1/* 2 * PCM codecs 3 * Copyright (c) 2001 Fabrice Bellard 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 */ 21 22/** 23 * @file 24 * PCM codecs 25 */ 26 27#include "libavutil/attributes.h" 28#include "avcodec.h" 29#include "bytestream.h" 30#include "internal.h" 31#include "mathops.h" 32#include "pcm_tablegen.h" 33 34static av_cold int pcm_encode_init(AVCodecContext *avctx) 35{ 36 avctx->frame_size = 0; 37 switch (avctx->codec->id) { 38 case AV_CODEC_ID_PCM_ALAW: 39 pcm_alaw_tableinit(); 40 break; 41 case AV_CODEC_ID_PCM_MULAW: 42 pcm_ulaw_tableinit(); 43 break; 44 default: 45 break; 46 } 47 48 avctx->bits_per_coded_sample = av_get_bits_per_sample(avctx->codec->id); 49 avctx->block_align = avctx->channels * avctx->bits_per_coded_sample / 8; 50 avctx->bit_rate = avctx->block_align * avctx->sample_rate * 8; 51 52 return 0; 53} 54 55/** 56 * Write PCM samples macro 57 * @param type Datatype of native machine format 58 * @param endian bytestream_put_xxx() suffix 59 * @param src Source pointer (variable name) 60 * @param dst Destination pointer (variable name) 61 * @param n Total number of samples (variable name) 62 * @param shift Bitshift (bits) 63 * @param offset Sample value offset 64 */ 65#define ENCODE(type, endian, src, dst, n, shift, offset) \ 66 samples_ ## type = (const type *) src; \ 67 for (; n > 0; n--) { \ 68 register type v = (*samples_ ## type++ >> shift) + offset; \ 69 bytestream_put_ ## endian(&dst, v); \ 70 } 71 72#define ENCODE_PLANAR(type, endian, dst, n, shift, offset) \ 73 n /= avctx->channels; \ 74 for (c = 0; c < avctx->channels; c++) { \ 75 int i; \ 76 samples_ ## type = (const type *) frame->extended_data[c]; \ 77 for (i = n; i > 0; i--) { \ 78 register type v = (*samples_ ## type++ >> shift) + offset; \ 79 bytestream_put_ ## endian(&dst, v); \ 80 } \ 81 } 82 83static int pcm_encode_frame(AVCodecContext *avctx, AVPacket *avpkt, 84 const AVFrame *frame, int *got_packet_ptr) 85{ 86 int n, c, sample_size, v, ret; 87 const short *samples; 88 unsigned char *dst; 89 const uint8_t *samples_uint8_t; 90 const int16_t *samples_int16_t; 91 const int32_t *samples_int32_t; 92 const int64_t *samples_int64_t; 93 const uint16_t *samples_uint16_t; 94 const uint32_t *samples_uint32_t; 95 96 sample_size = av_get_bits_per_sample(avctx->codec->id) / 8; 97 n = frame->nb_samples * avctx->channels; 98 samples = (const short *)frame->data[0]; 99 100 if ((ret = ff_alloc_packet2(avctx, avpkt, n * sample_size)) < 0) 101 return ret; 102 dst = avpkt->data; 103 104 switch (avctx->codec->id) { 105 case AV_CODEC_ID_PCM_U32LE: 106 ENCODE(uint32_t, le32, samples, dst, n, 0, 0x80000000) 107 break; 108 case AV_CODEC_ID_PCM_U32BE: 109 ENCODE(uint32_t, be32, samples, dst, n, 0, 0x80000000) 110 break; 111 case AV_CODEC_ID_PCM_S24LE: 112 ENCODE(int32_t, le24, samples, dst, n, 8, 0) 113 break; 114 case AV_CODEC_ID_PCM_S24LE_PLANAR: 115 ENCODE_PLANAR(int32_t, le24, dst, n, 8, 0) 116 break; 117 case AV_CODEC_ID_PCM_S24BE: 118 ENCODE(int32_t, be24, samples, dst, n, 8, 0) 119 break; 120 case AV_CODEC_ID_PCM_U24LE: 121 ENCODE(uint32_t, le24, samples, dst, n, 8, 0x800000) 122 break; 123 case AV_CODEC_ID_PCM_U24BE: 124 ENCODE(uint32_t, be24, samples, dst, n, 8, 0x800000) 125 break; 126 case AV_CODEC_ID_PCM_S24DAUD: 127 for (; n > 0; n--) { 128 uint32_t tmp = ff_reverse[(*samples >> 8) & 0xff] + 129 (ff_reverse[*samples & 0xff] << 8); 130 tmp <<= 4; // sync flags would go here 131 bytestream_put_be24(&dst, tmp); 132 samples++; 133 } 134 break; 135 case AV_CODEC_ID_PCM_U16LE: 136 ENCODE(uint16_t, le16, samples, dst, n, 0, 0x8000) 137 break; 138 case AV_CODEC_ID_PCM_U16BE: 139 ENCODE(uint16_t, be16, samples, dst, n, 0, 0x8000) 140 break; 141 case AV_CODEC_ID_PCM_S8: 142 ENCODE(uint8_t, byte, samples, dst, n, 0, -128) 143 break; 144 case AV_CODEC_ID_PCM_S8_PLANAR: 145 ENCODE_PLANAR(uint8_t, byte, dst, n, 0, -128) 146 break; 147#if HAVE_BIGENDIAN 148 case AV_CODEC_ID_PCM_F64LE: 149 ENCODE(int64_t, le64, samples, dst, n, 0, 0) 150 break; 151 case AV_CODEC_ID_PCM_S32LE: 152 case AV_CODEC_ID_PCM_F32LE: 153 ENCODE(int32_t, le32, samples, dst, n, 0, 0) 154 break; 155 case AV_CODEC_ID_PCM_S32LE_PLANAR: 156 ENCODE_PLANAR(int32_t, le32, dst, n, 0, 0) 157 break; 158 case AV_CODEC_ID_PCM_S16LE: 159 ENCODE(int16_t, le16, samples, dst, n, 0, 0) 160 break; 161 case AV_CODEC_ID_PCM_S16LE_PLANAR: 162 ENCODE_PLANAR(int16_t, le16, dst, n, 0, 0) 163 break; 164 case AV_CODEC_ID_PCM_F64BE: 165 case AV_CODEC_ID_PCM_F32BE: 166 case AV_CODEC_ID_PCM_S32BE: 167 case AV_CODEC_ID_PCM_S16BE: 168#else 169 case AV_CODEC_ID_PCM_F64BE: 170 ENCODE(int64_t, be64, samples, dst, n, 0, 0) 171 break; 172 case AV_CODEC_ID_PCM_F32BE: 173 case AV_CODEC_ID_PCM_S32BE: 174 ENCODE(int32_t, be32, samples, dst, n, 0, 0) 175 break; 176 case AV_CODEC_ID_PCM_S16BE: 177 ENCODE(int16_t, be16, samples, dst, n, 0, 0) 178 break; 179 case AV_CODEC_ID_PCM_S16BE_PLANAR: 180 ENCODE_PLANAR(int16_t, be16, dst, n, 0, 0) 181 break; 182 case AV_CODEC_ID_PCM_F64LE: 183 case AV_CODEC_ID_PCM_F32LE: 184 case AV_CODEC_ID_PCM_S32LE: 185 case AV_CODEC_ID_PCM_S16LE: 186#endif /* HAVE_BIGENDIAN */ 187 case AV_CODEC_ID_PCM_U8: 188 memcpy(dst, samples, n * sample_size); 189 break; 190#if HAVE_BIGENDIAN 191 case AV_CODEC_ID_PCM_S16BE_PLANAR: 192#else 193 case AV_CODEC_ID_PCM_S16LE_PLANAR: 194 case AV_CODEC_ID_PCM_S32LE_PLANAR: 195#endif /* HAVE_BIGENDIAN */ 196 n /= avctx->channels; 197 for (c = 0; c < avctx->channels; c++) { 198 const uint8_t *src = frame->extended_data[c]; 199 bytestream_put_buffer(&dst, src, n * sample_size); 200 } 201 break; 202 case AV_CODEC_ID_PCM_ALAW: 203 for (; n > 0; n--) { 204 v = *samples++; 205 *dst++ = linear_to_alaw[(v + 32768) >> 2]; 206 } 207 break; 208 case AV_CODEC_ID_PCM_MULAW: 209 for (; n > 0; n--) { 210 v = *samples++; 211 *dst++ = linear_to_ulaw[(v + 32768) >> 2]; 212 } 213 break; 214 default: 215 return -1; 216 } 217 218 *got_packet_ptr = 1; 219 return 0; 220} 221 222typedef struct PCMDecode { 223 short table[256]; 224} PCMDecode; 225 226static av_cold int pcm_decode_init(AVCodecContext *avctx) 227{ 228 PCMDecode *s = avctx->priv_data; 229 int i; 230 231 if (avctx->channels <= 0) { 232 av_log(avctx, AV_LOG_ERROR, "PCM channels out of bounds\n"); 233 return AVERROR(EINVAL); 234 } 235 236 switch (avctx->codec_id) { 237 case AV_CODEC_ID_PCM_ALAW: 238 for (i = 0; i < 256; i++) 239 s->table[i] = alaw2linear(i); 240 break; 241 case AV_CODEC_ID_PCM_MULAW: 242 for (i = 0; i < 256; i++) 243 s->table[i] = ulaw2linear(i); 244 break; 245 default: 246 break; 247 } 248 249 avctx->sample_fmt = avctx->codec->sample_fmts[0]; 250 251 if (avctx->sample_fmt == AV_SAMPLE_FMT_S32) 252 avctx->bits_per_raw_sample = av_get_bits_per_sample(avctx->codec_id); 253 254 return 0; 255} 256 257/** 258 * Read PCM samples macro 259 * @param size Data size of native machine format 260 * @param endian bytestream_get_xxx() endian suffix 261 * @param src Source pointer (variable name) 262 * @param dst Destination pointer (variable name) 263 * @param n Total number of samples (variable name) 264 * @param shift Bitshift (bits) 265 * @param offset Sample value offset 266 */ 267#define DECODE(size, endian, src, dst, n, shift, offset) \ 268 for (; n > 0; n--) { \ 269 uint ## size ## _t v = bytestream_get_ ## endian(&src); \ 270 AV_WN ## size ## A(dst, (v - offset) << shift); \ 271 dst += size / 8; \ 272 } 273 274#define DECODE_PLANAR(size, endian, src, dst, n, shift, offset) \ 275 n /= avctx->channels; \ 276 for (c = 0; c < avctx->channels; c++) { \ 277 int i; \ 278 dst = frame->extended_data[c]; \ 279 for (i = n; i > 0; i--) { \ 280 uint ## size ## _t v = bytestream_get_ ## endian(&src); \ 281 AV_WN ## size ## A(dst, (v - offset) << shift); \ 282 dst += size / 8; \ 283 } \ 284 } 285 286static int pcm_decode_frame(AVCodecContext *avctx, void *data, 287 int *got_frame_ptr, AVPacket *avpkt) 288{ 289 const uint8_t *src = avpkt->data; 290 int buf_size = avpkt->size; 291 PCMDecode *s = avctx->priv_data; 292 AVFrame *frame = data; 293 int sample_size, c, n, ret, samples_per_block; 294 uint8_t *samples; 295 int32_t *dst_int32_t; 296 297 sample_size = av_get_bits_per_sample(avctx->codec_id) / 8; 298 299 /* av_get_bits_per_sample returns 0 for AV_CODEC_ID_PCM_DVD */ 300 samples_per_block = 1; 301 if (avctx->codec_id == AV_CODEC_ID_PCM_LXF) { 302 /* we process 40-bit blocks per channel for LXF */ 303 samples_per_block = 2; 304 sample_size = 5; 305 } 306 307 if (sample_size == 0) { 308 av_log(avctx, AV_LOG_ERROR, "Invalid sample_size\n"); 309 return AVERROR(EINVAL); 310 } 311 312 if (avctx->channels == 0) { 313 av_log(avctx, AV_LOG_ERROR, "Invalid number of channels\n"); 314 return AVERROR(EINVAL); 315 } 316 317 if (avctx->codec_id != avctx->codec->id) { 318 av_log(avctx, AV_LOG_ERROR, "codec ids mismatch\n"); 319 return AVERROR(EINVAL); 320 } 321 322 n = avctx->channels * sample_size; 323 324 if (n && buf_size % n) { 325 if (buf_size < n) { 326 av_log(avctx, AV_LOG_ERROR, 327 "Invalid PCM packet, data has size %d but at least a size of %d was expected\n", 328 buf_size, n); 329 return AVERROR_INVALIDDATA; 330 } else 331 buf_size -= buf_size % n; 332 } 333 334 n = buf_size / sample_size; 335 336 /* get output buffer */ 337 frame->nb_samples = n * samples_per_block / avctx->channels; 338 if ((ret = ff_get_buffer(avctx, frame, 0)) < 0) 339 return ret; 340 samples = frame->data[0]; 341 342 switch (avctx->codec_id) { 343 case AV_CODEC_ID_PCM_U32LE: 344 DECODE(32, le32, src, samples, n, 0, 0x80000000) 345 break; 346 case AV_CODEC_ID_PCM_U32BE: 347 DECODE(32, be32, src, samples, n, 0, 0x80000000) 348 break; 349 case AV_CODEC_ID_PCM_S24LE: 350 DECODE(32, le24, src, samples, n, 8, 0) 351 break; 352 case AV_CODEC_ID_PCM_S24LE_PLANAR: 353 DECODE_PLANAR(32, le24, src, samples, n, 8, 0); 354 break; 355 case AV_CODEC_ID_PCM_S24BE: 356 DECODE(32, be24, src, samples, n, 8, 0) 357 break; 358 case AV_CODEC_ID_PCM_U24LE: 359 DECODE(32, le24, src, samples, n, 8, 0x800000) 360 break; 361 case AV_CODEC_ID_PCM_U24BE: 362 DECODE(32, be24, src, samples, n, 8, 0x800000) 363 break; 364 case AV_CODEC_ID_PCM_S24DAUD: 365 for (; n > 0; n--) { 366 uint32_t v = bytestream_get_be24(&src); 367 v >>= 4; // sync flags are here 368 AV_WN16A(samples, ff_reverse[(v >> 8) & 0xff] + 369 (ff_reverse[v & 0xff] << 8)); 370 samples += 2; 371 } 372 break; 373 case AV_CODEC_ID_PCM_U16LE: 374 DECODE(16, le16, src, samples, n, 0, 0x8000) 375 break; 376 case AV_CODEC_ID_PCM_U16BE: 377 DECODE(16, be16, src, samples, n, 0, 0x8000) 378 break; 379 case AV_CODEC_ID_PCM_S8: 380 for (; n > 0; n--) 381 *samples++ = *src++ + 128; 382 break; 383 case AV_CODEC_ID_PCM_S8_PLANAR: 384 n /= avctx->channels; 385 for (c = 0; c < avctx->channels; c++) { 386 int i; 387 samples = frame->extended_data[c]; 388 for (i = n; i > 0; i--) 389 *samples++ = *src++ + 128; 390 } 391 break; 392#if HAVE_BIGENDIAN 393 case AV_CODEC_ID_PCM_F64LE: 394 DECODE(64, le64, src, samples, n, 0, 0) 395 break; 396 case AV_CODEC_ID_PCM_S32LE: 397 case AV_CODEC_ID_PCM_F32LE: 398 DECODE(32, le32, src, samples, n, 0, 0) 399 break; 400 case AV_CODEC_ID_PCM_S32LE_PLANAR: 401 DECODE_PLANAR(32, le32, src, samples, n, 0, 0); 402 break; 403 case AV_CODEC_ID_PCM_S16LE: 404 DECODE(16, le16, src, samples, n, 0, 0) 405 break; 406 case AV_CODEC_ID_PCM_S16LE_PLANAR: 407 DECODE_PLANAR(16, le16, src, samples, n, 0, 0); 408 break; 409 case AV_CODEC_ID_PCM_F64BE: 410 case AV_CODEC_ID_PCM_F32BE: 411 case AV_CODEC_ID_PCM_S32BE: 412 case AV_CODEC_ID_PCM_S16BE: 413#else 414 case AV_CODEC_ID_PCM_F64BE: 415 DECODE(64, be64, src, samples, n, 0, 0) 416 break; 417 case AV_CODEC_ID_PCM_F32BE: 418 case AV_CODEC_ID_PCM_S32BE: 419 DECODE(32, be32, src, samples, n, 0, 0) 420 break; 421 case AV_CODEC_ID_PCM_S16BE: 422 DECODE(16, be16, src, samples, n, 0, 0) 423 break; 424 case AV_CODEC_ID_PCM_S16BE_PLANAR: 425 DECODE_PLANAR(16, be16, src, samples, n, 0, 0); 426 break; 427 case AV_CODEC_ID_PCM_F64LE: 428 case AV_CODEC_ID_PCM_F32LE: 429 case AV_CODEC_ID_PCM_S32LE: 430 case AV_CODEC_ID_PCM_S16LE: 431#endif /* HAVE_BIGENDIAN */ 432 case AV_CODEC_ID_PCM_U8: 433 memcpy(samples, src, n * sample_size); 434 break; 435#if HAVE_BIGENDIAN 436 case AV_CODEC_ID_PCM_S16BE_PLANAR: 437#else 438 case AV_CODEC_ID_PCM_S16LE_PLANAR: 439 case AV_CODEC_ID_PCM_S32LE_PLANAR: 440#endif /* HAVE_BIGENDIAN */ 441 n /= avctx->channels; 442 for (c = 0; c < avctx->channels; c++) { 443 samples = frame->extended_data[c]; 444 bytestream_get_buffer(&src, samples, n * sample_size); 445 } 446 break; 447 case AV_CODEC_ID_PCM_ZORK: 448 for (; n > 0; n--) { 449 int v = *src++; 450 if (v < 128) 451 v = 128 - v; 452 *samples++ = v; 453 } 454 break; 455 case AV_CODEC_ID_PCM_ALAW: 456 case AV_CODEC_ID_PCM_MULAW: 457 for (; n > 0; n--) { 458 AV_WN16A(samples, s->table[*src++]); 459 samples += 2; 460 } 461 break; 462 case AV_CODEC_ID_PCM_LXF: 463 { 464 int i; 465 n /= avctx->channels; 466 for (c = 0; c < avctx->channels; c++) { 467 dst_int32_t = (int32_t *)frame->extended_data[c]; 468 for (i = 0; i < n; i++) { 469 // extract low 20 bits and expand to 32 bits 470 *dst_int32_t++ = (src[2] << 28) | 471 (src[1] << 20) | 472 (src[0] << 12) | 473 ((src[2] & 0x0F) << 8) | 474 src[1]; 475 // extract high 20 bits and expand to 32 bits 476 *dst_int32_t++ = (src[4] << 24) | 477 (src[3] << 16) | 478 ((src[2] & 0xF0) << 8) | 479 (src[4] << 4) | 480 (src[3] >> 4); 481 src += 5; 482 } 483 } 484 break; 485 } 486 default: 487 return -1; 488 } 489 490 *got_frame_ptr = 1; 491 492 return buf_size; 493} 494 495#define PCM_ENCODER_0(id_, sample_fmt_, name_, long_name_) 496#define PCM_ENCODER_1(id_, sample_fmt_, name_, long_name_) \ 497AVCodec ff_ ## name_ ## _encoder = { \ 498 .name = #name_, \ 499 .long_name = NULL_IF_CONFIG_SMALL(long_name_), \ 500 .type = AVMEDIA_TYPE_AUDIO, \ 501 .id = AV_CODEC_ID_ ## id_, \ 502 .init = pcm_encode_init, \ 503 .encode2 = pcm_encode_frame, \ 504 .capabilities = CODEC_CAP_VARIABLE_FRAME_SIZE, \ 505 .sample_fmts = (const enum AVSampleFormat[]){ sample_fmt_, \ 506 AV_SAMPLE_FMT_NONE }, \ 507} 508 509#define PCM_ENCODER_2(cf, id, sample_fmt, name, long_name) \ 510 PCM_ENCODER_ ## cf(id, sample_fmt, name, long_name) 511#define PCM_ENCODER_3(cf, id, sample_fmt, name, long_name) \ 512 PCM_ENCODER_2(cf, id, sample_fmt, name, long_name) 513#define PCM_ENCODER(id, sample_fmt, name, long_name) \ 514 PCM_ENCODER_3(CONFIG_ ## id ## _ENCODER, id, sample_fmt, name, long_name) 515 516#define PCM_DECODER_0(id, sample_fmt, name, long_name) 517#define PCM_DECODER_1(id_, sample_fmt_, name_, long_name_) \ 518AVCodec ff_ ## name_ ## _decoder = { \ 519 .name = #name_, \ 520 .long_name = NULL_IF_CONFIG_SMALL(long_name_), \ 521 .type = AVMEDIA_TYPE_AUDIO, \ 522 .id = AV_CODEC_ID_ ## id_, \ 523 .priv_data_size = sizeof(PCMDecode), \ 524 .init = pcm_decode_init, \ 525 .decode = pcm_decode_frame, \ 526 .capabilities = CODEC_CAP_DR1, \ 527 .sample_fmts = (const enum AVSampleFormat[]){ sample_fmt_, \ 528 AV_SAMPLE_FMT_NONE }, \ 529} 530 531#define PCM_DECODER_2(cf, id, sample_fmt, name, long_name) \ 532 PCM_DECODER_ ## cf(id, sample_fmt, name, long_name) 533#define PCM_DECODER_3(cf, id, sample_fmt, name, long_name) \ 534 PCM_DECODER_2(cf, id, sample_fmt, name, long_name) 535#define PCM_DECODER(id, sample_fmt, name, long_name) \ 536 PCM_DECODER_3(CONFIG_ ## id ## _DECODER, id, sample_fmt, name, long_name) 537 538#define PCM_CODEC(id, sample_fmt_, name, long_name_) \ 539 PCM_ENCODER(id, sample_fmt_, name, long_name_); \ 540 PCM_DECODER(id, sample_fmt_, name, long_name_) 541 542/* Note: Do not forget to add new entries to the Makefile as well. */ 543PCM_CODEC (PCM_ALAW, AV_SAMPLE_FMT_S16, pcm_alaw, "PCM A-law / G.711 A-law"); 544PCM_CODEC (PCM_F32BE, AV_SAMPLE_FMT_FLT, pcm_f32be, "PCM 32-bit floating point big-endian"); 545PCM_CODEC (PCM_F32LE, AV_SAMPLE_FMT_FLT, pcm_f32le, "PCM 32-bit floating point little-endian"); 546PCM_CODEC (PCM_F64BE, AV_SAMPLE_FMT_DBL, pcm_f64be, "PCM 64-bit floating point big-endian"); 547PCM_CODEC (PCM_F64LE, AV_SAMPLE_FMT_DBL, pcm_f64le, "PCM 64-bit floating point little-endian"); 548PCM_DECODER(PCM_LXF, AV_SAMPLE_FMT_S32P,pcm_lxf, "PCM signed 20-bit little-endian planar"); 549PCM_CODEC (PCM_MULAW, AV_SAMPLE_FMT_S16, pcm_mulaw, "PCM mu-law / G.711 mu-law"); 550PCM_CODEC (PCM_S8, AV_SAMPLE_FMT_U8, pcm_s8, "PCM signed 8-bit"); 551PCM_CODEC (PCM_S8_PLANAR, AV_SAMPLE_FMT_U8P, pcm_s8_planar, "PCM signed 8-bit planar"); 552PCM_CODEC (PCM_S16BE, AV_SAMPLE_FMT_S16, pcm_s16be, "PCM signed 16-bit big-endian"); 553PCM_CODEC (PCM_S16BE_PLANAR, AV_SAMPLE_FMT_S16P,pcm_s16be_planar, "PCM signed 16-bit big-endian planar"); 554PCM_CODEC (PCM_S16LE, AV_SAMPLE_FMT_S16, pcm_s16le, "PCM signed 16-bit little-endian"); 555PCM_CODEC (PCM_S16LE_PLANAR, AV_SAMPLE_FMT_S16P,pcm_s16le_planar, "PCM signed 16-bit little-endian planar"); 556PCM_CODEC (PCM_S24BE, AV_SAMPLE_FMT_S32, pcm_s24be, "PCM signed 24-bit big-endian"); 557PCM_CODEC (PCM_S24DAUD, AV_SAMPLE_FMT_S16, pcm_s24daud, "PCM D-Cinema audio signed 24-bit"); 558PCM_CODEC (PCM_S24LE, AV_SAMPLE_FMT_S32, pcm_s24le, "PCM signed 24-bit little-endian"); 559PCM_CODEC (PCM_S24LE_PLANAR, AV_SAMPLE_FMT_S32P,pcm_s24le_planar, "PCM signed 24-bit little-endian planar"); 560PCM_CODEC (PCM_S32BE, AV_SAMPLE_FMT_S32, pcm_s32be, "PCM signed 32-bit big-endian"); 561PCM_CODEC (PCM_S32LE, AV_SAMPLE_FMT_S32, pcm_s32le, "PCM signed 32-bit little-endian"); 562PCM_CODEC (PCM_S32LE_PLANAR, AV_SAMPLE_FMT_S32P,pcm_s32le_planar, "PCM signed 32-bit little-endian planar"); 563PCM_CODEC (PCM_U8, AV_SAMPLE_FMT_U8, pcm_u8, "PCM unsigned 8-bit"); 564PCM_CODEC (PCM_U16BE, AV_SAMPLE_FMT_S16, pcm_u16be, "PCM unsigned 16-bit big-endian"); 565PCM_CODEC (PCM_U16LE, AV_SAMPLE_FMT_S16, pcm_u16le, "PCM unsigned 16-bit little-endian"); 566PCM_CODEC (PCM_U24BE, AV_SAMPLE_FMT_S32, pcm_u24be, "PCM unsigned 24-bit big-endian"); 567PCM_CODEC (PCM_U24LE, AV_SAMPLE_FMT_S32, pcm_u24le, "PCM unsigned 24-bit little-endian"); 568PCM_CODEC (PCM_U32BE, AV_SAMPLE_FMT_S32, pcm_u32be, "PCM unsigned 32-bit big-endian"); 569PCM_CODEC (PCM_U32LE, AV_SAMPLE_FMT_S32, pcm_u32le, "PCM unsigned 32-bit little-endian"); 570PCM_DECODER(PCM_ZORK, AV_SAMPLE_FMT_U8, pcm_zork, "PCM Zork"); 571 572