3 * Copyright (c) 2001 Fabrice Bellard
5 * This file is part of FFmpeg.
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.
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.
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
27 #include "libavutil/attributes.h"
29 #include "bytestream.h"
32 #include "pcm_tablegen.h"
34 static av_cold int pcm_encode_init(AVCodecContext *avctx)
36 avctx->frame_size = 0;
37 switch (avctx->codec->id) {
38 case AV_CODEC_ID_PCM_ALAW:
41 case AV_CODEC_ID_PCM_MULAW:
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 avctx->coded_frame = avcodec_alloc_frame();
52 if (!avctx->coded_frame)
53 return AVERROR(ENOMEM);
58 static av_cold int pcm_encode_close(AVCodecContext *avctx)
60 av_freep(&avctx->coded_frame);
66 * Write PCM samples macro
67 * @param type Datatype of native machine format
68 * @param endian bytestream_put_xxx() suffix
69 * @param src Source pointer (variable name)
70 * @param dst Destination pointer (variable name)
71 * @param n Total number of samples (variable name)
72 * @param shift Bitshift (bits)
73 * @param offset Sample value offset
75 #define ENCODE(type, endian, src, dst, n, shift, offset) \
76 samples_ ## type = (const type *) src; \
77 for (; n > 0; n--) { \
78 register type v = (*samples_ ## type++ >> shift) + offset; \
79 bytestream_put_ ## endian(&dst, v); \
82 #define ENCODE_PLANAR(type, endian, dst, n, shift, offset) \
83 n /= avctx->channels; \
84 for (c = 0; c < avctx->channels; c++) { \
86 samples_ ## type = (const type *) frame->extended_data[c]; \
87 for (i = n; i > 0; i--) { \
88 register type v = (*samples_ ## type++ >> shift) + offset; \
89 bytestream_put_ ## endian(&dst, v); \
93 static int pcm_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
94 const AVFrame *frame, int *got_packet_ptr)
96 int n, c, sample_size, v, ret;
99 const uint8_t *samples_uint8_t;
100 const int16_t *samples_int16_t;
101 const int32_t *samples_int32_t;
102 const int64_t *samples_int64_t;
103 const uint16_t *samples_uint16_t;
104 const uint32_t *samples_uint32_t;
106 sample_size = av_get_bits_per_sample(avctx->codec->id) / 8;
107 n = frame->nb_samples * avctx->channels;
108 samples = (const short *)frame->data[0];
110 if ((ret = ff_alloc_packet2(avctx, avpkt, n * sample_size)) < 0)
114 switch (avctx->codec->id) {
115 case AV_CODEC_ID_PCM_U32LE:
116 ENCODE(uint32_t, le32, samples, dst, n, 0, 0x80000000)
118 case AV_CODEC_ID_PCM_U32BE:
119 ENCODE(uint32_t, be32, samples, dst, n, 0, 0x80000000)
121 case AV_CODEC_ID_PCM_S24LE:
122 ENCODE(int32_t, le24, samples, dst, n, 8, 0)
124 case AV_CODEC_ID_PCM_S24LE_PLANAR:
125 ENCODE_PLANAR(int32_t, le24, dst, n, 8, 0)
127 case AV_CODEC_ID_PCM_S24BE:
128 ENCODE(int32_t, be24, samples, dst, n, 8, 0)
130 case AV_CODEC_ID_PCM_U24LE:
131 ENCODE(uint32_t, le24, samples, dst, n, 8, 0x800000)
133 case AV_CODEC_ID_PCM_U24BE:
134 ENCODE(uint32_t, be24, samples, dst, n, 8, 0x800000)
136 case AV_CODEC_ID_PCM_S24DAUD:
138 uint32_t tmp = ff_reverse[(*samples >> 8) & 0xff] +
139 (ff_reverse[*samples & 0xff] << 8);
140 tmp <<= 4; // sync flags would go here
141 bytestream_put_be24(&dst, tmp);
145 case AV_CODEC_ID_PCM_U16LE:
146 ENCODE(uint16_t, le16, samples, dst, n, 0, 0x8000)
148 case AV_CODEC_ID_PCM_U16BE:
149 ENCODE(uint16_t, be16, samples, dst, n, 0, 0x8000)
151 case AV_CODEC_ID_PCM_S8:
152 ENCODE(uint8_t, byte, samples, dst, n, 0, -128)
154 case AV_CODEC_ID_PCM_S8_PLANAR:
155 ENCODE_PLANAR(uint8_t, byte, dst, n, 0, -128)
158 case AV_CODEC_ID_PCM_F64LE:
159 ENCODE(int64_t, le64, samples, dst, n, 0, 0)
161 case AV_CODEC_ID_PCM_S32LE:
162 case AV_CODEC_ID_PCM_F32LE:
163 ENCODE(int32_t, le32, samples, dst, n, 0, 0)
165 case AV_CODEC_ID_PCM_S32LE_PLANAR:
166 ENCODE_PLANAR(int32_t, le32, dst, n, 0, 0)
168 case AV_CODEC_ID_PCM_S16LE:
169 ENCODE(int16_t, le16, samples, dst, n, 0, 0)
171 case AV_CODEC_ID_PCM_S16LE_PLANAR:
172 ENCODE_PLANAR(int16_t, le16, dst, n, 0, 0)
174 case AV_CODEC_ID_PCM_F64BE:
175 case AV_CODEC_ID_PCM_F32BE:
176 case AV_CODEC_ID_PCM_S32BE:
177 case AV_CODEC_ID_PCM_S16BE:
179 case AV_CODEC_ID_PCM_F64BE:
180 ENCODE(int64_t, be64, samples, dst, n, 0, 0)
182 case AV_CODEC_ID_PCM_F32BE:
183 case AV_CODEC_ID_PCM_S32BE:
184 ENCODE(int32_t, be32, samples, dst, n, 0, 0)
186 case AV_CODEC_ID_PCM_S16BE:
187 ENCODE(int16_t, be16, samples, dst, n, 0, 0)
189 case AV_CODEC_ID_PCM_S16BE_PLANAR:
190 ENCODE_PLANAR(int16_t, be16, dst, n, 0, 0)
192 case AV_CODEC_ID_PCM_F64LE:
193 case AV_CODEC_ID_PCM_F32LE:
194 case AV_CODEC_ID_PCM_S32LE:
195 case AV_CODEC_ID_PCM_S16LE:
196 #endif /* HAVE_BIGENDIAN */
197 case AV_CODEC_ID_PCM_U8:
198 memcpy(dst, samples, n * sample_size);
201 case AV_CODEC_ID_PCM_S16BE_PLANAR:
203 case AV_CODEC_ID_PCM_S16LE_PLANAR:
204 case AV_CODEC_ID_PCM_S32LE_PLANAR:
205 #endif /* HAVE_BIGENDIAN */
206 n /= avctx->channels;
207 for (c = 0; c < avctx->channels; c++) {
208 const uint8_t *src = frame->extended_data[c];
209 bytestream_put_buffer(&dst, src, n * sample_size);
212 case AV_CODEC_ID_PCM_ALAW:
215 *dst++ = linear_to_alaw[(v + 32768) >> 2];
218 case AV_CODEC_ID_PCM_MULAW:
221 *dst++ = linear_to_ulaw[(v + 32768) >> 2];
232 typedef struct PCMDecode {
236 static av_cold int pcm_decode_init(AVCodecContext *avctx)
238 PCMDecode *s = avctx->priv_data;
241 if (avctx->channels <= 0) {
242 av_log(avctx, AV_LOG_ERROR, "PCM channels out of bounds\n");
243 return AVERROR(EINVAL);
246 switch (avctx->codec_id) {
247 case AV_CODEC_ID_PCM_ALAW:
248 for (i = 0; i < 256; i++)
249 s->table[i] = alaw2linear(i);
251 case AV_CODEC_ID_PCM_MULAW:
252 for (i = 0; i < 256; i++)
253 s->table[i] = ulaw2linear(i);
259 avctx->sample_fmt = avctx->codec->sample_fmts[0];
261 if (avctx->sample_fmt == AV_SAMPLE_FMT_S32)
262 avctx->bits_per_raw_sample = av_get_bits_per_sample(avctx->codec_id);
268 * Read PCM samples macro
269 * @param size Data size of native machine format
270 * @param endian bytestream_get_xxx() endian suffix
271 * @param src Source pointer (variable name)
272 * @param dst Destination pointer (variable name)
273 * @param n Total number of samples (variable name)
274 * @param shift Bitshift (bits)
275 * @param offset Sample value offset
277 #define DECODE(size, endian, src, dst, n, shift, offset) \
278 for (; n > 0; n--) { \
279 uint ## size ## _t v = bytestream_get_ ## endian(&src); \
280 AV_WN ## size ## A(dst, (v - offset) << shift); \
284 #define DECODE_PLANAR(size, endian, src, dst, n, shift, offset) \
285 n /= avctx->channels; \
286 for (c = 0; c < avctx->channels; c++) { \
288 dst = frame->extended_data[c]; \
289 for (i = n; i > 0; i--) { \
290 uint ## size ## _t v = bytestream_get_ ## endian(&src); \
291 AV_WN ## size ## A(dst, (v - offset) << shift); \
296 static int pcm_decode_frame(AVCodecContext *avctx, void *data,
297 int *got_frame_ptr, AVPacket *avpkt)
299 const uint8_t *src = avpkt->data;
300 int buf_size = avpkt->size;
301 PCMDecode *s = avctx->priv_data;
302 AVFrame *frame = data;
303 int sample_size, c, n, ret, samples_per_block;
305 int32_t *dst_int32_t;
307 sample_size = av_get_bits_per_sample(avctx->codec_id) / 8;
309 /* av_get_bits_per_sample returns 0 for AV_CODEC_ID_PCM_DVD */
310 samples_per_block = 1;
311 if (AV_CODEC_ID_PCM_DVD == avctx->codec_id) {
312 if (avctx->bits_per_coded_sample != 20 &&
313 avctx->bits_per_coded_sample != 24) {
314 av_log(avctx, AV_LOG_ERROR,
315 "PCM DVD unsupported sample depth %i\n",
316 avctx->bits_per_coded_sample);
317 return AVERROR(EINVAL);
319 /* 2 samples are interleaved per block in PCM_DVD */
320 samples_per_block = 2;
321 sample_size = avctx->bits_per_coded_sample * 2 / 8;
322 } else if (avctx->codec_id == AV_CODEC_ID_PCM_LXF) {
323 /* we process 40-bit blocks per channel for LXF */
324 samples_per_block = 2;
328 if (sample_size == 0) {
329 av_log(avctx, AV_LOG_ERROR, "Invalid sample_size\n");
330 return AVERROR(EINVAL);
333 if (avctx->channels == 0) {
334 av_log(avctx, AV_LOG_ERROR, "Invalid number of channels\n");
335 return AVERROR(EINVAL);
338 if (avctx->codec_id != avctx->codec->id) {
339 av_log(avctx, AV_LOG_ERROR, "codec ids mismatch\n");
340 return AVERROR(EINVAL);
343 n = avctx->channels * sample_size;
345 if (n && buf_size % n) {
347 av_log(avctx, AV_LOG_ERROR,
348 "Invalid PCM packet, data has size %d but at least a size of %d was expected\n",
350 return AVERROR_INVALIDDATA;
352 buf_size -= buf_size % n;
355 n = buf_size / sample_size;
357 /* get output buffer */
358 frame->nb_samples = n * samples_per_block / avctx->channels;
359 if ((ret = ff_get_buffer(avctx, frame, 0)) < 0)
361 samples = frame->data[0];
363 switch (avctx->codec_id) {
364 case AV_CODEC_ID_PCM_U32LE:
365 DECODE(32, le32, src, samples, n, 0, 0x80000000)
367 case AV_CODEC_ID_PCM_U32BE:
368 DECODE(32, be32, src, samples, n, 0, 0x80000000)
370 case AV_CODEC_ID_PCM_S24LE:
371 DECODE(32, le24, src, samples, n, 8, 0)
373 case AV_CODEC_ID_PCM_S24LE_PLANAR:
374 DECODE_PLANAR(32, le24, src, samples, n, 8, 0);
376 case AV_CODEC_ID_PCM_S24BE:
377 DECODE(32, be24, src, samples, n, 8, 0)
379 case AV_CODEC_ID_PCM_U24LE:
380 DECODE(32, le24, src, samples, n, 8, 0x800000)
382 case AV_CODEC_ID_PCM_U24BE:
383 DECODE(32, be24, src, samples, n, 8, 0x800000)
385 case AV_CODEC_ID_PCM_S24DAUD:
387 uint32_t v = bytestream_get_be24(&src);
388 v >>= 4; // sync flags are here
389 AV_WN16A(samples, ff_reverse[(v >> 8) & 0xff] +
390 (ff_reverse[v & 0xff] << 8));
394 case AV_CODEC_ID_PCM_U16LE:
395 DECODE(16, le16, src, samples, n, 0, 0x8000)
397 case AV_CODEC_ID_PCM_U16BE:
398 DECODE(16, be16, src, samples, n, 0, 0x8000)
400 case AV_CODEC_ID_PCM_S8:
402 *samples++ = *src++ + 128;
404 case AV_CODEC_ID_PCM_S8_PLANAR:
405 n /= avctx->channels;
406 for (c = 0; c < avctx->channels; c++) {
408 samples = frame->extended_data[c];
409 for (i = n; i > 0; i--)
410 *samples++ = *src++ + 128;
414 case AV_CODEC_ID_PCM_F64LE:
415 DECODE(64, le64, src, samples, n, 0, 0)
417 case AV_CODEC_ID_PCM_S32LE:
418 case AV_CODEC_ID_PCM_F32LE:
419 DECODE(32, le32, src, samples, n, 0, 0)
421 case AV_CODEC_ID_PCM_S32LE_PLANAR:
422 DECODE_PLANAR(32, le32, src, samples, n, 0, 0);
424 case AV_CODEC_ID_PCM_S16LE:
425 DECODE(16, le16, src, samples, n, 0, 0)
427 case AV_CODEC_ID_PCM_S16LE_PLANAR:
428 DECODE_PLANAR(16, le16, src, samples, n, 0, 0);
430 case AV_CODEC_ID_PCM_F64BE:
431 case AV_CODEC_ID_PCM_F32BE:
432 case AV_CODEC_ID_PCM_S32BE:
433 case AV_CODEC_ID_PCM_S16BE:
435 case AV_CODEC_ID_PCM_F64BE:
436 DECODE(64, be64, src, samples, n, 0, 0)
438 case AV_CODEC_ID_PCM_F32BE:
439 case AV_CODEC_ID_PCM_S32BE:
440 DECODE(32, be32, src, samples, n, 0, 0)
442 case AV_CODEC_ID_PCM_S16BE:
443 DECODE(16, be16, src, samples, n, 0, 0)
445 case AV_CODEC_ID_PCM_S16BE_PLANAR:
446 DECODE_PLANAR(16, be16, src, samples, n, 0, 0);
448 case AV_CODEC_ID_PCM_F64LE:
449 case AV_CODEC_ID_PCM_F32LE:
450 case AV_CODEC_ID_PCM_S32LE:
451 case AV_CODEC_ID_PCM_S16LE:
452 #endif /* HAVE_BIGENDIAN */
453 case AV_CODEC_ID_PCM_U8:
454 memcpy(samples, src, n * sample_size);
457 case AV_CODEC_ID_PCM_S16BE_PLANAR:
459 case AV_CODEC_ID_PCM_S16LE_PLANAR:
460 case AV_CODEC_ID_PCM_S32LE_PLANAR:
461 #endif /* HAVE_BIGENDIAN */
462 n /= avctx->channels;
463 for (c = 0; c < avctx->channels; c++) {
464 samples = frame->extended_data[c];
465 bytestream_get_buffer(&src, samples, n * sample_size);
468 case AV_CODEC_ID_PCM_ZORK:
476 case AV_CODEC_ID_PCM_ALAW:
477 case AV_CODEC_ID_PCM_MULAW:
479 AV_WN16A(samples, s->table[*src++]);
483 case AV_CODEC_ID_PCM_DVD:
486 dst_int32_t = (int32_t *)frame->data[0];
487 n /= avctx->channels;
488 switch (avctx->bits_per_coded_sample) {
494 *dst_int32_t++ = (bytestream_get_be16(&src) << 16) + ((*src8 & 0xf0) << 8);
495 *dst_int32_t++ = (bytestream_get_be16(&src) << 16) + ((*src8++ & 0x0f) << 12);
505 *dst_int32_t++ = (bytestream_get_be16(&src) << 16) + ((*src8++) << 8);
506 *dst_int32_t++ = (bytestream_get_be16(&src) << 16) + ((*src8++) << 8);
514 case AV_CODEC_ID_PCM_LXF:
517 n /= avctx->channels;
518 for (c = 0; c < avctx->channels; c++) {
519 dst_int32_t = (int32_t *)frame->extended_data[c];
520 for (i = 0; i < n; i++) {
521 // extract low 20 bits and expand to 32 bits
522 *dst_int32_t++ = (src[2] << 28) |
525 ((src[2] & 0x0F) << 8) |
527 // extract high 20 bits and expand to 32 bits
528 *dst_int32_t++ = (src[4] << 24) |
530 ((src[2] & 0xF0) << 8) |
547 #define PCM_ENCODER_0(id_, sample_fmt_, name_, long_name_)
548 #define PCM_ENCODER_1(id_, sample_fmt_, name_, long_name_) \
549 AVCodec ff_ ## name_ ## _encoder = { \
551 .type = AVMEDIA_TYPE_AUDIO, \
552 .id = AV_CODEC_ID_ ## id_, \
553 .init = pcm_encode_init, \
554 .encode2 = pcm_encode_frame, \
555 .close = pcm_encode_close, \
556 .capabilities = CODEC_CAP_VARIABLE_FRAME_SIZE, \
557 .sample_fmts = (const enum AVSampleFormat[]){ sample_fmt_, \
558 AV_SAMPLE_FMT_NONE }, \
559 .long_name = NULL_IF_CONFIG_SMALL(long_name_), \
562 #define PCM_ENCODER_2(cf, id, sample_fmt, name, long_name) \
563 PCM_ENCODER_ ## cf(id, sample_fmt, name, long_name)
564 #define PCM_ENCODER_3(cf, id, sample_fmt, name, long_name) \
565 PCM_ENCODER_2(cf, id, sample_fmt, name, long_name)
566 #define PCM_ENCODER(id, sample_fmt, name, long_name) \
567 PCM_ENCODER_3(CONFIG_ ## id ## _ENCODER, id, sample_fmt, name, long_name)
569 #define PCM_DECODER_0(id, sample_fmt, name, long_name)
570 #define PCM_DECODER_1(id_, sample_fmt_, name_, long_name_) \
571 AVCodec ff_ ## name_ ## _decoder = { \
573 .type = AVMEDIA_TYPE_AUDIO, \
574 .id = AV_CODEC_ID_ ## id_, \
575 .priv_data_size = sizeof(PCMDecode), \
576 .init = pcm_decode_init, \
577 .decode = pcm_decode_frame, \
578 .capabilities = CODEC_CAP_DR1, \
579 .sample_fmts = (const enum AVSampleFormat[]){ sample_fmt_, \
580 AV_SAMPLE_FMT_NONE }, \
581 .long_name = NULL_IF_CONFIG_SMALL(long_name_), \
584 #define PCM_DECODER_2(cf, id, sample_fmt, name, long_name) \
585 PCM_DECODER_ ## cf(id, sample_fmt, name, long_name)
586 #define PCM_DECODER_3(cf, id, sample_fmt, name, long_name) \
587 PCM_DECODER_2(cf, id, sample_fmt, name, long_name)
588 #define PCM_DECODER(id, sample_fmt, name, long_name) \
589 PCM_DECODER_3(CONFIG_ ## id ## _DECODER, id, sample_fmt, name, long_name)
591 #define PCM_CODEC(id, sample_fmt_, name, long_name_) \
592 PCM_ENCODER(id, sample_fmt_, name, long_name_); \
593 PCM_DECODER(id, sample_fmt_, name, long_name_)
595 /* Note: Do not forget to add new entries to the Makefile as well. */
596 PCM_CODEC (PCM_ALAW, AV_SAMPLE_FMT_S16, pcm_alaw, "PCM A-law / G.711 A-law");
597 PCM_DECODER(PCM_DVD, AV_SAMPLE_FMT_S32, pcm_dvd, "PCM signed 20|24-bit big-endian");
598 PCM_CODEC (PCM_F32BE, AV_SAMPLE_FMT_FLT, pcm_f32be, "PCM 32-bit floating point big-endian");
599 PCM_CODEC (PCM_F32LE, AV_SAMPLE_FMT_FLT, pcm_f32le, "PCM 32-bit floating point little-endian");
600 PCM_CODEC (PCM_F64BE, AV_SAMPLE_FMT_DBL, pcm_f64be, "PCM 64-bit floating point big-endian");
601 PCM_CODEC (PCM_F64LE, AV_SAMPLE_FMT_DBL, pcm_f64le, "PCM 64-bit floating point little-endian");
602 PCM_DECODER(PCM_LXF, AV_SAMPLE_FMT_S32P,pcm_lxf, "PCM signed 20-bit little-endian planar");
603 PCM_CODEC (PCM_MULAW, AV_SAMPLE_FMT_S16, pcm_mulaw, "PCM mu-law / G.711 mu-law");
604 PCM_CODEC (PCM_S8, AV_SAMPLE_FMT_U8, pcm_s8, "PCM signed 8-bit");
605 PCM_CODEC (PCM_S8_PLANAR, AV_SAMPLE_FMT_U8P, pcm_s8_planar, "PCM signed 8-bit planar");
606 PCM_CODEC (PCM_S16BE, AV_SAMPLE_FMT_S16, pcm_s16be, "PCM signed 16-bit big-endian");
607 PCM_CODEC (PCM_S16BE_PLANAR, AV_SAMPLE_FMT_S16P,pcm_s16be_planar, "PCM signed 16-bit big-endian planar");
608 PCM_CODEC (PCM_S16LE, AV_SAMPLE_FMT_S16, pcm_s16le, "PCM signed 16-bit little-endian");
609 PCM_CODEC (PCM_S16LE_PLANAR, AV_SAMPLE_FMT_S16P,pcm_s16le_planar, "PCM signed 16-bit little-endian planar");
610 PCM_CODEC (PCM_S24BE, AV_SAMPLE_FMT_S32, pcm_s24be, "PCM signed 24-bit big-endian");
611 PCM_CODEC (PCM_S24DAUD, AV_SAMPLE_FMT_S16, pcm_s24daud, "PCM D-Cinema audio signed 24-bit");
612 PCM_CODEC (PCM_S24LE, AV_SAMPLE_FMT_S32, pcm_s24le, "PCM signed 24-bit little-endian");
613 PCM_CODEC (PCM_S24LE_PLANAR, AV_SAMPLE_FMT_S32P,pcm_s24le_planar, "PCM signed 24-bit little-endian planar");
614 PCM_CODEC (PCM_S32BE, AV_SAMPLE_FMT_S32, pcm_s32be, "PCM signed 32-bit big-endian");
615 PCM_CODEC (PCM_S32LE, AV_SAMPLE_FMT_S32, pcm_s32le, "PCM signed 32-bit little-endian");
616 PCM_CODEC (PCM_S32LE_PLANAR, AV_SAMPLE_FMT_S32P,pcm_s32le_planar, "PCM signed 32-bit little-endian planar");
617 PCM_CODEC (PCM_U8, AV_SAMPLE_FMT_U8, pcm_u8, "PCM unsigned 8-bit");
618 PCM_CODEC (PCM_U16BE, AV_SAMPLE_FMT_S16, pcm_u16be, "PCM unsigned 16-bit big-endian");
619 PCM_CODEC (PCM_U16LE, AV_SAMPLE_FMT_S16, pcm_u16le, "PCM unsigned 16-bit little-endian");
620 PCM_CODEC (PCM_U24BE, AV_SAMPLE_FMT_S32, pcm_u24be, "PCM unsigned 24-bit big-endian");
621 PCM_CODEC (PCM_U24LE, AV_SAMPLE_FMT_S32, pcm_u24le, "PCM unsigned 24-bit little-endian");
622 PCM_CODEC (PCM_U32BE, AV_SAMPLE_FMT_S32, pcm_u32be, "PCM unsigned 32-bit big-endian");
623 PCM_CODEC (PCM_U32LE, AV_SAMPLE_FMT_S32, pcm_u32le, "PCM unsigned 32-bit little-endian");
624 PCM_DECODER(PCM_ZORK, AV_SAMPLE_FMT_U8, pcm_zork, "PCM Zork");