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/pixdesc.h"
32 #include "libavutil/spherical.h"
33 #include "libavutil/stereo3d.h"
34 #include "libavutil/timestamp.h"
40 static void dump_spherical(AVFilterContext *ctx, AVFrame *frame, AVFrameSideData *sd)
42 AVSphericalMapping *spherical = (AVSphericalMapping *)sd->data;
43 double yaw, pitch, roll;
45 av_log(ctx, AV_LOG_INFO, "spherical information: ");
46 if (sd->size < sizeof(*spherical)) {
47 av_log(ctx, AV_LOG_INFO, "invalid data");
51 if (spherical->projection == AV_SPHERICAL_EQUIRECTANGULAR)
52 av_log(ctx, AV_LOG_INFO, "equirectangular ");
53 else if (spherical->projection == AV_SPHERICAL_CUBEMAP)
54 av_log(ctx, AV_LOG_INFO, "cubemap ");
55 else if (spherical->projection == AV_SPHERICAL_EQUIRECTANGULAR_TILE)
56 av_log(ctx, AV_LOG_INFO, "tiled equirectangular ");
58 av_log(ctx, AV_LOG_WARNING, "unknown");
62 yaw = ((double)spherical->yaw) / (1 << 16);
63 pitch = ((double)spherical->pitch) / (1 << 16);
64 roll = ((double)spherical->roll) / (1 << 16);
65 av_log(ctx, AV_LOG_INFO, "(%f/%f/%f) ", yaw, pitch, roll);
67 if (spherical->projection == AV_SPHERICAL_EQUIRECTANGULAR_TILE) {
69 av_spherical_tile_bounds(spherical, frame->width, frame->height,
71 av_log(ctx, AV_LOG_INFO,
72 "[%"SIZE_SPECIFIER", %"SIZE_SPECIFIER", %"SIZE_SPECIFIER", %"SIZE_SPECIFIER"] ",
74 } else if (spherical->projection == AV_SPHERICAL_CUBEMAP) {
75 av_log(ctx, AV_LOG_INFO, "[pad %"PRIu32"] ", spherical->padding);
79 static void dump_stereo3d(AVFilterContext *ctx, AVFrameSideData *sd)
83 av_log(ctx, AV_LOG_INFO, "stereoscopic information: ");
84 if (sd->size < sizeof(*stereo)) {
85 av_log(ctx, AV_LOG_INFO, "invalid data");
89 stereo = (AVStereo3D *)sd->data;
91 av_log(ctx, AV_LOG_INFO, "type - %s", av_stereo3d_type_name(stereo->type));
93 if (stereo->flags & AV_STEREO3D_FLAG_INVERT)
94 av_log(ctx, AV_LOG_INFO, " (inverted)");
97 static void update_sample_stats(const uint8_t *src, int len, int64_t *sum, int64_t *sum2)
101 for (i = 0; i < len; i++) {
103 *sum2 += src[i] * src[i];
107 static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
109 AVFilterContext *ctx = inlink->dst;
110 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
111 uint32_t plane_checksum[4] = {0}, checksum = 0;
112 int64_t sum[4] = {0}, sum2[4] = {0};
113 int32_t pixelcount[4] = {0};
114 int i, plane, vsub = desc->log2_chroma_h;
116 for (plane = 0; plane < 4 && frame->data[plane] && frame->linesize[plane]; plane++) {
117 uint8_t *data = frame->data[plane];
118 int h = plane == 1 || plane == 2 ? AV_CEIL_RSHIFT(inlink->h, vsub) : inlink->h;
119 int linesize = av_image_get_linesize(frame->format, frame->width, plane);
124 for (i = 0; i < h; i++) {
125 plane_checksum[plane] = av_adler32_update(plane_checksum[plane], data, linesize);
126 checksum = av_adler32_update(checksum, data, linesize);
128 update_sample_stats(data, linesize, sum+plane, sum2+plane);
129 pixelcount[plane] += linesize;
130 data += frame->linesize[plane];
134 av_log(ctx, AV_LOG_INFO,
135 "n:%4"PRId64" pts:%7s pts_time:%-7s pos:%9"PRId64" "
136 "fmt:%s sar:%d/%d s:%dx%d i:%c iskey:%d type:%c "
137 "checksum:%08"PRIX32" plane_checksum:[%08"PRIX32,
138 inlink->frame_count_out,
139 av_ts2str(frame->pts), av_ts2timestr(frame->pts, &inlink->time_base), frame->pkt_pos,
141 frame->sample_aspect_ratio.num, frame->sample_aspect_ratio.den,
142 frame->width, frame->height,
143 !frame->interlaced_frame ? 'P' : /* Progressive */
144 frame->top_field_first ? 'T' : 'B', /* Top / Bottom */
146 av_get_picture_type_char(frame->pict_type),
147 checksum, plane_checksum[0]);
149 for (plane = 1; plane < 4 && frame->data[plane] && frame->linesize[plane]; plane++)
150 av_log(ctx, AV_LOG_INFO, " %08"PRIX32, plane_checksum[plane]);
151 av_log(ctx, AV_LOG_INFO, "] mean:[");
152 for (plane = 0; plane < 4 && frame->data[plane] && frame->linesize[plane]; plane++)
153 av_log(ctx, AV_LOG_INFO, "%"PRId64" ", (sum[plane] + pixelcount[plane]/2) / pixelcount[plane]);
154 av_log(ctx, AV_LOG_INFO, "\b] stdev:[");
155 for (plane = 0; plane < 4 && frame->data[plane] && frame->linesize[plane]; plane++)
156 av_log(ctx, AV_LOG_INFO, "%3.1f ",
157 sqrt((sum2[plane] - sum[plane]*(double)sum[plane]/pixelcount[plane])/pixelcount[plane]));
158 av_log(ctx, AV_LOG_INFO, "\b]\n");
160 for (i = 0; i < frame->nb_side_data; i++) {
161 AVFrameSideData *sd = frame->side_data[i];
163 av_log(ctx, AV_LOG_INFO, " side data - ");
165 case AV_FRAME_DATA_PANSCAN:
166 av_log(ctx, AV_LOG_INFO, "pan/scan");
168 case AV_FRAME_DATA_A53_CC:
169 av_log(ctx, AV_LOG_INFO, "A/53 closed captions (%d bytes)", sd->size);
171 case AV_FRAME_DATA_SPHERICAL:
172 dump_spherical(ctx, frame, sd);
174 case AV_FRAME_DATA_STEREO3D:
175 dump_stereo3d(ctx, sd);
177 case AV_FRAME_DATA_DISPLAYMATRIX:
178 av_log(ctx, AV_LOG_INFO, "displaymatrix: rotation of %.2f degrees",
179 av_display_rotation_get((int32_t *)sd->data));
181 case AV_FRAME_DATA_AFD:
182 av_log(ctx, AV_LOG_INFO, "afd: value of %"PRIu8, sd->data[0]);
185 av_log(ctx, AV_LOG_WARNING, "unknown side data type %d (%d bytes)",
190 av_log(ctx, AV_LOG_INFO, "\n");
193 return ff_filter_frame(inlink->dst->outputs[0], frame);
196 static int config_props(AVFilterContext *ctx, AVFilterLink *link, int is_out)
199 av_log(ctx, AV_LOG_INFO, "config %s time_base: %d/%d, frame_rate: %d/%d\n",
200 is_out ? "out" : "in",
201 link->time_base.num, link->time_base.den,
202 link->frame_rate.num, link->frame_rate.den);
207 static int config_props_in(AVFilterLink *link)
209 AVFilterContext *ctx = link->dst;
210 return config_props(ctx, link, 0);
213 static int config_props_out(AVFilterLink *link)
215 AVFilterContext *ctx = link->src;
216 return config_props(ctx, link, 1);
219 static const AVFilterPad avfilter_vf_showinfo_inputs[] = {
222 .type = AVMEDIA_TYPE_VIDEO,
223 .filter_frame = filter_frame,
224 .config_props = config_props_in,
229 static const AVFilterPad avfilter_vf_showinfo_outputs[] = {
232 .type = AVMEDIA_TYPE_VIDEO,
233 .config_props = config_props_out,
238 AVFilter ff_vf_showinfo = {
240 .description = NULL_IF_CONFIG_SMALL("Show textual information for each video frame."),
241 .inputs = avfilter_vf_showinfo_inputs,
242 .outputs = avfilter_vf_showinfo_outputs,