| 1 | /* |
| 2 | * Copyright (C) 2013 nu774 |
| 3 | * For conditions of distribution and use, see copyright notice in COPYING |
| 4 | */ |
| 5 | #if HAVE_CONFIG_H |
| 6 | # include "config.h" |
| 7 | #endif |
| 8 | #if HAVE_STDINT_H |
| 9 | # include <stdint.h> |
| 10 | #endif |
| 11 | #if HAVE_INTTYPES_H |
| 12 | # include <inttypes.h> |
| 13 | #elif defined(_MSC_VER) |
| 14 | # define SCNd64 "I64d" |
| 15 | #endif |
| 16 | #include <stdio.h> |
| 17 | #include <stdlib.h> |
| 18 | #include <string.h> |
| 19 | #include <ctype.h> |
| 20 | #include <locale.h> |
| 21 | #include <errno.h> |
| 22 | #include <sys/stat.h> |
| 23 | #include <getopt.h> |
| 24 | #if HAVE_UNISTD_H |
| 25 | #include <unistd.h> |
| 26 | #endif |
| 27 | #ifdef _WIN32 |
| 28 | #include <io.h> |
| 29 | #endif |
| 30 | #include "compat.h" |
| 31 | #include "wav_reader.h" |
| 32 | #include "aacenc.h" |
| 33 | #include "m4af.h" |
| 34 | #include "progress.h" |
| 35 | #include "version.h" |
| 36 | |
| 37 | #define PROGNAME "fdkaac" |
| 38 | |
| 39 | static |
| 40 | int read_callback(void *cookie, void *data, uint32_t size) |
| 41 | { |
| 42 | size_t rc = fread(data, 1, size, (FILE*)cookie); |
| 43 | return ferror((FILE*)cookie) ? -1 : (int)rc; |
| 44 | } |
| 45 | |
| 46 | static |
| 47 | int write_callback(void *cookie, const void *data, uint32_t size) |
| 48 | { |
| 49 | size_t rc = fwrite(data, 1, size, (FILE*)cookie); |
| 50 | return ferror((FILE*)cookie) ? -1 : (int)rc; |
| 51 | } |
| 52 | |
| 53 | static |
| 54 | int seek_callback(void *cookie, int64_t off, int whence) |
| 55 | { |
| 56 | return fseeko((FILE*)cookie, off, whence); |
| 57 | } |
| 58 | |
| 59 | static |
| 60 | int64_t tell_callback(void *cookie) |
| 61 | { |
| 62 | return ftello((FILE*)cookie); |
| 63 | } |
| 64 | |
| 65 | static |
| 66 | void usage(void) |
| 67 | { |
| 68 | printf( |
| 69 | PROGNAME " %s\n" |
| 70 | "Usage: " PROGNAME " [options] input_file\n" |
| 71 | "Options:\n" |
| 72 | " -h, --help Print this help message\n" |
| 73 | " -p, --profile <n> Profile (audio object type)\n" |
| 74 | " 2: MPEG-4 AAC LC (default)\n" |
| 75 | " 5: MPEG-4 HE-AAC (SBR)\n" |
| 76 | " 29: MPEG-4 HE-AAC v2 (SBR+PS)\n" |
| 77 | " 23: MPEG-4 AAC LD\n" |
| 78 | " 39: MPEG-4 AAC ELD\n" |
| 79 | " 129: MPEG-2 AAC LC\n" |
| 80 | " 132: MPEG-2 HE-AAC (SBR)\n" |
| 81 | " 156: MPEG-2 HE-AAC v2 (SBR+PS)\n" |
| 82 | " -b, --bitrate <n> Bitrate in bits per seconds (for CBR)\n" |
| 83 | " -m, --bitrate-mode <n> Bitrate configuration\n" |
| 84 | " 0: CBR (default)\n" |
| 85 | " 1-5: VBR\n" |
| 86 | " (VBR mode is not officially supported, and\n" |
| 87 | " works only on a certain combination of\n" |
| 88 | " parameter settings, sample rate, and\n" |
| 89 | " channel configuration)\n" |
| 90 | " -w, --bandwidth <n> Frequency bandwidth in Hz (AAC LC only)\n" |
| 91 | " -a, --afterburner <n> Afterburner\n" |
| 92 | " 0: Off\n" |
| 93 | " 1: On(default)\n" |
| 94 | " -L, --lowdelay-sbr Enable ELD-SBR (AAC ELD only)\n" |
| 95 | " -s, --sbr-signaling <n> SBR signaling mode\n" |
| 96 | " 0: Implicit, backward compatible(default)\n" |
| 97 | " 1: Explicit SBR and implicit PS\n" |
| 98 | " 2: Explicit hierarchical signaling\n" |
| 99 | " -f, --transport-format <n> Transport format\n" |
| 100 | " 0: RAW (default, muxed into M4A)\n" |
| 101 | " 1: ADIF\n" |
| 102 | " 2: ADTS\n" |
| 103 | " 6: LATM MCP=1\n" |
| 104 | " 7: LATM MCP=0\n" |
| 105 | " 10: LOAS/LATM (LATM within LOAS)\n" |
| 106 | " -C, --adts-crc-check Add CRC protection on ADTS header\n" |
| 107 | " -h, --header-period <n> StreamMuxConfig/PCE repetition period in\n" |
| 108 | " transport layer\n" |
| 109 | "\n" |
| 110 | " -o <filename> Output filename\n" |
| 111 | " --ignorelength Ignore length of WAV header\n" |
| 112 | " -S, --silent Don't print progress messages\n" |
| 113 | "\n" |
| 114 | "Options for raw (headerless) input:\n" |
| 115 | " -R, --raw Treat input as raw (by default WAV is\n" |
| 116 | " assumed)\n" |
| 117 | " --raw-channels <n> Number of channels (default: 2)\n" |
| 118 | " --raw-rate <n> Sample rate (default: 44100)\n" |
| 119 | " --raw-format <spec> Sample format, default is \"S16L\".\n" |
| 120 | " Spec is as follows:\n" |
| 121 | " 1st char: S(igned)|U(nsigned)|F(loat)\n" |
| 122 | " 2nd part: bits per channel\n" |
| 123 | " Last char: L(ittle)|B(ig)\n" |
| 124 | " Last char can be omitted, in which case L is\n" |
| 125 | " assumed. Spec is case insensitive, therefore\n" |
| 126 | " \"u16b\" is same as \"U16B\".\n" |
| 127 | "\n" |
| 128 | "Tagging options:\n" |
| 129 | " --title <string>\n" |
| 130 | " --artist <string>\n" |
| 131 | " --album <string>\n" |
| 132 | " --genre <string>\n" |
| 133 | " --date <string>\n" |
| 134 | " --composer <string>\n" |
| 135 | " --grouping <string>\n" |
| 136 | " --comment <string>\n" |
| 137 | " --album-artist <string>\n" |
| 138 | " --track <number[/total]>\n" |
| 139 | " --disk <number[/total]>\n" |
| 140 | " --tempo <n>\n" |
| 141 | " --tag <fcc>:<value> Set iTunes predefined tag with four char code.\n" |
| 142 | " --tag-from-file <fcc>:<filename>\n" |
| 143 | " Same as above, but value is read from file.\n" |
| 144 | " --long-tag <name>:<value> Set arbitrary tag as iTunes custom metadata.\n" |
| 145 | , fdkaac_version); |
| 146 | } |
| 147 | |
| 148 | typedef struct aacenc_tag_entry_t { |
| 149 | uint32_t tag; |
| 150 | const char *name; |
| 151 | const char *data; |
| 152 | uint32_t data_size; |
| 153 | int is_file_name; |
| 154 | } aacenc_tag_entry_t; |
| 155 | |
| 156 | typedef struct aacenc_param_ex_t { |
| 157 | AACENC_PARAMS |
| 158 | |
| 159 | char *input_filename; |
| 160 | char *output_filename; |
| 161 | unsigned ignore_length; |
| 162 | int silent; |
| 163 | |
| 164 | int is_raw; |
| 165 | unsigned raw_channels; |
| 166 | unsigned raw_rate; |
| 167 | const char *raw_format; |
| 168 | |
| 169 | aacenc_tag_entry_t *tag_table; |
| 170 | unsigned tag_count; |
| 171 | unsigned tag_table_capacity; |
| 172 | } aacenc_param_ex_t; |
| 173 | |
| 174 | static |
| 175 | void param_add_itmf_entry(aacenc_param_ex_t *params, uint32_t tag, |
| 176 | const char *key, const char *value, uint32_t size, |
| 177 | int is_file_name) |
| 178 | { |
| 179 | aacenc_tag_entry_t *entry; |
| 180 | if (params->tag_count == params->tag_table_capacity) { |
| 181 | unsigned newsize = params->tag_table_capacity; |
| 182 | newsize = newsize ? newsize * 2 : 1; |
| 183 | params->tag_table = |
| 184 | realloc(params->tag_table, newsize * sizeof(aacenc_tag_entry_t)); |
| 185 | params->tag_table_capacity = newsize; |
| 186 | } |
| 187 | entry = params->tag_table + params->tag_count; |
| 188 | entry->tag = tag; |
| 189 | if (tag == M4AF_FOURCC('-','-','-','-')) |
| 190 | entry->name = key; |
| 191 | entry->data = value; |
| 192 | entry->data_size = size; |
| 193 | entry->is_file_name = is_file_name; |
| 194 | params->tag_count++; |
| 195 | } |
| 196 | |
| 197 | static |
| 198 | int parse_options(int argc, char **argv, aacenc_param_ex_t *params) |
| 199 | { |
| 200 | int ch; |
| 201 | unsigned n; |
| 202 | |
| 203 | #define OPT_RAW_CHANNELS M4AF_FOURCC('r','c','h','n') |
| 204 | #define OPT_RAW_RATE M4AF_FOURCC('r','r','a','t') |
| 205 | #define OPT_RAW_FORMAT M4AF_FOURCC('r','f','m','t') |
| 206 | #define OPT_SHORT_TAG M4AF_FOURCC('s','t','a','g') |
| 207 | #define OPT_SHORT_TAG_FILE M4AF_FOURCC('s','t','g','f') |
| 208 | #define OPT_LONG_TAG M4AF_FOURCC('l','t','a','g') |
| 209 | |
| 210 | static struct option long_options[] = { |
| 211 | { "help", no_argument, 0, 'h' }, |
| 212 | { "profile", required_argument, 0, 'p' }, |
| 213 | { "bitrate", required_argument, 0, 'b' }, |
| 214 | { "bitrate-mode", required_argument, 0, 'm' }, |
| 215 | { "bandwidth", required_argument, 0, 'w' }, |
| 216 | { "afterburner", required_argument, 0, 'a' }, |
| 217 | { "lowdelay-sbr", no_argument, 0, 'L' }, |
| 218 | { "sbr-signaling", required_argument, 0, 's' }, |
| 219 | { "transport-format", required_argument, 0, 'f' }, |
| 220 | { "adts-crc-check", no_argument, 0, 'C' }, |
| 221 | { "header-period", required_argument, 0, 'P' }, |
| 222 | |
| 223 | { "ignorelength", no_argument, 0, 'I' }, |
| 224 | { "silent", no_argument, 0, 'S' }, |
| 225 | |
| 226 | { "raw", no_argument, 0, 'R' }, |
| 227 | { "raw-channels", required_argument, 0, OPT_RAW_CHANNELS }, |
| 228 | { "raw-rate", required_argument, 0, OPT_RAW_RATE }, |
| 229 | { "raw-format", required_argument, 0, OPT_RAW_FORMAT }, |
| 230 | |
| 231 | { "title", required_argument, 0, M4AF_TAG_TITLE }, |
| 232 | { "artist", required_argument, 0, M4AF_TAG_ARTIST }, |
| 233 | { "album", required_argument, 0, M4AF_TAG_ALBUM }, |
| 234 | { "genre", required_argument, 0, M4AF_TAG_GENRE }, |
| 235 | { "date", required_argument, 0, M4AF_TAG_DATE }, |
| 236 | { "composer", required_argument, 0, M4AF_TAG_COMPOSER }, |
| 237 | { "grouping", required_argument, 0, M4AF_TAG_GROUPING }, |
| 238 | { "comment", required_argument, 0, M4AF_TAG_COMMENT }, |
| 239 | { "album-artist", required_argument, 0, M4AF_TAG_ALBUM_ARTIST }, |
| 240 | { "track", required_argument, 0, M4AF_TAG_TRACK }, |
| 241 | { "disk", required_argument, 0, M4AF_TAG_DISK }, |
| 242 | { "tempo", required_argument, 0, M4AF_TAG_TEMPO }, |
| 243 | { "tag", required_argument, 0, OPT_SHORT_TAG }, |
| 244 | { "tag-from-file", required_argument, 0, OPT_SHORT_TAG_FILE }, |
| 245 | { "long-tag", required_argument, 0, OPT_LONG_TAG }, |
| 246 | { 0, 0, 0, 0 }, |
| 247 | }; |
| 248 | params->afterburner = 1; |
| 249 | |
| 250 | aacenc_getmainargs(&argc, &argv); |
| 251 | while ((ch = getopt_long(argc, argv, "hp:b:m:w:a:Ls:f:CP:Io:SR", |
| 252 | long_options, 0)) != EOF) { |
| 253 | switch (ch) { |
| 254 | case 'h': |
| 255 | return usage(), -1; |
| 256 | case 'p': |
| 257 | if (sscanf(optarg, "%u", &n) != 1) { |
| 258 | fprintf(stderr, "invalid arg for profile\n"); |
| 259 | return -1; |
| 260 | } |
| 261 | params->profile = n; |
| 262 | break; |
| 263 | case 'b': |
| 264 | if (sscanf(optarg, "%u", &n) != 1) { |
| 265 | fprintf(stderr, "invalid arg for bitrate\n"); |
| 266 | return -1; |
| 267 | } |
| 268 | params->bitrate = n; |
| 269 | break; |
| 270 | case 'm': |
| 271 | if (sscanf(optarg, "%u", &n) != 1 || n > 5) { |
| 272 | fprintf(stderr, "invalid arg for bitrate-mode\n"); |
| 273 | return -1; |
| 274 | } |
| 275 | params->bitrate_mode = n; |
| 276 | break; |
| 277 | case 'w': |
| 278 | if (sscanf(optarg, "%u", &n) != 1) { |
| 279 | fprintf(stderr, "invalid arg for bandwidth\n"); |
| 280 | return -1; |
| 281 | } |
| 282 | params->bandwidth = n; |
| 283 | break; |
| 284 | case 'a': |
| 285 | if (sscanf(optarg, "%u", &n) != 1 || n > 1) { |
| 286 | fprintf(stderr, "invalid arg for afterburner\n"); |
| 287 | return -1; |
| 288 | } |
| 289 | params->afterburner = n; |
| 290 | break; |
| 291 | case 'L': |
| 292 | params->lowdelay_sbr = 1; |
| 293 | break; |
| 294 | case 's': |
| 295 | if (sscanf(optarg, "%u", &n) != 1 || n > 2) { |
| 296 | fprintf(stderr, "invalid arg for sbr-signaling\n"); |
| 297 | return -1; |
| 298 | } |
| 299 | params->sbr_signaling = n; |
| 300 | break; |
| 301 | case 'f': |
| 302 | if (sscanf(optarg, "%u", &n) != 1) { |
| 303 | fprintf(stderr, "invalid arg for transport-format\n"); |
| 304 | return -1; |
| 305 | } |
| 306 | params->transport_format = n; |
| 307 | break; |
| 308 | case 'c': |
| 309 | params->adts_crc_check = 1; |
| 310 | break; |
| 311 | case 'P': |
| 312 | if (sscanf(optarg, "%u", &n) != 1) { |
| 313 | fprintf(stderr, "invalid arg for header-period\n"); |
| 314 | return -1; |
| 315 | } |
| 316 | params->header_period = n; |
| 317 | break; |
| 318 | case 'o': |
| 319 | params->output_filename = optarg; |
| 320 | break; |
| 321 | case 'I': |
| 322 | params->ignore_length = 1; |
| 323 | break; |
| 324 | case 'S': |
| 325 | params->silent = 1; |
| 326 | break; |
| 327 | case 'R': |
| 328 | params->is_raw = 1; |
| 329 | break; |
| 330 | case OPT_RAW_CHANNELS: |
| 331 | if (sscanf(optarg, "%u", &n) != 1) { |
| 332 | fprintf(stderr, "invalid arg for raw-channels\n"); |
| 333 | return -1; |
| 334 | } |
| 335 | params->raw_channels = n; |
| 336 | break; |
| 337 | case OPT_RAW_RATE: |
| 338 | if (sscanf(optarg, "%u", &n) != 1) { |
| 339 | fprintf(stderr, "invalid arg for raw-rate\n"); |
| 340 | return -1; |
| 341 | } |
| 342 | params->raw_rate = n; |
| 343 | break; |
| 344 | case OPT_RAW_FORMAT: |
| 345 | params->raw_format = optarg; |
| 346 | break; |
| 347 | case M4AF_TAG_TITLE: |
| 348 | case M4AF_TAG_ARTIST: |
| 349 | case M4AF_TAG_ALBUM: |
| 350 | case M4AF_TAG_GENRE: |
| 351 | case M4AF_TAG_DATE: |
| 352 | case M4AF_TAG_COMPOSER: |
| 353 | case M4AF_TAG_GROUPING: |
| 354 | case M4AF_TAG_COMMENT: |
| 355 | case M4AF_TAG_ALBUM_ARTIST: |
| 356 | case M4AF_TAG_TRACK: |
| 357 | case M4AF_TAG_DISK: |
| 358 | case M4AF_TAG_TEMPO: |
| 359 | param_add_itmf_entry(params, ch, 0, optarg, strlen(optarg), 0); |
| 360 | break; |
| 361 | case OPT_SHORT_TAG: |
| 362 | case OPT_SHORT_TAG_FILE: |
| 363 | case OPT_LONG_TAG: |
| 364 | { |
| 365 | char *val; |
| 366 | size_t klen; |
| 367 | unsigned fcc = M4AF_FOURCC('-','-','-','-'); |
| 368 | |
| 369 | if ((val = strchr(optarg, ':')) == 0) { |
| 370 | fprintf(stderr, "invalid arg for tag\n"); |
| 371 | return -1; |
| 372 | } |
| 373 | *val++ = '\0'; |
| 374 | if (ch == OPT_SHORT_TAG || ch == OPT_SHORT_TAG_FILE) { |
| 375 | /* |
| 376 | * take care of U+00A9(COPYRIGHT SIGN). |
| 377 | * 1) if length of fcc is 3, we prepend '\xa9'. |
| 378 | * 2) U+00A9 becomes "\xc2\xa9" in UTF-8. Therefore |
| 379 | * we remove first '\xc2'. |
| 380 | */ |
| 381 | if (optarg[0] == '\xc2') |
| 382 | ++optarg; |
| 383 | if ((klen = strlen(optarg))== 3) |
| 384 | fcc = 0xa9; |
| 385 | else if (klen != 4) { |
| 386 | fprintf(stderr, "invalid arg for tag\n"); |
| 387 | return -1; |
| 388 | } |
| 389 | for (; *optarg; ++optarg) |
| 390 | fcc = ((fcc << 8) | (*optarg & 0xff)); |
| 391 | } |
| 392 | param_add_itmf_entry(params, fcc, optarg, val, strlen(val), |
| 393 | ch == OPT_SHORT_TAG_FILE); |
| 394 | } |
| 395 | break; |
| 396 | default: |
| 397 | return usage(), -1; |
| 398 | } |
| 399 | } |
| 400 | if (argc == optind) |
| 401 | return usage(), -1; |
| 402 | |
| 403 | if (!params->bitrate && !params->bitrate_mode) { |
| 404 | fprintf(stderr, "bitrate or bitrate-mode is mandatory\n"); |
| 405 | return -1; |
| 406 | } |
| 407 | if (params->output_filename && !strcmp(params->output_filename, "-") && |
| 408 | !params->transport_format) { |
| 409 | fprintf(stderr, "stdout streaming is not available on M4A output\n"); |
| 410 | return -1; |
| 411 | } |
| 412 | if (params->bitrate && params->bitrate < 10000) |
| 413 | params->bitrate *= 1000; |
| 414 | |
| 415 | if (params->is_raw) { |
| 416 | if (!params->raw_channels) |
| 417 | params->raw_channels = 2; |
| 418 | if (!params->raw_rate) |
| 419 | params->raw_rate = 44100; |
| 420 | if (!params->raw_format) |
| 421 | params->raw_format = "S16L"; |
| 422 | } |
| 423 | params->input_filename = argv[optind]; |
| 424 | return 0; |
| 425 | }; |
| 426 | |
| 427 | static |
| 428 | int write_sample(FILE *ofp, m4af_writer_t *m4af, |
| 429 | const void *data, uint32_t size, uint32_t duration) |
| 430 | { |
| 431 | if (!m4af) { |
| 432 | fwrite(data, 1, size, ofp); |
| 433 | if (ferror(ofp)) { |
| 434 | fprintf(stderr, "ERROR: fwrite(): %s\n", strerror(errno)); |
| 435 | return -1; |
| 436 | } |
| 437 | } else if (m4af_write_sample(m4af, 0, data, size, duration) < 0) { |
| 438 | fprintf(stderr, "ERROR: failed to write m4a sample\n"); |
| 439 | return -1; |
| 440 | } |
| 441 | return 0; |
| 442 | } |
| 443 | |
| 444 | static |
| 445 | int encode(wav_reader_t *wavf, HANDLE_AACENCODER encoder, |
| 446 | uint32_t frame_length, FILE *ofp, m4af_writer_t *m4af, |
| 447 | int show_progress) |
| 448 | { |
| 449 | uint8_t *ibuf = 0; |
| 450 | int16_t *pcmbuf = 0; |
| 451 | uint32_t pcmsize = 0; |
| 452 | uint8_t *obuf = 0; |
| 453 | uint32_t olen; |
| 454 | uint32_t osize = 0; |
| 455 | int nread = 1; |
| 456 | int consumed; |
| 457 | int rc = -1; |
| 458 | int frames_written = 0; |
| 459 | aacenc_progress_t progress = { 0 }; |
| 460 | const pcm_sample_description_t *format = wav_get_format(wavf); |
| 461 | |
| 462 | ibuf = malloc(frame_length * format->bytes_per_frame); |
| 463 | aacenc_progress_init(&progress, wav_get_length(wavf), format->sample_rate); |
| 464 | do { |
| 465 | if (nread) { |
| 466 | if ((nread = wav_read_frames(wavf, ibuf, frame_length)) < 0) { |
| 467 | fprintf(stderr, "ERROR: read failed\n"); |
| 468 | goto END; |
| 469 | } else if (nread > 0) { |
| 470 | if (pcm_convert_to_native_sint16(format, ibuf, nread, |
| 471 | &pcmbuf, &pcmsize) < 0) { |
| 472 | fprintf(stderr, "ERROR: unsupported sample format\n"); |
| 473 | goto END; |
| 474 | } |
| 475 | } |
| 476 | if (show_progress) |
| 477 | aacenc_progress_update(&progress, wav_get_position(wavf), |
| 478 | format->sample_rate * 2); |
| 479 | } |
| 480 | if ((consumed = aac_encode_frame(encoder, format, pcmbuf, nread, |
| 481 | &obuf, &olen, &osize)) < 0) |
| 482 | goto END; |
| 483 | if (olen > 0) { |
| 484 | if (write_sample(ofp, m4af, obuf, olen, frame_length) < 0) |
| 485 | goto END; |
| 486 | ++frames_written; |
| 487 | } |
| 488 | } while (nread > 0 || olen > 0); |
| 489 | |
| 490 | if (show_progress) |
| 491 | aacenc_progress_finish(&progress, wav_get_position(wavf)); |
| 492 | rc = frames_written; |
| 493 | END: |
| 494 | if (ibuf) free(ibuf); |
| 495 | if (pcmbuf) free(pcmbuf); |
| 496 | if (obuf) free(obuf); |
| 497 | return rc; |
| 498 | } |
| 499 | |
| 500 | static |
| 501 | char *load_tag_from_file(const char *path, uint32_t *data_size) |
| 502 | { |
| 503 | FILE *fp = 0; |
| 504 | char *data = 0; |
| 505 | int64_t size; |
| 506 | |
| 507 | if ((fp = aacenc_fopen(path, "rb")) == NULL) { |
| 508 | aacenc_fprintf(stderr, "WARNING: %s: %s\n", path, strerror(errno)); |
| 509 | goto END; |
| 510 | } |
| 511 | fseeko(fp, 0, SEEK_END); |
| 512 | size = ftello(fp); |
| 513 | if (size > 5*1024*1024) { |
| 514 | aacenc_fprintf(stderr, "WARNING: %s: size too large\n", path); |
| 515 | goto END; |
| 516 | } |
| 517 | fseeko(fp, 0, SEEK_SET); |
| 518 | data = malloc(size + 1); |
| 519 | if (data) fread(data, 1, size, fp); |
| 520 | data[size] = 0; |
| 521 | *data_size = (uint32_t)size; |
| 522 | END: |
| 523 | if (fp) fclose(fp); |
| 524 | return data; |
| 525 | } |
| 526 | |
| 527 | static |
| 528 | void put_tag_entry(m4af_writer_t *m4af, const aacenc_tag_entry_t *tag) |
| 529 | { |
| 530 | unsigned m, n = 0; |
| 531 | const char *data = tag->data; |
| 532 | uint32_t data_size = tag->data_size; |
| 533 | char *file_contents = 0; |
| 534 | |
| 535 | if (tag->is_file_name) { |
| 536 | data = file_contents = load_tag_from_file(tag->data, &data_size); |
| 537 | if (!data) return; |
| 538 | } |
| 539 | switch (tag->tag) { |
| 540 | case M4AF_TAG_TRACK: |
| 541 | if (sscanf(data, "%u/%u", &m, &n) >= 1) |
| 542 | m4af_add_itmf_track_tag(m4af, m, n); |
| 543 | break; |
| 544 | case M4AF_TAG_DISK: |
| 545 | if (sscanf(data, "%u/%u", &m, &n) >= 1) |
| 546 | m4af_add_itmf_disk_tag(m4af, m, n); |
| 547 | break; |
| 548 | case M4AF_TAG_GENRE_ID3: |
| 549 | if (sscanf(data, "%u", &n) == 1) |
| 550 | m4af_add_itmf_genre_tag(m4af, n); |
| 551 | break; |
| 552 | case M4AF_TAG_TEMPO: |
| 553 | if (sscanf(data, "%u", &n) == 1) |
| 554 | m4af_add_itmf_int16_tag(m4af, tag->tag, n); |
| 555 | break; |
| 556 | case M4AF_TAG_COMPILATION: |
| 557 | case M4AF_FOURCC('a','k','I','D'): |
| 558 | case M4AF_FOURCC('h','d','v','d'): |
| 559 | case M4AF_FOURCC('p','c','s','t'): |
| 560 | case M4AF_FOURCC('p','g','a','p'): |
| 561 | case M4AF_FOURCC('r','t','n','g'): |
| 562 | case M4AF_FOURCC('s','t','i','k'): |
| 563 | if (sscanf(data, "%u", &n) == 1) |
| 564 | m4af_add_itmf_int8_tag(m4af, tag->tag, n); |
| 565 | break; |
| 566 | case M4AF_FOURCC('a','t','I','D'): |
| 567 | case M4AF_FOURCC('c','m','I','D'): |
| 568 | case M4AF_FOURCC('c','n','I','D'): |
| 569 | case M4AF_FOURCC('g','e','I','D'): |
| 570 | case M4AF_FOURCC('s','f','I','D'): |
| 571 | case M4AF_FOURCC('t','v','s','n'): |
| 572 | case M4AF_FOURCC('t','v','s','s'): |
| 573 | if (sscanf(data, "%u", &n) == 1) |
| 574 | m4af_add_itmf_int32_tag(m4af, tag->tag, n); |
| 575 | break; |
| 576 | case M4AF_FOURCC('p','l','I','D'): |
| 577 | { |
| 578 | int64_t qn; |
| 579 | if (sscanf(data, "%" SCNd64, &qn) == 1) |
| 580 | m4af_add_itmf_int64_tag(m4af, tag->tag, qn); |
| 581 | break; |
| 582 | } |
| 583 | case M4AF_TAG_ARTWORK: |
| 584 | { |
| 585 | int data_type = 0; |
| 586 | if (!memcmp(data, "GIF", 3)) |
| 587 | data_type = M4AF_GIF; |
| 588 | else if (!memcmp(data, "\xff\xd8\xff", 3)) |
| 589 | data_type = M4AF_JPEG; |
| 590 | else if (!memcmp(data, "\x89PNG", 4)) |
| 591 | data_type = M4AF_PNG; |
| 592 | if (data_type) |
| 593 | m4af_add_itmf_short_tag(m4af, tag->tag, data_type, |
| 594 | data, data_size); |
| 595 | break; |
| 596 | } |
| 597 | case M4AF_FOURCC('-','-','-','-'): |
| 598 | { |
| 599 | char *u8 = aacenc_to_utf8(data); |
| 600 | m4af_add_itmf_long_tag(m4af, tag->name, u8); |
| 601 | free(u8); |
| 602 | break; |
| 603 | } |
| 604 | case M4AF_TAG_TITLE: |
| 605 | case M4AF_TAG_ARTIST: |
| 606 | case M4AF_TAG_ALBUM: |
| 607 | case M4AF_TAG_GENRE: |
| 608 | case M4AF_TAG_DATE: |
| 609 | case M4AF_TAG_COMPOSER: |
| 610 | case M4AF_TAG_GROUPING: |
| 611 | case M4AF_TAG_COMMENT: |
| 612 | case M4AF_TAG_LYRICS: |
| 613 | case M4AF_TAG_TOOL: |
| 614 | case M4AF_TAG_ALBUM_ARTIST: |
| 615 | case M4AF_TAG_DESCRIPTION: |
| 616 | case M4AF_TAG_LONG_DESCRIPTION: |
| 617 | case M4AF_TAG_COPYRIGHT: |
| 618 | case M4AF_FOURCC('a','p','I','D'): |
| 619 | case M4AF_FOURCC('c','a','t','g'): |
| 620 | case M4AF_FOURCC('k','e','y','w'): |
| 621 | case M4AF_FOURCC('p','u','r','d'): |
| 622 | case M4AF_FOURCC('p','u','r','l'): |
| 623 | case M4AF_FOURCC('s','o','a','a'): |
| 624 | case M4AF_FOURCC('s','o','a','l'): |
| 625 | case M4AF_FOURCC('s','o','a','r'): |
| 626 | case M4AF_FOURCC('s','o','c','o'): |
| 627 | case M4AF_FOURCC('s','o','n','m'): |
| 628 | case M4AF_FOURCC('s','o','s','n'): |
| 629 | case M4AF_FOURCC('t','v','e','n'): |
| 630 | case M4AF_FOURCC('t','v','n','n'): |
| 631 | case M4AF_FOURCC('t','v','s','h'): |
| 632 | case M4AF_FOURCC('x','i','d',' '): |
| 633 | case M4AF_FOURCC('\xa9','e','n','c'): |
| 634 | case M4AF_FOURCC('\xa9','s','t','3'): |
| 635 | { |
| 636 | char *u8 = aacenc_to_utf8(data); |
| 637 | m4af_add_itmf_string_tag(m4af, tag->tag, u8); |
| 638 | free(u8); |
| 639 | break; |
| 640 | } |
| 641 | default: |
| 642 | fprintf(stderr, "WARNING: unknown/unsupported tag: %c%c%c%c\n", |
| 643 | tag->tag >> 24, (tag->tag >> 16) & 0xff, |
| 644 | (tag->tag >> 8) & 0xff, tag->tag & 0xff); |
| 645 | } |
| 646 | if (file_contents) free(file_contents); |
| 647 | } |
| 648 | |
| 649 | static |
| 650 | void put_tool_tag(m4af_writer_t *m4af, const aacenc_param_ex_t *params, |
| 651 | HANDLE_AACENCODER encoder) |
| 652 | { |
| 653 | char tool_info[256]; |
| 654 | char *p = tool_info; |
| 655 | LIB_INFO *lib_info = 0; |
| 656 | |
| 657 | p += sprintf(p, PROGNAME " %s, ", fdkaac_version); |
| 658 | |
| 659 | lib_info = calloc(FDK_MODULE_LAST, sizeof(LIB_INFO)); |
| 660 | if (aacEncGetLibInfo(lib_info) == AACENC_OK) { |
| 661 | int i; |
| 662 | for (i = 0; i < FDK_MODULE_LAST; ++i) |
| 663 | if (lib_info[i].module_id == FDK_AACENC) |
| 664 | break; |
| 665 | p += sprintf(p, "libfdk-aac %s, ", lib_info[i].versionStr); |
| 666 | } |
| 667 | free(lib_info); |
| 668 | if (params->bitrate_mode) |
| 669 | sprintf(p, "VBR mode %d", params->bitrate_mode); |
| 670 | else |
| 671 | sprintf(p, "CBR %dkbps", |
| 672 | aacEncoder_GetParam(encoder, AACENC_BITRATE) / 1000); |
| 673 | |
| 674 | m4af_add_itmf_string_tag(m4af, M4AF_TAG_TOOL, tool_info); |
| 675 | } |
| 676 | |
| 677 | static |
| 678 | int finalize_m4a(m4af_writer_t *m4af, const aacenc_param_ex_t *params, |
| 679 | HANDLE_AACENCODER encoder) |
| 680 | { |
| 681 | unsigned i; |
| 682 | aacenc_tag_entry_t *tag = params->tag_table; |
| 683 | for (i = 0; i < params->tag_count; ++i, ++tag) |
| 684 | put_tag_entry(m4af, tag); |
| 685 | |
| 686 | put_tool_tag(m4af, params, encoder); |
| 687 | |
| 688 | if (m4af_finalize(m4af) < 0) { |
| 689 | fprintf(stderr, "ERROR: failed to finalize m4a\n"); |
| 690 | return -1; |
| 691 | } |
| 692 | return 0; |
| 693 | } |
| 694 | |
| 695 | static |
| 696 | char *generate_output_filename(const char *filename, const char *ext) |
| 697 | { |
| 698 | char *p = 0; |
| 699 | size_t ext_len = strlen(ext); |
| 700 | |
| 701 | if (strcmp(filename, "-") == 0) { |
| 702 | p = malloc(ext_len + 6); |
| 703 | sprintf(p, "stdin%s", ext); |
| 704 | } else { |
| 705 | const char *base = aacenc_basename(filename); |
| 706 | size_t ilen = strlen(base); |
| 707 | const char *ext_org = strrchr(base, '.'); |
| 708 | if (ext_org) ilen = ext_org - base; |
| 709 | p = malloc(ilen + ext_len + 1); |
| 710 | sprintf(p, "%.*s%s", ilen, base, ext); |
| 711 | } |
| 712 | return p; |
| 713 | } |
| 714 | |
| 715 | static |
| 716 | int parse_raw_spec(const char *spec, pcm_sample_description_t *desc) |
| 717 | { |
| 718 | unsigned bits; |
| 719 | unsigned char c_type, c_endian = 'L'; |
| 720 | int type; |
| 721 | |
| 722 | if (sscanf(spec, "%c%u%c", &c_type, &bits, &c_endian) < 2) |
| 723 | return -1; |
| 724 | c_type = toupper(c_type); |
| 725 | c_endian = toupper(c_endian); |
| 726 | |
| 727 | if (c_type == 'S') |
| 728 | type = 1; |
| 729 | else if (c_type == 'U') |
| 730 | type = 2; |
| 731 | else if (c_type == 'F') |
| 732 | type = 4; |
| 733 | else |
| 734 | return -1; |
| 735 | |
| 736 | if (c_endian == 'B') |
| 737 | type |= 8; |
| 738 | else if (c_endian != 'L') |
| 739 | return -1; |
| 740 | |
| 741 | if (c_type == 'F' && bits != 32 && bits != 64) |
| 742 | return -1; |
| 743 | if (c_type != 'F' && (bits < 8 || bits > 32)) |
| 744 | return -1; |
| 745 | |
| 746 | desc->sample_type = type; |
| 747 | desc->bits_per_channel = bits; |
| 748 | return 0; |
| 749 | } |
| 750 | |
| 751 | int main(int argc, char **argv) |
| 752 | { |
| 753 | wav_io_context_t wav_io = { read_callback, seek_callback, tell_callback }; |
| 754 | m4af_io_callbacks_t m4af_io = { |
| 755 | write_callback, seek_callback, tell_callback }; |
| 756 | aacenc_param_ex_t params = { 0 }; |
| 757 | |
| 758 | int result = 2; |
| 759 | FILE *ifp = 0; |
| 760 | FILE *ofp = 0; |
| 761 | char *output_filename = 0; |
| 762 | wav_reader_t *wavf = 0; |
| 763 | HANDLE_AACENCODER encoder = 0; |
| 764 | AACENC_InfoStruct aacinfo = { 0 }; |
| 765 | m4af_writer_t *m4af = 0; |
| 766 | const pcm_sample_description_t *sample_format; |
| 767 | int downsampled_timescale = 0; |
| 768 | int frame_count = 0; |
| 769 | struct stat stb = { 0 }; |
| 770 | |
| 771 | setlocale(LC_CTYPE, ""); |
| 772 | setbuf(stderr, 0); |
| 773 | |
| 774 | if (parse_options(argc, argv, ¶ms) < 0) |
| 775 | return 1; |
| 776 | |
| 777 | if ((ifp = aacenc_fopen(params.input_filename, "rb")) == 0) { |
| 778 | aacenc_fprintf(stderr, "ERROR: %s: %s\n", params.input_filename, |
| 779 | strerror(errno)); |
| 780 | goto END; |
| 781 | } |
| 782 | if (fstat(fileno(ifp), &stb) == 0 && (stb.st_mode & S_IFMT) != S_IFREG) { |
| 783 | wav_io.seek = 0; |
| 784 | wav_io.tell = 0; |
| 785 | } |
| 786 | if (!params.is_raw) { |
| 787 | if ((wavf = wav_open(&wav_io, ifp, params.ignore_length)) == 0) { |
| 788 | fprintf(stderr, "ERROR: broken / unsupported input file\n"); |
| 789 | goto END; |
| 790 | } |
| 791 | } else { |
| 792 | int bytes_per_channel; |
| 793 | pcm_sample_description_t desc = { 0 }; |
| 794 | if (parse_raw_spec(params.raw_format, &desc) < 0) { |
| 795 | fprintf(stderr, "ERROR: invalid raw-format spec\n"); |
| 796 | goto END; |
| 797 | } |
| 798 | desc.sample_rate = params.raw_rate; |
| 799 | desc.channels_per_frame = params.raw_channels; |
| 800 | bytes_per_channel = (desc.bits_per_channel + 7) / 8; |
| 801 | desc.bytes_per_frame = params.raw_channels * bytes_per_channel; |
| 802 | if ((wavf = raw_open(&wav_io, ifp, &desc)) == 0) { |
| 803 | fprintf(stderr, "ERROR: failed to open raw input\n"); |
| 804 | goto END; |
| 805 | } |
| 806 | } |
| 807 | sample_format = wav_get_format(wavf); |
| 808 | |
| 809 | if (aacenc_init(&encoder, (aacenc_param_t*)¶ms, sample_format, |
| 810 | &aacinfo) < 0) |
| 811 | goto END; |
| 812 | |
| 813 | if (!params.output_filename) { |
| 814 | const char *ext = params.transport_format ? ".aac" : ".m4a"; |
| 815 | output_filename = generate_output_filename(params.input_filename, ext); |
| 816 | params.output_filename = output_filename; |
| 817 | } |
| 818 | |
| 819 | if ((ofp = aacenc_fopen(params.output_filename, "wb")) == 0) { |
| 820 | aacenc_fprintf(stderr, "ERROR: %s: %s\n", params.output_filename, |
| 821 | strerror(errno)); |
| 822 | goto END; |
| 823 | } |
| 824 | if (!params.transport_format) { |
| 825 | uint32_t scale; |
| 826 | unsigned framelen = aacinfo.frameLength; |
| 827 | int sbr_mode = aacenc_is_sbr_active((aacenc_param_t*)¶ms); |
| 828 | int sig_mode = aacEncoder_GetParam(encoder, AACENC_SIGNALING_MODE); |
| 829 | if (sbr_mode && !sig_mode) |
| 830 | downsampled_timescale = 1; |
| 831 | scale = sample_format->sample_rate >> downsampled_timescale; |
| 832 | if ((m4af = m4af_create(M4AF_CODEC_MP4A, scale, &m4af_io, ofp)) < 0) |
| 833 | goto END; |
| 834 | m4af_decoder_specific_info(m4af, 0, aacinfo.confBuf, aacinfo.confSize); |
| 835 | m4af_set_fixed_frame_duration(m4af, 0, |
| 836 | framelen >> downsampled_timescale); |
| 837 | m4af_begin_write(m4af); |
| 838 | } |
| 839 | frame_count = encode(wavf, encoder, aacinfo.frameLength, ofp, m4af, |
| 840 | !params.silent); |
| 841 | if (frame_count < 0) |
| 842 | goto END; |
| 843 | if (m4af) { |
| 844 | uint32_t delay = aacinfo.encoderDelay; |
| 845 | int64_t frames_read = wav_get_position(wavf); |
| 846 | uint32_t padding = frame_count * aacinfo.frameLength |
| 847 | - frames_read - aacinfo.encoderDelay; |
| 848 | m4af_set_priming(m4af, 0, delay >> downsampled_timescale, |
| 849 | padding >> downsampled_timescale); |
| 850 | if (finalize_m4a(m4af, ¶ms, encoder) < 0) |
| 851 | goto END; |
| 852 | } |
| 853 | result = 0; |
| 854 | END: |
| 855 | if (wavf) wav_teardown(&wavf); |
| 856 | if (ifp) fclose(ifp); |
| 857 | if (m4af) m4af_teardown(&m4af); |
| 858 | if (ofp) fclose(ofp); |
| 859 | if (encoder) aacEncClose(&encoder); |
| 860 | if (output_filename) free(output_filename); |
| 861 | if (params.tag_table) free(params.tag_table); |
| 862 | |
| 863 | return result; |
| 864 | } |