2 * Copyright (c) 2011 Stefano Sabatini
3 * This file is part of FFmpeg.
5 * FFmpeg is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2.1 of the License, or (at your option) any later version.
10 * FFmpeg is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with FFmpeg; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22 * filter for showing textual video frame information
27 #include "libavutil/bswap.h"
28 #include "libavutil/adler32.h"
29 #include "libavutil/display.h"
30 #include "libavutil/imgutils.h"
31 #include "libavutil/internal.h"
32 #include "libavutil/hdr_dynamic_metadata.h"
33 #include "libavutil/opt.h"
34 #include "libavutil/pixdesc.h"
35 #include "libavutil/spherical.h"
36 #include "libavutil/stereo3d.h"
37 #include "libavutil/timestamp.h"
38 #include "libavutil/timecode.h"
39 #include "libavutil/mastering_display_metadata.h"
40 #include "libavutil/video_enc_params.h"
46 typedef struct ShowInfoContext {
48 int calculate_checksums;
51 #define OFFSET(x) offsetof(ShowInfoContext, x)
52 #define VF AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
54 static const AVOption showinfo_options[] = {
55 { "checksum", "calculate checksums", OFFSET(calculate_checksums), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1, VF },
59 AVFILTER_DEFINE_CLASS(showinfo);
61 static void dump_spherical(AVFilterContext *ctx, AVFrame *frame, const AVFrameSideData *sd)
63 const AVSphericalMapping *spherical = (const AVSphericalMapping *)sd->data;
64 double yaw, pitch, roll;
66 av_log(ctx, AV_LOG_INFO, "spherical information: ");
67 if (sd->size < sizeof(*spherical)) {
68 av_log(ctx, AV_LOG_ERROR, "invalid data\n");
72 if (spherical->projection == AV_SPHERICAL_EQUIRECTANGULAR)
73 av_log(ctx, AV_LOG_INFO, "equirectangular ");
74 else if (spherical->projection == AV_SPHERICAL_CUBEMAP)
75 av_log(ctx, AV_LOG_INFO, "cubemap ");
76 else if (spherical->projection == AV_SPHERICAL_EQUIRECTANGULAR_TILE)
77 av_log(ctx, AV_LOG_INFO, "tiled equirectangular ");
79 av_log(ctx, AV_LOG_WARNING, "unknown\n");
83 yaw = ((double)spherical->yaw) / (1 << 16);
84 pitch = ((double)spherical->pitch) / (1 << 16);
85 roll = ((double)spherical->roll) / (1 << 16);
86 av_log(ctx, AV_LOG_INFO, "(%f/%f/%f) ", yaw, pitch, roll);
88 if (spherical->projection == AV_SPHERICAL_EQUIRECTANGULAR_TILE) {
90 av_spherical_tile_bounds(spherical, frame->width, frame->height,
92 av_log(ctx, AV_LOG_INFO,
93 "[%"SIZE_SPECIFIER", %"SIZE_SPECIFIER", %"SIZE_SPECIFIER", %"SIZE_SPECIFIER"] ",
95 } else if (spherical->projection == AV_SPHERICAL_CUBEMAP) {
96 av_log(ctx, AV_LOG_INFO, "[pad %"PRIu32"] ", spherical->padding);
100 static void dump_stereo3d(AVFilterContext *ctx, const AVFrameSideData *sd)
102 const AVStereo3D *stereo;
104 av_log(ctx, AV_LOG_INFO, "stereoscopic information: ");
105 if (sd->size < sizeof(*stereo)) {
106 av_log(ctx, AV_LOG_ERROR, "invalid data\n");
110 stereo = (const AVStereo3D *)sd->data;
112 av_log(ctx, AV_LOG_INFO, "type - %s", av_stereo3d_type_name(stereo->type));
114 if (stereo->flags & AV_STEREO3D_FLAG_INVERT)
115 av_log(ctx, AV_LOG_INFO, " (inverted)");
118 static void dump_s12m_timecode(AVFilterContext *ctx, AVRational frame_rate, const AVFrameSideData *sd)
120 const uint32_t *tc = (const uint32_t *)sd->data;
122 if ((sd->size != sizeof(uint32_t) * 4) || (tc[0] > 3)) {
123 av_log(ctx, AV_LOG_ERROR, "invalid data\n");
127 for (int j = 1; j <= tc[0]; j++) {
128 char tcbuf[AV_TIMECODE_STR_SIZE];
129 av_timecode_make_smpte_tc_string2(tcbuf, frame_rate, tc[j], 0, 0);
130 av_log(ctx, AV_LOG_INFO, "timecode - %s%s", tcbuf, j != tc[0] ? ", " : "");
134 static void dump_roi(AVFilterContext *ctx, const AVFrameSideData *sd)
137 const AVRegionOfInterest *roi;
140 roi = (const AVRegionOfInterest *)sd->data;
141 roi_size = roi->self_size;
142 if (!roi_size || sd->size % roi_size != 0) {
143 av_log(ctx, AV_LOG_ERROR, "Invalid AVRegionOfInterest.self_size.\n");
146 nb_rois = sd->size / roi_size;
148 av_log(ctx, AV_LOG_INFO, "Regions Of Interest(RoI) information: ");
149 for (int i = 0; i < nb_rois; i++) {
150 roi = (const AVRegionOfInterest *)(sd->data + roi_size * i);
151 av_log(ctx, AV_LOG_INFO, "index: %d, region: (%d, %d)/(%d, %d), qp offset: %d/%d.\n",
152 i, roi->left, roi->top, roi->right, roi->bottom, roi->qoffset.num, roi->qoffset.den);
156 static void dump_mastering_display(AVFilterContext *ctx, const AVFrameSideData *sd)
158 const AVMasteringDisplayMetadata *mastering_display;
160 av_log(ctx, AV_LOG_INFO, "mastering display: ");
161 if (sd->size < sizeof(*mastering_display)) {
162 av_log(ctx, AV_LOG_ERROR, "invalid data\n");
166 mastering_display = (const AVMasteringDisplayMetadata *)sd->data;
168 av_log(ctx, AV_LOG_INFO, "has_primaries:%d has_luminance:%d "
169 "r(%5.4f,%5.4f) g(%5.4f,%5.4f) b(%5.4f %5.4f) wp(%5.4f, %5.4f) "
170 "min_luminance=%f, max_luminance=%f",
171 mastering_display->has_primaries, mastering_display->has_luminance,
172 av_q2d(mastering_display->display_primaries[0][0]),
173 av_q2d(mastering_display->display_primaries[0][1]),
174 av_q2d(mastering_display->display_primaries[1][0]),
175 av_q2d(mastering_display->display_primaries[1][1]),
176 av_q2d(mastering_display->display_primaries[2][0]),
177 av_q2d(mastering_display->display_primaries[2][1]),
178 av_q2d(mastering_display->white_point[0]), av_q2d(mastering_display->white_point[1]),
179 av_q2d(mastering_display->min_luminance), av_q2d(mastering_display->max_luminance));
182 static void dump_dynamic_hdr_plus(AVFilterContext *ctx, AVFrameSideData *sd)
184 AVDynamicHDRPlus *hdr_plus;
186 av_log(ctx, AV_LOG_INFO, "HDR10+ metadata: ");
187 if (sd->size < sizeof(*hdr_plus)) {
188 av_log(ctx, AV_LOG_ERROR, "invalid data\n");
192 hdr_plus = (AVDynamicHDRPlus *)sd->data;
193 av_log(ctx, AV_LOG_INFO, "application version: %d, ", hdr_plus->application_version);
194 av_log(ctx, AV_LOG_INFO, "num_windows: %d, ", hdr_plus->num_windows);
195 for (int w = 1; w < hdr_plus->num_windows; w++) {
196 AVHDRPlusColorTransformParams *params = &hdr_plus->params[w];
197 av_log(ctx, AV_LOG_INFO, "window %d { ", w);
198 av_log(ctx, AV_LOG_INFO, "window_upper_left_corner: (%5.4f,%5.4f),",
199 av_q2d(params->window_upper_left_corner_x),
200 av_q2d(params->window_upper_left_corner_y));
201 av_log(ctx, AV_LOG_INFO, "window_lower_right_corner: (%5.4f,%5.4f), ",
202 av_q2d(params->window_lower_right_corner_x),
203 av_q2d(params->window_lower_right_corner_y));
204 av_log(ctx, AV_LOG_INFO, "window_upper_left_corner: (%5.4f, %5.4f), ",
205 av_q2d(params->window_upper_left_corner_x),
206 av_q2d(params->window_upper_left_corner_y));
207 av_log(ctx, AV_LOG_INFO, "center_of_ellipse_x: (%d,%d), ",
208 params->center_of_ellipse_x,
209 params->center_of_ellipse_y);
210 av_log(ctx, AV_LOG_INFO, "rotation_angle: %d, ",
211 params->rotation_angle);
212 av_log(ctx, AV_LOG_INFO, "semimajor_axis_internal_ellipse: %d, ",
213 params->semimajor_axis_internal_ellipse);
214 av_log(ctx, AV_LOG_INFO, "semimajor_axis_external_ellipse: %d, ",
215 params->semimajor_axis_external_ellipse);
216 av_log(ctx, AV_LOG_INFO, "semiminor_axis_external_ellipse: %d, ",
217 params->semiminor_axis_external_ellipse);
218 av_log(ctx, AV_LOG_INFO, "overlap_process_option: %d}, ",
219 params->overlap_process_option);
221 av_log(ctx, AV_LOG_INFO, "targeted_system_display_maximum_luminance: %9.4f, ",
222 av_q2d(hdr_plus->targeted_system_display_maximum_luminance));
223 if (hdr_plus->targeted_system_display_actual_peak_luminance_flag) {
224 av_log(ctx, AV_LOG_INFO, "targeted_system_display_actual_peak_luminance: {");
225 for (int i = 0; i < hdr_plus->num_rows_targeted_system_display_actual_peak_luminance; i++) {
226 av_log(ctx, AV_LOG_INFO, "(");
227 for (int j = 0; j < hdr_plus->num_cols_targeted_system_display_actual_peak_luminance; j++) {
228 av_log(ctx, AV_LOG_INFO, "%5.4f,",
229 av_q2d(hdr_plus->targeted_system_display_actual_peak_luminance[i][j]));
231 av_log(ctx, AV_LOG_INFO, ")");
233 av_log(ctx, AV_LOG_INFO, "}, ");
236 for (int w = 0; w < hdr_plus->num_windows; w++) {
237 AVHDRPlusColorTransformParams *params = &hdr_plus->params[w];
238 av_log(ctx, AV_LOG_INFO, "window %d {maxscl: {", w);
239 for (int i = 0; i < 3; i++) {
240 av_log(ctx, AV_LOG_INFO, "%5.4f,",av_q2d(params->maxscl[i]));
242 av_log(ctx, AV_LOG_INFO, "} average_maxrgb: %5.4f, ",
243 av_q2d(params->average_maxrgb));
244 av_log(ctx, AV_LOG_INFO, "distribution_maxrgb: {");
245 for (int i = 0; i < params->num_distribution_maxrgb_percentiles; i++) {
246 av_log(ctx, AV_LOG_INFO, "(%d,%5.4f)",
247 params->distribution_maxrgb[i].percentage,
248 av_q2d(params->distribution_maxrgb[i].percentile));
250 av_log(ctx, AV_LOG_INFO, "} fraction_bright_pixels: %5.4f, ",
251 av_q2d(params->fraction_bright_pixels));
252 if (params->tone_mapping_flag) {
253 av_log(ctx, AV_LOG_INFO, "knee_point: (%5.4f,%5.4f), ", av_q2d(params->knee_point_x), av_q2d(params->knee_point_y));
254 av_log(ctx, AV_LOG_INFO, "bezier_curve_anchors: {");
255 for (int i = 0; i < params->num_bezier_curve_anchors; i++) {
256 av_log(ctx, AV_LOG_INFO, "%5.4f,",
257 av_q2d(params->bezier_curve_anchors[i]));
259 av_log(ctx, AV_LOG_INFO, "} ");
261 if (params->color_saturation_mapping_flag) {
262 av_log(ctx, AV_LOG_INFO, "color_saturation_weight: %5.4f",
263 av_q2d(params->color_saturation_weight));
265 av_log(ctx, AV_LOG_INFO, "} ");
268 if (hdr_plus->mastering_display_actual_peak_luminance_flag) {
269 av_log(ctx, AV_LOG_INFO, "mastering_display_actual_peak_luminance: {");
270 for (int i = 0; i < hdr_plus->num_rows_mastering_display_actual_peak_luminance; i++) {
271 av_log(ctx, AV_LOG_INFO, "(");
272 for (int j = 0; j < hdr_plus->num_cols_mastering_display_actual_peak_luminance; j++) {
273 av_log(ctx, AV_LOG_INFO, " %5.4f,",
274 av_q2d(hdr_plus->mastering_display_actual_peak_luminance[i][j]));
276 av_log(ctx, AV_LOG_INFO, ")");
278 av_log(ctx, AV_LOG_INFO, "} ");
282 static void dump_content_light_metadata(AVFilterContext *ctx, AVFrameSideData *sd)
284 const AVContentLightMetadata *metadata = (const AVContentLightMetadata *)sd->data;
286 av_log(ctx, AV_LOG_INFO, "Content Light Level information: "
287 "MaxCLL=%d, MaxFALL=%d",
288 metadata->MaxCLL, metadata->MaxFALL);
291 static void dump_video_enc_params(AVFilterContext *ctx, const AVFrameSideData *sd)
293 const AVVideoEncParams *par = (const AVVideoEncParams *)sd->data;
296 av_log(ctx, AV_LOG_INFO, "video encoding parameters: type %d; ", par->type);
298 av_log(ctx, AV_LOG_INFO, "qp=%d; ", par->qp);
299 for (plane = 0; plane < FF_ARRAY_ELEMS(par->delta_qp); plane++)
300 for (acdc = 0; acdc < FF_ARRAY_ELEMS(par->delta_qp[plane]); acdc++) {
301 int delta_qp = par->delta_qp[plane][acdc];
303 av_log(ctx, AV_LOG_INFO, "delta_qp[%d][%d]=%d; ",
304 plane, acdc, delta_qp);
307 av_log(ctx, AV_LOG_INFO, "%u blocks; ", par->nb_blocks);
310 static void dump_sei_unregistered_metadata(AVFilterContext *ctx, const AVFrameSideData *sd)
312 const int uuid_size = 16;
313 const uint8_t *user_data = sd->data;
316 if (sd->size < uuid_size) {
317 av_log(ctx, AV_LOG_ERROR, "invalid data(%d < UUID(%d-bytes))\n", sd->size, uuid_size);
321 av_log(ctx, AV_LOG_INFO, "User Data Unregistered:\n");
322 av_log(ctx, AV_LOG_INFO, "UUID=");
323 for (i = 0; i < uuid_size; i++) {
324 av_log(ctx, AV_LOG_INFO, "%02x", user_data[i]);
325 if (i == 3 || i == 5 || i == 7 || i == 9)
326 av_log(ctx, AV_LOG_INFO, "-");
328 av_log(ctx, AV_LOG_INFO, "\n");
330 av_log(ctx, AV_LOG_INFO, "User Data=");
331 for (; i < sd->size; i++) {
332 av_log(ctx, AV_LOG_INFO, "%02x", user_data[i]);
334 av_log(ctx, AV_LOG_INFO, "\n");
337 static void dump_color_property(AVFilterContext *ctx, AVFrame *frame)
339 const char *color_range_str = av_color_range_name(frame->color_range);
340 const char *colorspace_str = av_color_space_name(frame->colorspace);
341 const char *color_primaries_str = av_color_primaries_name(frame->color_primaries);
342 const char *color_trc_str = av_color_transfer_name(frame->color_trc);
344 if (!color_range_str || frame->color_range == AVCOL_RANGE_UNSPECIFIED) {
345 av_log(ctx, AV_LOG_INFO, "color_range:unknown");
347 av_log(ctx, AV_LOG_INFO, "color_range:%s", color_range_str);
350 if (!colorspace_str || frame->colorspace == AVCOL_SPC_UNSPECIFIED) {
351 av_log(ctx, AV_LOG_INFO, " color_space:unknown");
353 av_log(ctx, AV_LOG_INFO, " color_space:%s", colorspace_str);
356 if (!color_primaries_str || frame->color_primaries == AVCOL_PRI_UNSPECIFIED) {
357 av_log(ctx, AV_LOG_INFO, " color_primaries:unknown");
359 av_log(ctx, AV_LOG_INFO, " color_primaries:%s", color_primaries_str);
362 if (!color_trc_str || frame->color_trc == AVCOL_TRC_UNSPECIFIED) {
363 av_log(ctx, AV_LOG_INFO, " color_trc:unknown");
365 av_log(ctx, AV_LOG_INFO, " color_trc:%s", color_trc_str);
367 av_log(ctx, AV_LOG_INFO, "\n");
370 static void update_sample_stats_8(const uint8_t *src, int len, int64_t *sum, int64_t *sum2)
374 for (i = 0; i < len; i++) {
376 *sum2 += src[i] * src[i];
380 static void update_sample_stats_16(int be, const uint8_t *src, int len, int64_t *sum, int64_t *sum2)
382 const uint16_t *src1 = (const uint16_t *)src;
385 for (i = 0; i < len / 2; i++) {
386 if ((HAVE_BIGENDIAN && !be) || (!HAVE_BIGENDIAN && be)) {
387 *sum += av_bswap16(src1[i]);
388 *sum2 += (uint32_t)av_bswap16(src1[i]) * (uint32_t)av_bswap16(src1[i]);
391 *sum2 += (uint32_t)src1[i] * (uint32_t)src1[i];
396 static void update_sample_stats(int depth, int be, const uint8_t *src, int len, int64_t *sum, int64_t *sum2)
399 update_sample_stats_8(src, len, sum, sum2);
401 update_sample_stats_16(be, src, len, sum, sum2);
404 static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
406 AVFilterContext *ctx = inlink->dst;
407 ShowInfoContext *s = ctx->priv;
408 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
409 uint32_t plane_checksum[4] = {0}, checksum = 0;
410 int64_t sum[4] = {0}, sum2[4] = {0};
411 int32_t pixelcount[4] = {0};
412 int bitdepth = desc->comp[0].depth;
413 int be = desc->flags & AV_PIX_FMT_FLAG_BE;
414 int i, plane, vsub = desc->log2_chroma_h;
416 for (plane = 0; plane < 4 && s->calculate_checksums && frame->data[plane] && frame->linesize[plane]; plane++) {
417 uint8_t *data = frame->data[plane];
418 int h = plane == 1 || plane == 2 ? AV_CEIL_RSHIFT(inlink->h, vsub) : inlink->h;
419 int linesize = av_image_get_linesize(frame->format, frame->width, plane);
420 int width = linesize >> (bitdepth > 8);
425 for (i = 0; i < h; i++) {
426 plane_checksum[plane] = av_adler32_update(plane_checksum[plane], data, linesize);
427 checksum = av_adler32_update(checksum, data, linesize);
429 update_sample_stats(bitdepth, be, data, linesize, sum+plane, sum2+plane);
430 pixelcount[plane] += width;
431 data += frame->linesize[plane];
435 av_log(ctx, AV_LOG_INFO,
436 "n:%4"PRId64" pts:%7s pts_time:%-7s pos:%9"PRId64" "
437 "fmt:%s sar:%d/%d s:%dx%d i:%c iskey:%d type:%c ",
438 inlink->frame_count_out,
439 av_ts2str(frame->pts), av_ts2timestr(frame->pts, &inlink->time_base), frame->pkt_pos,
441 frame->sample_aspect_ratio.num, frame->sample_aspect_ratio.den,
442 frame->width, frame->height,
443 !frame->interlaced_frame ? 'P' : /* Progressive */
444 frame->top_field_first ? 'T' : 'B', /* Top / Bottom */
446 av_get_picture_type_char(frame->pict_type));
448 if (s->calculate_checksums) {
449 av_log(ctx, AV_LOG_INFO,
450 "checksum:%08"PRIX32" plane_checksum:[%08"PRIX32,
451 checksum, plane_checksum[0]);
453 for (plane = 1; plane < 4 && frame->data[plane] && frame->linesize[plane]; plane++)
454 av_log(ctx, AV_LOG_INFO, " %08"PRIX32, plane_checksum[plane]);
455 av_log(ctx, AV_LOG_INFO, "] mean:[");
456 for (plane = 0; plane < 4 && frame->data[plane] && frame->linesize[plane]; plane++)
457 av_log(ctx, AV_LOG_INFO, "%"PRId64" ", (sum[plane] + pixelcount[plane]/2) / pixelcount[plane]);
458 av_log(ctx, AV_LOG_INFO, "\b] stdev:[");
459 for (plane = 0; plane < 4 && frame->data[plane] && frame->linesize[plane]; plane++)
460 av_log(ctx, AV_LOG_INFO, "%3.1f ",
461 sqrt((sum2[plane] - sum[plane]*(double)sum[plane]/pixelcount[plane])/pixelcount[plane]));
462 av_log(ctx, AV_LOG_INFO, "\b]");
464 av_log(ctx, AV_LOG_INFO, "\n");
466 for (i = 0; i < frame->nb_side_data; i++) {
467 AVFrameSideData *sd = frame->side_data[i];
469 av_log(ctx, AV_LOG_INFO, " side data - ");
471 case AV_FRAME_DATA_PANSCAN:
472 av_log(ctx, AV_LOG_INFO, "pan/scan");
474 case AV_FRAME_DATA_A53_CC:
475 av_log(ctx, AV_LOG_INFO, "A/53 closed captions (%d bytes)", sd->size);
477 case AV_FRAME_DATA_SPHERICAL:
478 dump_spherical(ctx, frame, sd);
480 case AV_FRAME_DATA_STEREO3D:
481 dump_stereo3d(ctx, sd);
483 case AV_FRAME_DATA_S12M_TIMECODE: {
484 dump_s12m_timecode(ctx, inlink->frame_rate, sd);
487 case AV_FRAME_DATA_DISPLAYMATRIX:
488 av_log(ctx, AV_LOG_INFO, "displaymatrix: rotation of %.2f degrees",
489 av_display_rotation_get((int32_t *)sd->data));
491 case AV_FRAME_DATA_AFD:
492 av_log(ctx, AV_LOG_INFO, "afd: value of %"PRIu8, sd->data[0]);
494 case AV_FRAME_DATA_REGIONS_OF_INTEREST:
497 case AV_FRAME_DATA_MASTERING_DISPLAY_METADATA:
498 dump_mastering_display(ctx, sd);
500 case AV_FRAME_DATA_DYNAMIC_HDR_PLUS:
501 dump_dynamic_hdr_plus(ctx, sd);
503 case AV_FRAME_DATA_CONTENT_LIGHT_LEVEL:
504 dump_content_light_metadata(ctx, sd);
506 case AV_FRAME_DATA_GOP_TIMECODE: {
507 char tcbuf[AV_TIMECODE_STR_SIZE];
508 av_timecode_make_mpeg_tc_string(tcbuf, *(int64_t *)(sd->data));
509 av_log(ctx, AV_LOG_INFO, "GOP timecode - %s", tcbuf);
512 case AV_FRAME_DATA_VIDEO_ENC_PARAMS:
513 dump_video_enc_params(ctx, sd);
515 case AV_FRAME_DATA_SEI_UNREGISTERED:
516 dump_sei_unregistered_metadata(ctx, sd);
519 av_log(ctx, AV_LOG_WARNING, "unknown side data type %d (%d bytes)\n",
524 av_log(ctx, AV_LOG_INFO, "\n");
527 dump_color_property(ctx, frame);
529 return ff_filter_frame(inlink->dst->outputs[0], frame);
532 static int config_props(AVFilterContext *ctx, AVFilterLink *link, int is_out)
535 av_log(ctx, AV_LOG_INFO, "config %s time_base: %d/%d, frame_rate: %d/%d\n",
536 is_out ? "out" : "in",
537 link->time_base.num, link->time_base.den,
538 link->frame_rate.num, link->frame_rate.den);
543 static int config_props_in(AVFilterLink *link)
545 AVFilterContext *ctx = link->dst;
546 return config_props(ctx, link, 0);
549 static int config_props_out(AVFilterLink *link)
551 AVFilterContext *ctx = link->src;
552 return config_props(ctx, link, 1);
555 static const AVFilterPad avfilter_vf_showinfo_inputs[] = {
558 .type = AVMEDIA_TYPE_VIDEO,
559 .filter_frame = filter_frame,
560 .config_props = config_props_in,
565 static const AVFilterPad avfilter_vf_showinfo_outputs[] = {
568 .type = AVMEDIA_TYPE_VIDEO,
569 .config_props = config_props_out,
574 AVFilter ff_vf_showinfo = {
576 .description = NULL_IF_CONFIG_SMALL("Show textual information for each video frame."),
577 .inputs = avfilter_vf_showinfo_inputs,
578 .outputs = avfilter_vf_showinfo_outputs,
579 .priv_size = sizeof(ShowInfoContext),
580 .priv_class = &showinfo_class,