use the this method is called when a frame is wanted on an output For a it should directly call filter_frame on the corresponding output For a if there are queued frames already one of these frames should be pushed If the filter should request a frame on one of its repeatedly until at least one frame has been pushed Return or at least make progress towards producing a frame
Definition: filter_design.txt:264
GraphMonitorContext::w
int w
Definition: f_graphmonitor.c:38
MODE_SCIN
@ MODE_SCIN
Definition: f_graphmonitor.c:65
clear_image
static void clear_image(GraphMonitorContext *s, AVFrame *out, AVFilterLink *outlink)
Definition: f_graphmonitor.c:116
config_output
static int config_output(AVFilterLink *outlink)
Definition: f_graphmonitor.c:368
SIZE_SPECIFIER
#define SIZE_SPECIFIER
Definition: internal.h:193
AVFrame::height
int height
Definition: frame.h:361
GraphMonitorContext::h
int h
Definition: f_graphmonitor.c:38
MODE_RATE
@ MODE_RATE
Definition: f_graphmonitor.c:63
buffer
the frame and frame reference mechanism is intended to as much as expensive copies of that data while still allowing the filters to produce correct results The data is stored in buffers represented by AVFrame structures Several references can point to the same frame buffer
Definition: filter_design.txt:49
AVRational::den
int den
Denominator.
Definition: rational.h:60
mode
mode
Definition: ebur128.h:83
AV_PIX_FMT_NONE
@ AV_PIX_FMT_NONE
Definition: pixfmt.h:65
AV_OPT_TYPE_INT
@ AV_OPT_TYPE_INT
Definition: opt.h:224
avfilter.h
ff_outlink_get_status
int ff_outlink_get_status(AVFilterLink *link)
Get the status on an output link.
Definition: avfilter.c:1557
AVFilterContext
An instance of a filter.
Definition: avfilter.h:386
AVMEDIA_TYPE_VIDEO
@ AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201
AVFilterFormatsConfig::formats
AVFilterFormats * formats
List of supported formats (pixel or sample).
Definition: avfilter.h:490
GraphMonitorContext::flags
int flags
Definition: f_graphmonitor.c:41
avpriv_cga_font
const uint8_t avpriv_cga_font[2048]
Definition: xga_font_data.c:29
FF_FILTER_FORWARD_STATUS
FF_FILTER_FORWARD_STATUS(inlink, outlink)
MODE_QUEUE
@ MODE_QUEUE
Definition: f_graphmonitor.c:55
FILTER_OUTPUTS
#define FILTER_OUTPUTS(array)
Definition: internal.h:192
AV_OPT_TYPE_FLAGS
@ AV_OPT_TYPE_FLAGS
Definition: opt.h:223
timestamp.h
flags
#define flags(name, subs,...)
Definition: cbs_av1.c:561
AVFrame::linesize
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
Definition: frame.h:334
av_ts2str
#define av_ts2str(ts)
Convenience macro, the return value should be used only directly in function arguments but never stan...
Definition: timestamp.h:54
ff_outlink_frame_wanted
the definition of that something depends on the semantic of the filter The callback must examine the status of the filter s links and proceed accordingly The status of output links is stored in the status_in and status_out fields and tested by the ff_outlink_frame_wanted() function. If this function returns true
GraphMonitorContext::yellow
uint8_t yellow[4]
Definition: f_graphmonitor.c:47
AVFILTER_DEFINE_CLASS_EXT
AVFILTER_DEFINE_CLASS_EXT(graphmonitor, "(a)graphmonitor", graphmonitor_options)
MODE_SCOUT
@ MODE_SCOUT
Definition: f_graphmonitor.c:66
AV_OPT_TYPE_CONST
@ AV_OPT_TYPE_CONST
Definition: opt.h:233
snprintf
#define snprintf
Definition: snprintf.h:34
draw_items
static void draw_items(AVFilterContext *ctx, AVFrame *out, int xpos, int ypos, AVFilterLink *l, size_t frames)
Definition: f_graphmonitor.c:176
ff_vf_graphmonitor
const AVFilter ff_vf_graphmonitor
av_get_pix_fmt_name
const char * av_get_pix_fmt_name(enum AVPixelFormat pix_fmt)
Return the short name for a pixel format, NULL in case pix_fmt is unknown.
Definition: pixdesc.c:2484