vf_showinfo: show timebase & framerate too
[libav.git] / libavfilter / vf_showinfo.c
CommitLineData
ee42716b
SS
1/*
2 * Copyright (c) 2011 Stefano Sabatini
3 * This file is part of Libav.
4 *
5 * Libav 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.
9 *
10 * Libav 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.
14 *
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with Libav; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18 */
19
20/**
21 * @file
22 * filter for showing textual video frame information
23 */
24
7513234b
DB
25#include <inttypes.h>
26
ee42716b 27#include "libavutil/adler32.h"
5a69ded1 28#include "libavutil/display.h"
ee42716b 29#include "libavutil/imgutils.h"
1d9c2dc8 30#include "libavutil/internal.h"
ee42716b 31#include "libavutil/pixdesc.h"
b4679ecd
AK
32#include "libavutil/stereo3d.h"
33
ee42716b 34#include "avfilter.h"
9d0bfc50 35#include "internal.h"
c04c533f 36#include "video.h"
ee42716b 37
58400ac1 38typedef struct ShowInfoContext {
ee42716b
SS
39 unsigned int frame;
40} ShowInfoContext;
41
b4679ecd
AK
42static void dump_stereo3d(AVFilterContext *ctx, AVFrameSideData *sd)
43{
44 AVStereo3D *stereo;
45
46 av_log(ctx, AV_LOG_INFO, "stereoscopic information: ");
47 if (sd->size < sizeof(*stereo)) {
48 av_log(ctx, AV_LOG_INFO, "invalid data");
49 return;
50 }
51
52 stereo = (AVStereo3D *)sd->data;
53
54 av_log(ctx, AV_LOG_INFO, "type - ");
55 switch (stereo->type) {
56 case AV_STEREO3D_2D: av_log(ctx, AV_LOG_INFO, "2D"); break;
57 case AV_STEREO3D_SIDEBYSIDE: av_log(ctx, AV_LOG_INFO, "side by side"); break;
58 case AV_STEREO3D_TOPBOTTOM: av_log(ctx, AV_LOG_INFO, "top and bottom"); break;
59 case AV_STEREO3D_FRAMESEQUENCE: av_log(ctx, AV_LOG_INFO, "frame alternate"); break;
60 case AV_STEREO3D_CHECKERBOARD: av_log(ctx, AV_LOG_INFO, "checkerboard"); break;
61 case AV_STEREO3D_LINES: av_log(ctx, AV_LOG_INFO, "interleaved lines"); break;
62 case AV_STEREO3D_COLUMNS: av_log(ctx, AV_LOG_INFO, "interleaved columns"); break;
63 case AV_STEREO3D_SIDEBYSIDE_QUINCUNX: av_log(ctx, AV_LOG_INFO, "side by side "
64 "(quincunx subsampling)"); break;
65 default: av_log(ctx, AV_LOG_WARNING, "unknown"); break;
66 }
67
68 if (stereo->flags & AV_STEREO3D_FLAG_INVERT)
69 av_log(ctx, AV_LOG_INFO, " (inverted)");
70}
71
7e350379 72static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
ee42716b
SS
73{
74 AVFilterContext *ctx = inlink->dst;
75 ShowInfoContext *showinfo = ctx->priv;
59ee9f78 76 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
ee42716b 77 uint32_t plane_checksum[4] = {0}, checksum = 0;
59ee9f78 78 int i, plane, vsub = desc->log2_chroma_h;
ee42716b 79
565e4993 80 for (plane = 0; frame->data[plane] && plane < 4; plane++) {
565e4993 81 uint8_t *data = frame->data[plane];
ee42716b 82 int h = plane == 1 || plane == 2 ? inlink->h >> vsub : inlink->h;
6d96c7ea
VG
83 int linesize = av_image_get_linesize(frame->format, frame->width, plane);
84 if (linesize < 0)
85 return linesize;
ee42716b
SS
86
87 for (i = 0; i < h; i++) {
88 plane_checksum[plane] = av_adler32_update(plane_checksum[plane], data, linesize);
89 checksum = av_adler32_update(checksum, data, linesize);
565e4993 90 data += frame->linesize[plane];
ee42716b
SS
91 }
92 }
93
94 av_log(ctx, AV_LOG_INFO,
7e350379 95 "n:%d pts:%"PRId64" pts_time:%f "
ee42716b 96 "fmt:%s sar:%d/%d s:%dx%d i:%c iskey:%d type:%c "
7513234b 97 "checksum:%"PRIu32" plane_checksum:[%"PRIu32" %"PRIu32" %"PRIu32" %"PRIu32"]\n",
ee42716b 98 showinfo->frame,
7e350379 99 frame->pts, frame->pts * av_q2d(inlink->time_base),
59ee9f78 100 desc->name,
7e350379
AK
101 frame->sample_aspect_ratio.num, frame->sample_aspect_ratio.den,
102 frame->width, frame->height,
103 !frame->interlaced_frame ? 'P' : /* Progressive */
104 frame->top_field_first ? 'T' : 'B', /* Top / Bottom */
105 frame->key_frame,
106 av_get_picture_type_char(frame->pict_type),
ee42716b
SS
107 checksum, plane_checksum[0], plane_checksum[1], plane_checksum[2], plane_checksum[3]);
108
b4679ecd
AK
109 for (i = 0; i < frame->nb_side_data; i++) {
110 AVFrameSideData *sd = frame->side_data[i];
111
112 av_log(ctx, AV_LOG_INFO, " side data - ");
113 switch (sd->type) {
114 case AV_FRAME_DATA_PANSCAN:
115 av_log(ctx, AV_LOG_INFO, "pan/scan");
116 break;
117 case AV_FRAME_DATA_A53_CC:
118 av_log(ctx, AV_LOG_INFO, "A/53 closed captions (%d bytes)", sd->size);
119 break;
120 case AV_FRAME_DATA_STEREO3D:
121 dump_stereo3d(ctx, sd);
122 break;
5a69ded1
VG
123 case AV_FRAME_DATA_DISPLAYMATRIX:
124 av_log(ctx, AV_LOG_INFO, "displaymatrix: rotation of %.2f degrees",
125 av_display_rotation_get((int32_t *)sd->data));
126 break;
1ef9e837
KK
127 case AV_FRAME_DATA_AFD:
128 av_log(ctx, AV_LOG_INFO, "afd: value of %"PRIu8, sd->data[0]);
129 break;
b4679ecd
AK
130 default:
131 av_log(ctx, AV_LOG_WARNING, "unknown side data type %d (%d bytes)",
132 sd->type, sd->size);
133 break;
134 }
135
136 av_log(ctx, AV_LOG_INFO, "\n");
137 }
138
ee42716b 139 showinfo->frame++;
565e4993 140 return ff_filter_frame(inlink->dst->outputs[0], frame);
ee42716b
SS
141}
142
1339009c
MN
143static int config_props(AVFilterContext *ctx, AVFilterLink *link, int is_out)
144{
145
146 av_log(ctx, AV_LOG_INFO, "config %s time_base: %d/%d, frame_rate: %d/%d\n",
147 is_out ? "out" : "in",
148 link->time_base.num, link->time_base.den,
149 link->frame_rate.num, link->frame_rate.den);
150
151 return 0;
152}
153
154static int config_props_in(AVFilterLink *link)
155{
156 AVFilterContext *ctx = link->dst;
157 return config_props(ctx, link, 0);
158}
159
160static int config_props_out(AVFilterLink *link)
161{
162 AVFilterContext *ctx = link->src;
163 return config_props(ctx, link, 1);
164}
165
568c70e7
MR
166static const AVFilterPad avfilter_vf_showinfo_inputs[] = {
167 {
168 .name = "default",
169 .type = AVMEDIA_TYPE_VIDEO,
170 .get_video_buffer = ff_null_get_video_buffer,
565e4993 171 .filter_frame = filter_frame,
1339009c 172 .config_props = config_props_in,
568c70e7
MR
173 },
174 { NULL }
175};
176
177static const AVFilterPad avfilter_vf_showinfo_outputs[] = {
178 {
179 .name = "default",
1339009c
MN
180 .type = AVMEDIA_TYPE_VIDEO,
181 .config_props = config_props_out,
568c70e7
MR
182 },
183 { NULL }
184};
185
cd43ca04 186AVFilter ff_vf_showinfo = {
ee42716b
SS
187 .name = "showinfo",
188 .description = NULL_IF_CONFIG_SMALL("Show textual information for each video frame."),
189
190 .priv_size = sizeof(ShowInfoContext),
ee42716b 191
568c70e7 192 .inputs = avfilter_vf_showinfo_inputs,
ee42716b 193
568c70e7 194 .outputs = avfilter_vf_showinfo_outputs,
ee42716b 195};