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/adler32.h"
28 #include "libavutil/display.h"
29 #include "libavutil/imgutils.h"
30 #include "libavutil/internal.h"
31 #include "libavutil/opt.h"
32 #include "libavutil/pixdesc.h"
33 #include "libavutil/spherical.h"
34 #include "libavutil/stereo3d.h"
35 #include "libavutil/timestamp.h"
36 #include "libavutil/timecode.h"
42 typedef struct ShowInfoContext {
44 int calculate_checksums;
47 #define OFFSET(x) offsetof(ShowInfoContext, x)
48 #define VF AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
50 static const AVOption showinfo_options[] = {
51 { "checksum", "calculate checksums", OFFSET(calculate_checksums), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1, VF },
55 AVFILTER_DEFINE_CLASS(showinfo);
57 static void dump_spherical(AVFilterContext *ctx, AVFrame *frame, AVFrameSideData *sd)
59 AVSphericalMapping *spherical = (AVSphericalMapping *)sd->data;
60 double yaw, pitch, roll;
62 av_log(ctx, AV_LOG_INFO, "spherical information: ");
63 if (sd->size < sizeof(*spherical)) {
64 av_log(ctx, AV_LOG_INFO, "invalid data");
68 if (spherical->projection == AV_SPHERICAL_EQUIRECTANGULAR)
69 av_log(ctx, AV_LOG_INFO, "equirectangular ");
70 else if (spherical->projection == AV_SPHERICAL_CUBEMAP)
71 av_log(ctx, AV_LOG_INFO, "cubemap ");
72 else if (spherical->projection == AV_SPHERICAL_EQUIRECTANGULAR_TILE)
73 av_log(ctx, AV_LOG_INFO, "tiled equirectangular ");
75 av_log(ctx, AV_LOG_WARNING, "unknown");
79 yaw = ((double)spherical->yaw) / (1 << 16);
80 pitch = ((double)spherical->pitch) / (1 << 16);
81 roll = ((double)spherical->roll) / (1 << 16);
82 av_log(ctx, AV_LOG_INFO, "(%f/%f/%f) ", yaw, pitch, roll);
84 if (spherical->projection == AV_SPHERICAL_EQUIRECTANGULAR_TILE) {
86 av_spherical_tile_bounds(spherical, frame->width, frame->height,
88 av_log(ctx, AV_LOG_INFO,
89 "[%"SIZE_SPECIFIER", %"SIZE_SPECIFIER", %"SIZE_SPECIFIER", %"SIZE_SPECIFIER"] ",
91 } else if (spherical->projection == AV_SPHERICAL_CUBEMAP) {
92 av_log(ctx, AV_LOG_INFO, "[pad %"PRIu32"] ", spherical->padding);
96 static void dump_stereo3d(AVFilterContext *ctx, AVFrameSideData *sd)
100 av_log(ctx, AV_LOG_INFO, "stereoscopic information: ");
101 if (sd->size < sizeof(*stereo)) {
102 av_log(ctx, AV_LOG_INFO, "invalid data");
106 stereo = (AVStereo3D *)sd->data;
108 av_log(ctx, AV_LOG_INFO, "type - %s", av_stereo3d_type_name(stereo->type));
110 if (stereo->flags & AV_STEREO3D_FLAG_INVERT)
111 av_log(ctx, AV_LOG_INFO, " (inverted)");
114 static void dump_roi(AVFilterContext *ctx, AVFrameSideData *sd)
117 const AVRegionOfInterest *roi;
120 roi = (const AVRegionOfInterest *)sd->data;
121 roi_size = roi->self_size;
122 if (!roi_size || sd->size % roi_size != 0) {
123 av_log(ctx, AV_LOG_ERROR, "Invalid AVRegionOfInterest.self_size.\n");
126 nb_rois = sd->size / roi_size;
128 av_log(ctx, AV_LOG_INFO, "Regions Of Interest(RoI) information: ");
129 for (int i = 0; i < nb_rois; i++) {
130 roi = (const AVRegionOfInterest *)(sd->data + roi_size * i);
131 av_log(ctx, AV_LOG_INFO, "index: %d, region: (%d, %d)/(%d, %d), qp offset: %d/%d.\n",
132 i, roi->left, roi->top, roi->right, roi->bottom, roi->qoffset.num, roi->qoffset.den);
136 static void dump_color_property(AVFilterContext *ctx, AVFrame *frame)
138 const char *color_range_str = av_color_range_name(frame->color_range);
139 const char *colorspace_str = av_color_space_name(frame->colorspace);
140 const char *color_primaries_str = av_color_primaries_name(frame->color_primaries);
141 const char *color_trc_str = av_color_transfer_name(frame->color_trc);
143 if (!color_range_str || frame->color_range == AVCOL_RANGE_UNSPECIFIED) {
144 av_log(ctx, AV_LOG_INFO, "color_range:unknown");
146 av_log(ctx, AV_LOG_INFO, "color_range:%s", color_range_str);
149 if (!colorspace_str || frame->colorspace == AVCOL_SPC_UNSPECIFIED) {
150 av_log(ctx, AV_LOG_INFO, " color_space:unknown");
152 av_log(ctx, AV_LOG_INFO, " color_space:%s", colorspace_str);
155 if (!color_primaries_str || frame->color_primaries == AVCOL_PRI_UNSPECIFIED) {
156 av_log(ctx, AV_LOG_INFO, " color_primaries:unknown");
158 av_log(ctx, AV_LOG_INFO, " color_primaries:%s", color_primaries_str);
161 if (!color_trc_str || frame->color_trc == AVCOL_TRC_UNSPECIFIED) {
162 av_log(ctx, AV_LOG_INFO, " color_trc:unknown");
164 av_log(ctx, AV_LOG_INFO, " color_trc:%s", color_trc_str);
166 av_log(ctx, AV_LOG_INFO, "\n");
169 static void update_sample_stats(const uint8_t *src, int len, int64_t *sum, int64_t *sum2)
173 for (i = 0; i < len; i++) {
175 *sum2 += src[i] * src[i];
179 static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
181 AVFilterContext *ctx = inlink->dst;
182 ShowInfoContext *s = ctx->priv;
183 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
184 uint32_t plane_checksum[4] = {0}, checksum = 0;
185 int64_t sum[4] = {0}, sum2[4] = {0};
186 int32_t pixelcount[4] = {0};
187 int i, plane, vsub = desc->log2_chroma_h;
189 for (plane = 0; plane < 4 && s->calculate_checksums && frame->data[plane] && frame->linesize[plane]; plane++) {
190 uint8_t *data = frame->data[plane];
191 int h = plane == 1 || plane == 2 ? AV_CEIL_RSHIFT(inlink->h, vsub) : inlink->h;
192 int linesize = av_image_get_linesize(frame->format, frame->width, plane);
197 for (i = 0; i < h; i++) {
198 plane_checksum[plane] = av_adler32_update(plane_checksum[plane], data, linesize);
199 checksum = av_adler32_update(checksum, data, linesize);
201 update_sample_stats(data, linesize, sum+plane, sum2+plane);
202 pixelcount[plane] += linesize;
203 data += frame->linesize[plane];
207 av_log(ctx, AV_LOG_INFO,
208 "n:%4"PRId64" pts:%7s pts_time:%-7s pos:%9"PRId64" "
209 "fmt:%s sar:%d/%d s:%dx%d i:%c iskey:%d type:%c ",
210 inlink->frame_count_out,
211 av_ts2str(frame->pts), av_ts2timestr(frame->pts, &inlink->time_base), frame->pkt_pos,
213 frame->sample_aspect_ratio.num, frame->sample_aspect_ratio.den,
214 frame->width, frame->height,
215 !frame->interlaced_frame ? 'P' : /* Progressive */
216 frame->top_field_first ? 'T' : 'B', /* Top / Bottom */
218 av_get_picture_type_char(frame->pict_type));
220 if (s->calculate_checksums) {
221 av_log(ctx, AV_LOG_INFO,
222 "checksum:%08"PRIX32" plane_checksum:[%08"PRIX32,
223 checksum, plane_checksum[0]);
225 for (plane = 1; plane < 4 && frame->data[plane] && frame->linesize[plane]; plane++)
226 av_log(ctx, AV_LOG_INFO, " %08"PRIX32, plane_checksum[plane]);
227 av_log(ctx, AV_LOG_INFO, "] mean:[");
228 for (plane = 0; plane < 4 && frame->data[plane] && frame->linesize[plane]; plane++)
229 av_log(ctx, AV_LOG_INFO, "%"PRId64" ", (sum[plane] + pixelcount[plane]/2) / pixelcount[plane]);
230 av_log(ctx, AV_LOG_INFO, "\b] stdev:[");
231 for (plane = 0; plane < 4 && frame->data[plane] && frame->linesize[plane]; plane++)
232 av_log(ctx, AV_LOG_INFO, "%3.1f ",
233 sqrt((sum2[plane] - sum[plane]*(double)sum[plane]/pixelcount[plane])/pixelcount[plane]));
234 av_log(ctx, AV_LOG_INFO, "\b]");
236 av_log(ctx, AV_LOG_INFO, "\n");
238 for (i = 0; i < frame->nb_side_data; i++) {
239 AVFrameSideData *sd = frame->side_data[i];
241 av_log(ctx, AV_LOG_INFO, " side data - ");
243 case AV_FRAME_DATA_PANSCAN:
244 av_log(ctx, AV_LOG_INFO, "pan/scan");
246 case AV_FRAME_DATA_A53_CC:
247 av_log(ctx, AV_LOG_INFO, "A/53 closed captions (%d bytes)", sd->size);
249 case AV_FRAME_DATA_SPHERICAL:
250 dump_spherical(ctx, frame, sd);
252 case AV_FRAME_DATA_STEREO3D:
253 dump_stereo3d(ctx, sd);
255 case AV_FRAME_DATA_S12M_TIMECODE: {
256 uint32_t *tc = (uint32_t*)sd->data;
257 for (int j = 1; j <= tc[0]; j++) {
258 char tcbuf[AV_TIMECODE_STR_SIZE];
259 av_timecode_make_smpte_tc_string(tcbuf, tc[j], 0);
260 av_log(ctx, AV_LOG_INFO, "timecode - %s%s", tcbuf, j != tc[0] ? ", " : "");
264 case AV_FRAME_DATA_DISPLAYMATRIX:
265 av_log(ctx, AV_LOG_INFO, "displaymatrix: rotation of %.2f degrees",
266 av_display_rotation_get((int32_t *)sd->data));
268 case AV_FRAME_DATA_AFD:
269 av_log(ctx, AV_LOG_INFO, "afd: value of %"PRIu8, sd->data[0]);
271 case AV_FRAME_DATA_REGIONS_OF_INTEREST:
275 av_log(ctx, AV_LOG_WARNING, "unknown side data type %d (%d bytes)",
280 av_log(ctx, AV_LOG_INFO, "\n");
283 dump_color_property(ctx, frame);
285 return ff_filter_frame(inlink->dst->outputs[0], frame);
288 static int config_props(AVFilterContext *ctx, AVFilterLink *link, int is_out)
291 av_log(ctx, AV_LOG_INFO, "config %s time_base: %d/%d, frame_rate: %d/%d\n",
292 is_out ? "out" : "in",
293 link->time_base.num, link->time_base.den,
294 link->frame_rate.num, link->frame_rate.den);
299 static int config_props_in(AVFilterLink *link)
301 AVFilterContext *ctx = link->dst;
302 return config_props(ctx, link, 0);
305 static int config_props_out(AVFilterLink *link)
307 AVFilterContext *ctx = link->src;
308 return config_props(ctx, link, 1);
311 static const AVFilterPad avfilter_vf_showinfo_inputs[] = {
314 .type = AVMEDIA_TYPE_VIDEO,
315 .filter_frame = filter_frame,
316 .config_props = config_props_in,
321 static const AVFilterPad avfilter_vf_showinfo_outputs[] = {
324 .type = AVMEDIA_TYPE_VIDEO,
325 .config_props = config_props_out,
330 AVFilter ff_vf_showinfo = {
332 .description = NULL_IF_CONFIG_SMALL("Show textual information for each video frame."),
333 .inputs = avfilter_vf_showinfo_inputs,
334 .outputs = avfilter_vf_showinfo_outputs,
335 .priv_size = sizeof(ShowInfoContext),
336 .priv_class = &showinfo_class,