FFmpeg: libavformat/dump.c Source File

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libavformat

dump.c

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1 /*

2 * Various pretty-printing functions for use within FFmpeg

4 *

5 * This file is part of FFmpeg.

6 *

7 * FFmpeg is free software; you can redistribute it and/or

8 * modify it under the terms of the GNU Lesser General Public

9 * License as published by the Free Software Foundation; either

10 * version 2.1 of the License, or (at your option) any later version.

11 *

12 * FFmpeg is distributed in the hope that it will be useful,

13 * but WITHOUT ANY WARRANTY; without even the implied warranty of

14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

15 * Lesser General Public License for more details.

16 *

17 * You should have received a copy of the GNU Lesser General Public

18 * License along with FFmpeg; if not, write to the Free Software

19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

20 */

22 #include <stdio.h>

23 #include <stdint.h>

25 #include "libavutil/channel_layout.h"

26 #include "libavutil/display.h"

27 #include "libavutil/intreadwrite.h"

28 #include "libavutil/log.h"

29 #include "libavutil/mathematics.h"

30 #include "libavutil/avstring.h"

31 #include "libavutil/replaygain.h"

33 #include "avformat.h"

35 #define HEXDUMP_PRINT(...) \

36 do { \

37 if (!f) \

38 av_log(avcl, level, __VA_ARGS__); \

39 else \

40 fprintf(f, __VA_ARGS__); \

41 } while (0)

43 static void hex_dump_internal(void *avcl, FILE *f, int level,

44 const uint8_t *buf, int size)

45 {

46 int len, i, j, c;

48 for (i = 0; i < size; i += 16) {

49 len = size - i;

50 if (len > 16)

51 len = 16;

52 HEXDUMP_PRINT("%08x ", i);

53 for (j = 0; j < 16; j++) {

54 if (j < len)

55 HEXDUMP_PRINT(" %02x", buf[i + j]);

56 else

57 HEXDUMP_PRINT(" ");

58 }

59 HEXDUMP_PRINT(" ");

60 for (j = 0; j < len; j++) {

61 c = buf[i + j];

62 if (c < ' ' || c > '~')

63 c = '.';

64 HEXDUMP_PRINT("%c", c);

65 }

66 HEXDUMP_PRINT("\n");

67 }

68 }

70 void av_hex_dump(FILE *f, const uint8_t *buf, int size)

71 {

72 hex_dump_internal(NULL, f, 0, buf, size);

73 }

75 void av_hex_dump_log(void *avcl, int level, const uint8_t *buf, int size)

76 {

77 hex_dump_internal(avcl, NULL, level, buf, size);

78 }

80 static void pkt_dump_internal(void *avcl, FILE *f, int level, const AVPacket *pkt,

81 int dump_payload, AVRational time_base)

82 {

83 HEXDUMP_PRINT("stream #%d:\n", pkt->stream_index);

84 HEXDUMP_PRINT(" keyframe=%d\n", (pkt->flags & AV_PKT_FLAG_KEY) != 0);

85 HEXDUMP_PRINT(" duration=%0.3f\n", pkt->duration * av_q2d(time_base));

86 /* DTS is _always_ valid after av_read_frame() */

87 HEXDUMP_PRINT(" dts=");

88 if (pkt->dts == AV_NOPTS_VALUE)

89 HEXDUMP_PRINT("N/A");

90 else

91 HEXDUMP_PRINT("%0.3f", pkt->dts * av_q2d(time_base));

92 /* PTS may not be known if B-frames are present. */

93 HEXDUMP_PRINT(" pts=");

94 if (pkt->pts == AV_NOPTS_VALUE)

95 HEXDUMP_PRINT("N/A");

96 else

97 HEXDUMP_PRINT("%0.3f", pkt->pts * av_q2d(time_base));

98 HEXDUMP_PRINT("\n");

99 HEXDUMP_PRINT(" size=%d\n", pkt->size);

100 if (dump_payload)

101 av_hex_dump(f, pkt->data, pkt->size);

102 }

103

104 void av_pkt_dump2(FILE *f, const AVPacket *pkt, int dump_payload, const AVStream *st)

105 {

106 pkt_dump_internal(NULL, f, 0, pkt, dump_payload, st->time_base);

107 }

108

109 void av_pkt_dump_log2(void *avcl, int level, const AVPacket *pkt, int dump_payload,

110 const AVStream *st)

111 {

112 pkt_dump_internal(avcl, NULL, level, pkt, dump_payload, st->time_base);

113 }

114

115

116 static void print_fps(double d, const char *postfix)

117 {

118 uint64_t v = lrintf(d * 100);

119 if (v % 100)

120 av_log(NULL, AV_LOG_INFO, ", %3.2f %s", d, postfix);

121 else if (v % (100 * 1000))

122 av_log(NULL, AV_LOG_INFO, ", %1.0f %s", d, postfix);

123 else

124 av_log(NULL, AV_LOG_INFO, ", %1.0fk %s", d / 1000, postfix);

125 }

126

127 static void dump_metadata(void *ctx, AVDictionary *m, const char *indent)

128 {

129 if (m && !(av_dict_count(m) == 1 && av_dict_get(m, "language", NULL, 0))) {

130 AVDictionaryEntry *tag = NULL;

131

132 av_log(ctx, AV_LOG_INFO, "%sMetadata:\n", indent);

133 while ((tag = av_dict_get(m, "", tag, AV_DICT_IGNORE_SUFFIX)))

134 if (strcmp("language", tag->key)) {

135 const char *p = tag->value;

136 av_log(ctx, AV_LOG_INFO,

137 "%s %-16s: ", indent, tag->key);

138 while (*p) {

139 char tmp[256];

140 size_t len = strcspn(p, "\x8\xa\xb\xc\xd");

141 av_strlcpy(tmp, p, FFMIN(sizeof(tmp), len+1));

142 av_log(ctx, AV_LOG_INFO, "%s", tmp);

143 p += len;

144 if (*p == 0xd) av_log(ctx, AV_LOG_INFO, " ");

145 if (*p == 0xa) av_log(ctx, AV_LOG_INFO, "\n%s %-16s: ", indent, "");

146 if (*p) p++;

147 }

148 av_log(ctx, AV_LOG_INFO, "\n");

149 }

150 }

151 }

152

153 /* param change side data*/

154 static void dump_paramchange(void *ctx, AVPacketSideData *sd)

155 {

156 int size = sd->size;

157 const uint8_t *data = sd->data;

158 uint32_t flags, channels, sample_rate, width, height;

159 uint64_t layout;

160

161 if (!data || sd->size < 4)

162 goto fail;

163

164 flags = AV_RL32(data);

165 data += 4;

166 size -= 4;

167

168 if (flags & AV_SIDE_DATA_PARAM_CHANGE_CHANNEL_COUNT) {

169 if (size < 4)

170 goto fail;

171 channels = AV_RL32(data);

172 data += 4;

173 size -= 4;

174 av_log(ctx, AV_LOG_INFO, "channel count %d, ", channels);

175 }

176 if (flags & AV_SIDE_DATA_PARAM_CHANGE_CHANNEL_LAYOUT) {

177 if (size < 8)

178 goto fail;

179 layout = AV_RL64(data);

180 data += 8;

181 size -= 8;

182 av_log(ctx, AV_LOG_INFO,

183 "channel layout: %s, ", av_get_channel_name(layout));

184 }

185 if (flags & AV_SIDE_DATA_PARAM_CHANGE_SAMPLE_RATE) {

186 if (size < 4)

187 goto fail;

188 sample_rate = AV_RL32(data);

189 data += 4;

190 size -= 4;

191 av_log(ctx, AV_LOG_INFO, "sample_rate %d, ", sample_rate);

192 }

193 if (flags & AV_SIDE_DATA_PARAM_CHANGE_DIMENSIONS) {

194 if (size < 8)

195 goto fail;

196 width = AV_RL32(data);

197 data += 4;

198 size -= 4;

199 height = AV_RL32(data);

200 data += 4;

201 size -= 4;

202 av_log(ctx, AV_LOG_INFO, "width %d height %d", width, height);

203 }

204

205 return;

206 fail:

207 av_log(ctx, AV_LOG_INFO, "unknown param");

208 }

209

210 /* replaygain side data*/

211 static void print_gain(void *ctx, const char *str, int32_t gain)

212 {

213 av_log(ctx, AV_LOG_INFO, "%s - ", str);

214 if (gain == INT32_MIN)

215 av_log(ctx, AV_LOG_INFO, "unknown");

216 else

217 av_log(ctx, AV_LOG_INFO, "%f", gain / 100000.0f);

218 av_log(ctx, AV_LOG_INFO, ", ");

219 }

220

221 static void print_peak(void *ctx, const char *str, uint32_t peak)

222 {

223 av_log(ctx, AV_LOG_INFO, "%s - ", str);

224 if (!peak)

225 av_log(ctx, AV_LOG_INFO, "unknown");

226 else

227 av_log(ctx, AV_LOG_INFO, "%f", (float) peak / UINT32_MAX);

228 av_log(ctx, AV_LOG_INFO, ", ");

229 }

230

231 static void dump_replaygain(void *ctx, AVPacketSideData *sd)

232 {

233 AVReplayGain *rg;

234

235 if (sd->size < sizeof(*rg)) {

236 av_log(ctx, AV_LOG_INFO, "invalid data");

237 return;

238 }

239 rg = (AVReplayGain*)sd->data;

240

241 print_gain(ctx, "track gain", rg->track_gain);

242 print_peak(ctx, "track peak", rg->track_peak);

243 print_gain(ctx, "album gain", rg->album_gain);

244 print_peak(ctx, "album peak", rg->album_peak);

245 }

246

247 static void dump_sidedata(void *ctx, AVStream *st, const char *indent)

248 {

249 int i;

250

251 if (st->nb_side_data)

252 av_log(ctx, AV_LOG_INFO, "%sSide data:\n", indent);

253

254 for (i = 0; i < st->nb_side_data; i++) {

255 AVPacketSideData sd = st->side_data[i];

256 av_log(ctx, AV_LOG_INFO, "%s ", indent);

257

258 switch (sd.type) {

259 case AV_PKT_DATA_PALETTE:

260 av_log(ctx, AV_LOG_INFO, "palette");

261 break;

262 case AV_PKT_DATA_NEW_EXTRADATA:

263 av_log(ctx, AV_LOG_INFO, "new extradata");

264 break;

265 case AV_PKT_DATA_PARAM_CHANGE:

266 av_log(ctx, AV_LOG_INFO, "paramchange: ");

267 dump_paramchange(ctx, &sd);

268 break;

269 case AV_PKT_DATA_H263_MB_INFO:

270 av_log(ctx, AV_LOG_INFO, "h263 macroblock info");

271 break;

272 case AV_PKT_DATA_REPLAYGAIN:

273 av_log(ctx, AV_LOG_INFO, "replaygain: ");

274 dump_replaygain(ctx, &sd);

275 break;

276 case AV_PKT_DATA_DISPLAYMATRIX:

277 av_log(ctx, AV_LOG_INFO, "displaymatrix: rotation of %.2f degrees",

278 av_display_rotation_get((int32_t *)sd.data));

279 break;

280 default:

281 av_log(ctx, AV_LOG_WARNING,

282 "unknown side data type %d (%d bytes)", sd.type, sd.size);

283 break;

284 }

285

286 av_log(ctx, AV_LOG_INFO, "\n");

287 }

288 }

289

290 /* "user interface" functions */

291 static void dump_stream_format(AVFormatContext *ic, int i,

292 int index, int is_output)

293 {

294 char buf[256];

295 int flags = (is_output ? ic->oformat->flags : ic->iformat->flags);

296 AVStream *st = ic->streams[i];

297 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL, 0);

298

299 avcodec_string(buf, sizeof(buf), st->codec, is_output);

300 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d", index, i);

301

302 /* the pid is an important information, so we display it */

303 /* XXX: add a generic system */

304 if (flags & AVFMT_SHOW_IDS)

305 av_log(NULL, AV_LOG_INFO, "[0x%x]", st->id);

306 if (lang)

307 av_log(NULL, AV_LOG_INFO, "(%s)", lang->value);

308 av_log(NULL, AV_LOG_DEBUG, ", %d, %d/%d", st->codec_info_nb_frames,

309 st->time_base.num, st->time_base.den);

310 av_log(NULL, AV_LOG_INFO, ": %s", buf);

311

312 if (st->sample_aspect_ratio.num && // default

313 av_cmp_q(st->sample_aspect_ratio, st->codec->sample_aspect_ratio)) {

314 AVRational display_aspect_ratio;

315 av_reduce(&display_aspect_ratio.num, &display_aspect_ratio.den,

316 st->codec->width * st->sample_aspect_ratio.num,

317 st->codec->height * st->sample_aspect_ratio.den,

318 1024 * 1024);

319 av_log(NULL, AV_LOG_INFO, ", SAR %d:%d DAR %d:%d",

320 st->sample_aspect_ratio.num, st->sample_aspect_ratio.den,

321 display_aspect_ratio.num, display_aspect_ratio.den);

322 }

323

324 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {

325 if (st->avg_frame_rate.den && st->avg_frame_rate.num)

326 print_fps(av_q2d(st->avg_frame_rate), "fps");

327 #if FF_API_R_FRAME_RATE

328 if (st->r_frame_rate.den && st->r_frame_rate.num)

329 print_fps(av_q2d(st->r_frame_rate), "tbr");

330 #endif

331 if (st->time_base.den && st->time_base.num)

332 print_fps(1 / av_q2d(st->time_base), "tbn");

333 if (st->codec->time_base.den && st->codec->time_base.num)

334 print_fps(1 / av_q2d(st->codec->time_base), "tbc");

335 }

336

337 if (st->disposition & AV_DISPOSITION_DEFAULT)

338 av_log(NULL, AV_LOG_INFO, " (default)");

339 if (st->disposition & AV_DISPOSITION_DUB)

340 av_log(NULL, AV_LOG_INFO, " (dub)");

341 if (st->disposition & AV_DISPOSITION_ORIGINAL)

342 av_log(NULL, AV_LOG_INFO, " (original)");

343 if (st->disposition & AV_DISPOSITION_COMMENT)

344 av_log(NULL, AV_LOG_INFO, " (comment)");

345 if (st->disposition & AV_DISPOSITION_LYRICS)

346 av_log(NULL, AV_LOG_INFO, " (lyrics)");

347 if (st->disposition & AV_DISPOSITION_KARAOKE)

348 av_log(NULL, AV_LOG_INFO, " (karaoke)");

349 if (st->disposition & AV_DISPOSITION_FORCED)

350 av_log(NULL, AV_LOG_INFO, " (forced)");

351 if (st->disposition & AV_DISPOSITION_HEARING_IMPAIRED)

352 av_log(NULL, AV_LOG_INFO, " (hearing impaired)");

353 if (st->disposition & AV_DISPOSITION_VISUAL_IMPAIRED)

354 av_log(NULL, AV_LOG_INFO, " (visual impaired)");

355 if (st->disposition & AV_DISPOSITION_CLEAN_EFFECTS)

356 av_log(NULL, AV_LOG_INFO, " (clean effects)");

357 av_log(NULL, AV_LOG_INFO, "\n");

358

359 dump_metadata(NULL, st->metadata, " ");

360

361 dump_sidedata(NULL, st, " ");

362 }

363

364 void av_dump_format(AVFormatContext *ic, int index,

365 const char *url, int is_output)

366 {

367 int i;

368 uint8_t *printed = ic->nb_streams ? av_mallocz(ic->nb_streams) : NULL;

369 if (ic->nb_streams && !printed)

370 return;

371

372 av_log(NULL, AV_LOG_INFO, "%s #%d, %s, %s '%s':\n",

373 is_output ? "Output" : "Input",

374 index,

375 is_output ? ic->oformat->name : ic->iformat->name,

376 is_output ? "to" : "from", url);

377 dump_metadata(NULL, ic->metadata, " ");

378

379 if (!is_output) {

380 av_log(NULL, AV_LOG_INFO, " Duration: ");

381 if (ic->duration != AV_NOPTS_VALUE) {

382 int hours, mins, secs, us;

383 int64_t duration = ic->duration + 5000;

384 secs = duration / AV_TIME_BASE;

385 us = duration % AV_TIME_BASE;

386 mins = secs / 60;

387 secs %= 60;

388 hours = mins / 60;

389 mins %= 60;

390 av_log(NULL, AV_LOG_INFO, "%02d:%02d:%02d.%02d", hours, mins, secs,

391 (100 * us) / AV_TIME_BASE);

392 } else {

393 av_log(NULL, AV_LOG_INFO, "N/A");

394 }

395 if (ic->start_time != AV_NOPTS_VALUE) {

396 int secs, us;

397 av_log(NULL, AV_LOG_INFO, ", start: ");

398 secs = ic->start_time / AV_TIME_BASE;

399 us = abs(ic->start_time % AV_TIME_BASE);

400 av_log(NULL, AV_LOG_INFO, "%d.%06d",

401 secs, (int) av_rescale(us, 1000000, AV_TIME_BASE));

402 }

403 av_log(NULL, AV_LOG_INFO, ", bitrate: ");

404 if (ic->bit_rate)

405 av_log(NULL, AV_LOG_INFO, "%d kb/s", ic->bit_rate / 1000);

406 else

407 av_log(NULL, AV_LOG_INFO, "N/A");

408 av_log(NULL, AV_LOG_INFO, "\n");

409 }

410

411 for (i = 0; i < ic->nb_chapters; i++) {

412 AVChapter *ch = ic->chapters[i];

413 av_log(NULL, AV_LOG_INFO, " Chapter #%d.%d: ", index, i);

414 av_log(NULL, AV_LOG_INFO,

415 "start %f, ", ch->start * av_q2d(ch->time_base));

416 av_log(NULL, AV_LOG_INFO,

417 "end %f\n", ch->end * av_q2d(ch->time_base));

418

419 dump_metadata(NULL, ch->metadata, " ");

420 }

421

422 if (ic->nb_programs) {

423 int j, k, total = 0;

424 for (j = 0; j < ic->nb_programs; j++) {

425 AVDictionaryEntry *name = av_dict_get(ic->programs[j]->metadata,

426 "name", NULL, 0);

427 av_log(NULL, AV_LOG_INFO, " Program %d %s\n", ic->programs[j]->id,

428 name ? name->value : "");

429 dump_metadata(NULL, ic->programs[j]->metadata, " ");

430 for (k = 0; k < ic->programs[j]->nb_stream_indexes; k++) {

431 dump_stream_format(ic, ic->programs[j]->stream_index[k],

432 index, is_output);

433 printed[ic->programs[j]->stream_index[k]] = 1;

434 }

435 total += ic->programs[j]->nb_stream_indexes;

436 }

437 if (total < ic->nb_streams)

438 av_log(NULL, AV_LOG_INFO, " No Program\n");

439 }

440

441 for (i = 0; i < ic->nb_streams; i++)

442 if (!printed[i])

443 dump_stream_format(ic, i, index, is_output);

444

445 av_free(printed);

446 }

Generated on Sun Jul 20 2014 23:06:03 for FFmpeg by doxygen 1.8.2