af_ashowinfo: print a more descriptive name for AV_MATRIX_ENCODING_DOLBY
[libav.git] / libavfilter / af_ashowinfo.c
1 /*
2 * Copyright (c) 2011 Stefano Sabatini
3 *
4 * This file is part of Libav.
5 *
6 * Libav is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * Libav is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with Libav; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21 /**
22 * @file
23 * filter for showing textual audio frame information
24 */
25
26 #include <inttypes.h>
27 #include <stddef.h>
28
29 #include "libavutil/adler32.h"
30 #include "libavutil/attributes.h"
31 #include "libavutil/channel_layout.h"
32 #include "libavutil/common.h"
33 #include "libavutil/downmix_info.h"
34 #include "libavutil/intreadwrite.h"
35 #include "libavutil/mem.h"
36 #include "libavutil/replaygain.h"
37 #include "libavutil/samplefmt.h"
38
39 #include "audio.h"
40 #include "avfilter.h"
41 #include "internal.h"
42
43 typedef struct AShowInfoContext {
44 /**
45 * Scratch space for individual plane checksums for planar audio
46 */
47 uint32_t *plane_checksums;
48
49 /**
50 * Frame counter
51 */
52 uint64_t frame;
53 } AShowInfoContext;
54
55 static int config_input(AVFilterLink *inlink)
56 {
57 AShowInfoContext *s = inlink->dst->priv;
58 int channels = av_get_channel_layout_nb_channels(inlink->channel_layout);
59 s->plane_checksums = av_malloc(channels * sizeof(*s->plane_checksums));
60 if (!s->plane_checksums)
61 return AVERROR(ENOMEM);
62
63 return 0;
64 }
65
66 static av_cold void uninit(AVFilterContext *ctx)
67 {
68 AShowInfoContext *s = ctx->priv;
69 av_freep(&s->plane_checksums);
70 }
71
72 static void dump_matrixenc(AVFilterContext *ctx, AVFrameSideData *sd)
73 {
74 enum AVMatrixEncoding enc;
75
76 av_log(ctx, AV_LOG_INFO, "matrix encoding: ");
77
78 if (sd->size < sizeof(enum AVMatrixEncoding)) {
79 av_log(ctx, AV_LOG_INFO, "invalid data");
80 return;
81 }
82
83 enc = *(enum AVMatrixEncoding *)sd->data;
84 switch (enc) {
85 case AV_MATRIX_ENCODING_NONE: av_log(ctx, AV_LOG_INFO, "none"); break;
86 case AV_MATRIX_ENCODING_DOLBY: av_log(ctx, AV_LOG_INFO, "Dolby Surround"); break;
87 case AV_MATRIX_ENCODING_DPLII: av_log(ctx, AV_LOG_INFO, "Dolby Pro Logic II"); break;
88 case AV_MATRIX_ENCODING_DPLIIX: av_log(ctx, AV_LOG_INFO, "Dolby Pro Logic IIx"); break;
89 case AV_MATRIX_ENCODING_DPLIIZ: av_log(ctx, AV_LOG_INFO, "Dolby Pro Logic IIz"); break;
90 case AV_MATRIX_ENCODING_DOLBYEX: av_log(ctx, AV_LOG_INFO, "Dolby EX"); break;
91 case AV_MATRIX_ENCODING_DOLBYHEADPHONE: av_log(ctx, AV_LOG_INFO, "Dolby Headphone"); break;
92 default: av_log(ctx, AV_LOG_WARNING, "unknown"); break;
93 }
94 }
95
96 static void dump_downmix(AVFilterContext *ctx, AVFrameSideData *sd)
97 {
98 AVDownmixInfo *di;
99
100 av_log(ctx, AV_LOG_INFO, "downmix: ");
101 if (sd->size < sizeof(*di)) {
102 av_log(ctx, AV_LOG_INFO, "invalid data");
103 return;
104 }
105
106 di = (AVDownmixInfo *)sd->data;
107
108 av_log(ctx, AV_LOG_INFO, "preferred downmix type - ");
109 switch (di->preferred_downmix_type) {
110 case AV_DOWNMIX_TYPE_LORO: av_log(ctx, AV_LOG_INFO, "Lo/Ro"); break;
111 case AV_DOWNMIX_TYPE_LTRT: av_log(ctx, AV_LOG_INFO, "Lt/Rt"); break;
112 case AV_DOWNMIX_TYPE_DPLII: av_log(ctx, AV_LOG_INFO, "Dolby Pro Logic II"); break;
113 default: av_log(ctx, AV_LOG_WARNING, "unknown"); break;
114 }
115
116 av_log(ctx, AV_LOG_INFO, " Mix levels: center %f (%f ltrt) - "
117 "surround %f (%f ltrt) - lfe %f",
118 di->center_mix_level, di->center_mix_level_ltrt,
119 di->surround_mix_level, di->surround_mix_level_ltrt,
120 di->lfe_mix_level);
121 }
122
123 static void print_gain(AVFilterContext *ctx, const char *str, int32_t gain)
124 {
125 av_log(ctx, AV_LOG_INFO, "%s - ", str);
126 if (gain == INT32_MIN)
127 av_log(ctx, AV_LOG_INFO, "unknown");
128 else
129 av_log(ctx, AV_LOG_INFO, "%f", gain / 100000.0f);
130 av_log(ctx, AV_LOG_INFO, ", ");
131 }
132
133 static void print_peak(AVFilterContext *ctx, const char *str, uint32_t peak)
134 {
135 av_log(ctx, AV_LOG_INFO, "%s - ", str);
136 if (!peak)
137 av_log(ctx, AV_LOG_INFO, "unknown");
138 else
139 av_log(ctx, AV_LOG_INFO, "%f", (float)peak / UINT32_MAX);
140 av_log(ctx, AV_LOG_INFO, ", ");
141 }
142
143 static void dump_replaygain(AVFilterContext *ctx, AVFrameSideData *sd)
144 {
145 AVReplayGain *rg;
146
147 av_log(ctx, AV_LOG_INFO, "replaygain: ");
148 if (sd->size < sizeof(*rg)) {
149 av_log(ctx, AV_LOG_INFO, "invalid data");
150 return;
151 }
152 rg = (AVReplayGain*)sd->data;
153
154 print_gain(ctx, "track gain", rg->track_gain);
155 print_peak(ctx, "track peak", rg->track_peak);
156 print_gain(ctx, "album gain", rg->album_gain);
157 print_peak(ctx, "album peak", rg->album_peak);
158 }
159
160 static void dump_unknown(AVFilterContext *ctx, AVFrameSideData *sd)
161 {
162 av_log(ctx, AV_LOG_INFO, "unknown side data type: %d, size %d bytes", sd->type, sd->size);
163 }
164
165 static int filter_frame(AVFilterLink *inlink, AVFrame *buf)
166 {
167 AVFilterContext *ctx = inlink->dst;
168 AShowInfoContext *s = ctx->priv;
169 char chlayout_str[128];
170 uint32_t checksum = 0;
171 int channels = av_get_channel_layout_nb_channels(buf->channel_layout);
172 int planar = av_sample_fmt_is_planar(buf->format);
173 int block_align = av_get_bytes_per_sample(buf->format) * (planar ? 1 : channels);
174 int data_size = buf->nb_samples * block_align;
175 int planes = planar ? channels : 1;
176 int i;
177
178 for (i = 0; i < planes; i++) {
179 uint8_t *data = buf->extended_data[i];
180
181 s->plane_checksums[i] = av_adler32_update(0, data, data_size);
182 checksum = i ? av_adler32_update(checksum, data, data_size) :
183 s->plane_checksums[0];
184 }
185
186 av_get_channel_layout_string(chlayout_str, sizeof(chlayout_str), -1,
187 buf->channel_layout);
188
189 av_log(ctx, AV_LOG_INFO,
190 "n:%"PRIu64" pts:%"PRId64" pts_time:%f "
191 "fmt:%s chlayout:%s rate:%d nb_samples:%d "
192 "checksum:%08"PRIX32" ",
193 s->frame, buf->pts, buf->pts * av_q2d(inlink->time_base),
194 av_get_sample_fmt_name(buf->format), chlayout_str,
195 buf->sample_rate, buf->nb_samples,
196 checksum);
197
198 av_log(ctx, AV_LOG_INFO, "plane_checksums: [ ");
199 for (i = 0; i < planes; i++)
200 av_log(ctx, AV_LOG_INFO, "%08"PRIX32" ", s->plane_checksums[i]);
201 av_log(ctx, AV_LOG_INFO, "]\n");
202
203 for (i = 0; i < buf->nb_side_data; i++) {
204 AVFrameSideData *sd = buf->side_data[i];
205
206 av_log(ctx, AV_LOG_INFO, " side data - ");
207 switch (sd->type) {
208 case AV_FRAME_DATA_MATRIXENCODING: dump_matrixenc (ctx, sd); break;
209 case AV_FRAME_DATA_DOWNMIX_INFO: dump_downmix (ctx, sd); break;
210 case AV_FRAME_DATA_REPLAYGAIN: dump_replaygain(ctx, sd); break;
211 default: dump_unknown (ctx, sd); break;
212 }
213
214 av_log(ctx, AV_LOG_INFO, "\n");
215 }
216
217 s->frame++;
218 return ff_filter_frame(inlink->dst->outputs[0], buf);
219 }
220
221 static const AVFilterPad inputs[] = {
222 {
223 .name = "default",
224 .type = AVMEDIA_TYPE_AUDIO,
225 .get_audio_buffer = ff_null_get_audio_buffer,
226 .config_props = config_input,
227 .filter_frame = filter_frame,
228 },
229 { NULL },
230 };
231
232 static const AVFilterPad outputs[] = {
233 {
234 .name = "default",
235 .type = AVMEDIA_TYPE_AUDIO,
236 },
237 { NULL },
238 };
239
240 AVFilter ff_af_ashowinfo = {
241 .name = "ashowinfo",
242 .description = NULL_IF_CONFIG_SMALL("Show textual information for each audio frame."),
243 .priv_size = sizeof(AShowInfoContext),
244 .uninit = uninit,
245 .inputs = inputs,
246 .outputs = outputs,
247 };