blob: 83d941c629a217a62322dcf7f08e8e99b1d31c5c
1 | /* |
2 | * Copyright (c) 2011 Stefano Sabatini |
3 | * This file is part of FFmpeg. |
4 | * |
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. |
9 | * |
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. |
14 | * |
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 |
18 | */ |
19 | |
20 | /** |
21 | * @file |
22 | * filter for showing textual video frame information |
23 | */ |
24 | |
25 | #include <inttypes.h> |
26 | |
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/stereo3d.h" |
33 | #include "libavutil/timestamp.h" |
34 | |
35 | #include "avfilter.h" |
36 | #include "internal.h" |
37 | #include "video.h" |
38 | |
39 | static void dump_stereo3d(AVFilterContext *ctx, AVFrameSideData *sd) |
40 | { |
41 | AVStereo3D *stereo; |
42 | |
43 | av_log(ctx, AV_LOG_INFO, "stereoscopic information: "); |
44 | if (sd->size < sizeof(*stereo)) { |
45 | av_log(ctx, AV_LOG_INFO, "invalid data"); |
46 | return; |
47 | } |
48 | |
49 | stereo = (AVStereo3D *)sd->data; |
50 | |
51 | av_log(ctx, AV_LOG_INFO, "type - "); |
52 | switch (stereo->type) { |
53 | case AV_STEREO3D_2D: av_log(ctx, AV_LOG_INFO, "2D"); break; |
54 | case AV_STEREO3D_SIDEBYSIDE: av_log(ctx, AV_LOG_INFO, "side by side"); break; |
55 | case AV_STEREO3D_TOPBOTTOM: av_log(ctx, AV_LOG_INFO, "top and bottom"); break; |
56 | case AV_STEREO3D_FRAMESEQUENCE: av_log(ctx, AV_LOG_INFO, "frame alternate"); break; |
57 | case AV_STEREO3D_CHECKERBOARD: av_log(ctx, AV_LOG_INFO, "checkerboard"); break; |
58 | case AV_STEREO3D_LINES: av_log(ctx, AV_LOG_INFO, "interleaved lines"); break; |
59 | case AV_STEREO3D_COLUMNS: av_log(ctx, AV_LOG_INFO, "interleaved columns"); break; |
60 | case AV_STEREO3D_SIDEBYSIDE_QUINCUNX: av_log(ctx, AV_LOG_INFO, "side by side " |
61 | "(quincunx subsampling)"); break; |
62 | default: av_log(ctx, AV_LOG_WARNING, "unknown"); break; |
63 | } |
64 | |
65 | if (stereo->flags & AV_STEREO3D_FLAG_INVERT) |
66 | av_log(ctx, AV_LOG_INFO, " (inverted)"); |
67 | } |
68 | |
69 | static void update_sample_stats(const uint8_t *src, int len, int64_t *sum, int64_t *sum2) |
70 | { |
71 | int i; |
72 | |
73 | for (i = 0; i < len; i++) { |
74 | *sum += src[i]; |
75 | *sum2 += src[i] * src[i]; |
76 | } |
77 | } |
78 | |
79 | static int filter_frame(AVFilterLink *inlink, AVFrame *frame) |
80 | { |
81 | AVFilterContext *ctx = inlink->dst; |
82 | const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format); |
83 | uint32_t plane_checksum[4] = {0}, checksum = 0; |
84 | int64_t sum[4] = {0}, sum2[4] = {0}; |
85 | int32_t pixelcount[4] = {0}; |
86 | int i, plane, vsub = desc->log2_chroma_h; |
87 | |
88 | for (plane = 0; plane < 4 && frame->data[plane] && frame->linesize[plane]; plane++) { |
89 | uint8_t *data = frame->data[plane]; |
90 | int h = plane == 1 || plane == 2 ? AV_CEIL_RSHIFT(inlink->h, vsub) : inlink->h; |
91 | int linesize = av_image_get_linesize(frame->format, frame->width, plane); |
92 | |
93 | if (linesize < 0) |
94 | return linesize; |
95 | |
96 | for (i = 0; i < h; i++) { |
97 | plane_checksum[plane] = av_adler32_update(plane_checksum[plane], data, linesize); |
98 | checksum = av_adler32_update(checksum, data, linesize); |
99 | |
100 | update_sample_stats(data, linesize, sum+plane, sum2+plane); |
101 | pixelcount[plane] += linesize; |
102 | data += frame->linesize[plane]; |
103 | } |
104 | } |
105 | |
106 | av_log(ctx, AV_LOG_INFO, |
107 | "n:%4"PRId64" pts:%7s pts_time:%-7s pos:%9"PRId64" " |
108 | "fmt:%s sar:%d/%d s:%dx%d i:%c iskey:%d type:%c " |
109 | "checksum:%08"PRIX32" plane_checksum:[%08"PRIX32, |
110 | inlink->frame_count_out, |
111 | av_ts2str(frame->pts), av_ts2timestr(frame->pts, &inlink->time_base), av_frame_get_pkt_pos(frame), |
112 | desc->name, |
113 | frame->sample_aspect_ratio.num, frame->sample_aspect_ratio.den, |
114 | frame->width, frame->height, |
115 | !frame->interlaced_frame ? 'P' : /* Progressive */ |
116 | frame->top_field_first ? 'T' : 'B', /* Top / Bottom */ |
117 | frame->key_frame, |
118 | av_get_picture_type_char(frame->pict_type), |
119 | checksum, plane_checksum[0]); |
120 | |
121 | for (plane = 1; plane < 4 && frame->data[plane] && frame->linesize[plane]; plane++) |
122 | av_log(ctx, AV_LOG_INFO, " %08"PRIX32, plane_checksum[plane]); |
123 | av_log(ctx, AV_LOG_INFO, "] mean:["); |
124 | for (plane = 0; plane < 4 && frame->data[plane] && frame->linesize[plane]; plane++) |
125 | av_log(ctx, AV_LOG_INFO, "%"PRId64" ", (sum[plane] + pixelcount[plane]/2) / pixelcount[plane]); |
126 | av_log(ctx, AV_LOG_INFO, "\b] stdev:["); |
127 | for (plane = 0; plane < 4 && frame->data[plane] && frame->linesize[plane]; plane++) |
128 | av_log(ctx, AV_LOG_INFO, "%3.1f ", |
129 | sqrt((sum2[plane] - sum[plane]*(double)sum[plane]/pixelcount[plane])/pixelcount[plane])); |
130 | av_log(ctx, AV_LOG_INFO, "\b]\n"); |
131 | |
132 | for (i = 0; i < frame->nb_side_data; i++) { |
133 | AVFrameSideData *sd = frame->side_data[i]; |
134 | |
135 | av_log(ctx, AV_LOG_INFO, " side data - "); |
136 | switch (sd->type) { |
137 | case AV_FRAME_DATA_PANSCAN: |
138 | av_log(ctx, AV_LOG_INFO, "pan/scan"); |
139 | break; |
140 | case AV_FRAME_DATA_A53_CC: |
141 | av_log(ctx, AV_LOG_INFO, "A/53 closed captions (%d bytes)", sd->size); |
142 | break; |
143 | case AV_FRAME_DATA_STEREO3D: |
144 | dump_stereo3d(ctx, sd); |
145 | break; |
146 | case AV_FRAME_DATA_DISPLAYMATRIX: |
147 | av_log(ctx, AV_LOG_INFO, "displaymatrix: rotation of %.2f degrees", |
148 | av_display_rotation_get((int32_t *)sd->data)); |
149 | break; |
150 | case AV_FRAME_DATA_AFD: |
151 | av_log(ctx, AV_LOG_INFO, "afd: value of %"PRIu8, sd->data[0]); |
152 | break; |
153 | default: |
154 | av_log(ctx, AV_LOG_WARNING, "unknown side data type %d (%d bytes)", |
155 | sd->type, sd->size); |
156 | break; |
157 | } |
158 | |
159 | av_log(ctx, AV_LOG_INFO, "\n"); |
160 | } |
161 | |
162 | return ff_filter_frame(inlink->dst->outputs[0], frame); |
163 | } |
164 | |
165 | static int config_props(AVFilterContext *ctx, AVFilterLink *link, int is_out) |
166 | { |
167 | |
168 | av_log(ctx, AV_LOG_INFO, "config %s time_base: %d/%d, frame_rate: %d/%d\n", |
169 | is_out ? "out" : "in", |
170 | link->time_base.num, link->time_base.den, |
171 | link->frame_rate.num, link->frame_rate.den); |
172 | |
173 | return 0; |
174 | } |
175 | |
176 | static int config_props_in(AVFilterLink *link) |
177 | { |
178 | AVFilterContext *ctx = link->dst; |
179 | return config_props(ctx, link, 0); |
180 | } |
181 | |
182 | static int config_props_out(AVFilterLink *link) |
183 | { |
184 | AVFilterContext *ctx = link->src; |
185 | return config_props(ctx, link, 1); |
186 | } |
187 | |
188 | static const AVFilterPad avfilter_vf_showinfo_inputs[] = { |
189 | { |
190 | .name = "default", |
191 | .type = AVMEDIA_TYPE_VIDEO, |
192 | .filter_frame = filter_frame, |
193 | .config_props = config_props_in, |
194 | }, |
195 | { NULL } |
196 | }; |
197 | |
198 | static const AVFilterPad avfilter_vf_showinfo_outputs[] = { |
199 | { |
200 | .name = "default", |
201 | .type = AVMEDIA_TYPE_VIDEO, |
202 | .config_props = config_props_out, |
203 | }, |
204 | { NULL } |
205 | }; |
206 | |
207 | AVFilter ff_vf_showinfo = { |
208 | .name = "showinfo", |
209 | .description = NULL_IF_CONFIG_SMALL("Show textual information for each video frame."), |
210 | .inputs = avfilter_vf_showinfo_inputs, |
211 | .outputs = avfilter_vf_showinfo_outputs, |
212 | }; |
213 |