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;
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
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); \
72 #define ENCODE_PLANAR(type, endian, dst, n, shift, offset) \
73 n /= avctx->channels; \
74 for (c = 0; c < avctx->channels; c++) { \
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); \
83 static int pcm_encode_frame(AVCodecContext
*avctx
, AVPacket
*avpkt
,
84 const AVFrame
*frame
, int *got_packet_ptr
)
86 int n
, c
, sample_size
, v
, ret
;
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
;
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];
100 if ((ret
= ff_alloc_packet2(avctx
, avpkt
, n
* sample_size
)) < 0)
104 switch (avctx
->codec
->id
) {
105 case AV_CODEC_ID_PCM_U32LE
:
106 ENCODE(uint32_t, le32
, samples
, dst
, n
, 0, 0x80000000)
108 case AV_CODEC_ID_PCM_U32BE
:
109 ENCODE(uint32_t, be32
, samples
, dst
, n
, 0, 0x80000000)
111 case AV_CODEC_ID_PCM_S24LE
:
112 ENCODE(int32_t, le24
, samples
, dst
, n
, 8, 0)
114 case AV_CODEC_ID_PCM_S24LE_PLANAR
:
115 ENCODE_PLANAR(int32_t, le24
, dst
, n
, 8, 0)
117 case AV_CODEC_ID_PCM_S24BE
:
118 ENCODE(int32_t, be24
, samples
, dst
, n
, 8, 0)
120 case AV_CODEC_ID_PCM_U24LE
:
121 ENCODE(uint32_t, le24
, samples
, dst
, n
, 8, 0x800000)
123 case AV_CODEC_ID_PCM_U24BE
:
124 ENCODE(uint32_t, be24
, samples
, dst
, n
, 8, 0x800000)
126 case AV_CODEC_ID_PCM_S24DAUD
:
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
);
135 case AV_CODEC_ID_PCM_U16LE
:
136 ENCODE(uint16_t, le16
, samples
, dst
, n
, 0, 0x8000)
138 case AV_CODEC_ID_PCM_U16BE
:
139 ENCODE(uint16_t, be16
, samples
, dst
, n
, 0, 0x8000)
141 case AV_CODEC_ID_PCM_S8
:
142 ENCODE(uint8_t, byte
, samples
, dst
, n
, 0, -128)
144 case AV_CODEC_ID_PCM_S8_PLANAR
:
145 ENCODE_PLANAR(uint8_t, byte
, dst
, n
, 0, -128)
148 case AV_CODEC_ID_PCM_F64LE
:
149 ENCODE(int64_t, le64
, samples
, dst
, n
, 0, 0)
151 case AV_CODEC_ID_PCM_S32LE
:
152 case AV_CODEC_ID_PCM_F32LE
:
153 ENCODE(int32_t, le32
, samples
, dst
, n
, 0, 0)
155 case AV_CODEC_ID_PCM_S32LE_PLANAR
:
156 ENCODE_PLANAR(int32_t, le32
, dst
, n
, 0, 0)
158 case AV_CODEC_ID_PCM_S16LE
:
159 ENCODE(int16_t, le16
, samples
, dst
, n
, 0, 0)
161 case AV_CODEC_ID_PCM_S16LE_PLANAR
:
162 ENCODE_PLANAR(int16_t, le16
, dst
, n
, 0, 0)
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
:
169 case AV_CODEC_ID_PCM_F64BE
:
170 ENCODE(int64_t, be64
, samples
, dst
, n
, 0, 0)
172 case AV_CODEC_ID_PCM_F32BE
:
173 case AV_CODEC_ID_PCM_S32BE
:
174 ENCODE(int32_t, be32
, samples
, dst
, n
, 0, 0)
176 case AV_CODEC_ID_PCM_S16BE
:
177 ENCODE(int16_t, be16
, samples
, dst
, n
, 0, 0)
179 case AV_CODEC_ID_PCM_S16BE_PLANAR
:
180 ENCODE_PLANAR(int16_t, be16
, dst
, n
, 0, 0)
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
);
191 case AV_CODEC_ID_PCM_S16BE_PLANAR
:
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
);
202 case AV_CODEC_ID_PCM_ALAW
:
205 *dst
++ = linear_to_alaw
[(v
+ 32768) >> 2];
208 case AV_CODEC_ID_PCM_MULAW
:
211 *dst
++ = linear_to_ulaw
[(v
+ 32768) >> 2];
222 typedef struct PCMDecode
{
226 static av_cold
int pcm_decode_init(AVCodecContext
*avctx
)
228 PCMDecode
*s
= avctx
->priv_data
;
231 if (avctx
->channels
<= 0) {
232 av_log(avctx
, AV_LOG_ERROR
, "PCM channels out of bounds\n");
233 return AVERROR(EINVAL
);
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
);
241 case AV_CODEC_ID_PCM_MULAW
:
242 for (i
= 0; i
< 256; i
++)
243 s
->table
[i
] = ulaw2linear(i
);
249 avctx
->sample_fmt
= avctx
->codec
->sample_fmts
[0];
251 if (avctx
->sample_fmt
== AV_SAMPLE_FMT_S32
)
252 avctx
->bits_per_raw_sample
= av_get_bits_per_sample(avctx
->codec_id
);
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
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); \
274 #define DECODE_PLANAR(size, endian, src, dst, n, shift, offset) \
275 n /= avctx->channels; \
276 for (c = 0; c < avctx->channels; c++) { \
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); \
286 static int pcm_decode_frame(AVCodecContext
*avctx
, void *data
,
287 int *got_frame_ptr
, AVPacket
*avpkt
)
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
;
295 int32_t *dst_int32_t
;
297 sample_size
= av_get_bits_per_sample(avctx
->codec_id
) / 8;
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;
307 if (sample_size
== 0) {
308 av_log(avctx
, AV_LOG_ERROR
, "Invalid sample_size\n");
309 return AVERROR(EINVAL
);
312 if (avctx
->channels
== 0) {
313 av_log(avctx
, AV_LOG_ERROR
, "Invalid number of channels\n");
314 return AVERROR(EINVAL
);
317 if (avctx
->codec_id
!= avctx
->codec
->id
) {
318 av_log(avctx
, AV_LOG_ERROR
, "codec ids mismatch\n");
319 return AVERROR(EINVAL
);
322 n
= avctx
->channels
* sample_size
;
324 if (n
&& 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",
329 return AVERROR_INVALIDDATA
;
331 buf_size
-= buf_size
% n
;
334 n
= buf_size
/ sample_size
;
336 /* get output buffer */
337 frame
->nb_samples
= n
* samples_per_block
/ avctx
->channels
;
338 if ((ret
= ff_get_buffer(avctx
, frame
, 0)) < 0)
340 samples
= frame
->data
[0];
342 switch (avctx
->codec_id
) {
343 case AV_CODEC_ID_PCM_U32LE
:
344 DECODE(32, le32
, src
, samples
, n
, 0, 0x80000000)
346 case AV_CODEC_ID_PCM_U32BE
:
347 DECODE(32, be32
, src
, samples
, n
, 0, 0x80000000)
349 case AV_CODEC_ID_PCM_S24LE
:
350 DECODE(32, le24
, src
, samples
, n
, 8, 0)
352 case AV_CODEC_ID_PCM_S24LE_PLANAR
:
353 DECODE_PLANAR(32, le24
, src
, samples
, n
, 8, 0);
355 case AV_CODEC_ID_PCM_S24BE
:
356 DECODE(32, be24
, src
, samples
, n
, 8, 0)
358 case AV_CODEC_ID_PCM_U24LE
:
359 DECODE(32, le24
, src
, samples
, n
, 8, 0x800000)
361 case AV_CODEC_ID_PCM_U24BE
:
362 DECODE(32, be24
, src
, samples
, n
, 8, 0x800000)
364 case AV_CODEC_ID_PCM_S24DAUD
:
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));
373 case AV_CODEC_ID_PCM_U16LE
:
374 DECODE(16, le16
, src
, samples
, n
, 0, 0x8000)
376 case AV_CODEC_ID_PCM_U16BE
:
377 DECODE(16, be16
, src
, samples
, n
, 0, 0x8000)
379 case AV_CODEC_ID_PCM_S8
:
381 *samples
++ = *src
++ + 128;
383 case AV_CODEC_ID_PCM_S8_PLANAR
:
384 n
/= avctx
->channels
;
385 for (c
= 0; c
< avctx
->channels
; c
++) {
387 samples
= frame
->extended_data
[c
];
388 for (i
= n
; i
> 0; i
--)
389 *samples
++ = *src
++ + 128;
393 case AV_CODEC_ID_PCM_F64LE
:
394 DECODE(64, le64
, src
, samples
, n
, 0, 0)
396 case AV_CODEC_ID_PCM_S32LE
:
397 case AV_CODEC_ID_PCM_F32LE
:
398 DECODE(32, le32
, src
, samples
, n
, 0, 0)
400 case AV_CODEC_ID_PCM_S32LE_PLANAR
:
401 DECODE_PLANAR(32, le32
, src
, samples
, n
, 0, 0);
403 case AV_CODEC_ID_PCM_S16LE
:
404 DECODE(16, le16
, src
, samples
, n
, 0, 0)
406 case AV_CODEC_ID_PCM_S16LE_PLANAR
:
407 DECODE_PLANAR(16, le16
, src
, samples
, n
, 0, 0);
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
:
414 case AV_CODEC_ID_PCM_F64BE
:
415 DECODE(64, be64
, src
, samples
, n
, 0, 0)
417 case AV_CODEC_ID_PCM_F32BE
:
418 case AV_CODEC_ID_PCM_S32BE
:
419 DECODE(32, be32
, src
, samples
, n
, 0, 0)
421 case AV_CODEC_ID_PCM_S16BE
:
422 DECODE(16, be16
, src
, samples
, n
, 0, 0)
424 case AV_CODEC_ID_PCM_S16BE_PLANAR
:
425 DECODE_PLANAR(16, be16
, src
, samples
, n
, 0, 0);
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
);
436 case AV_CODEC_ID_PCM_S16BE_PLANAR
:
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
);
447 case AV_CODEC_ID_PCM_ZORK
:
455 case AV_CODEC_ID_PCM_ALAW
:
456 case AV_CODEC_ID_PCM_MULAW
:
458 AV_WN16A(samples
, s
->table
[*src
++]);
462 case AV_CODEC_ID_PCM_LXF
:
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) |
473 ((src
[2] & 0x0F) << 8) |
475 // extract high 20 bits and expand to 32 bits
476 *dst_int32_t
++ = (src
[4] << 24) |
478 ((src
[2] & 0xF0) << 8) |
495 #define PCM_ENCODER_0(id_, sample_fmt_, name_, long_name_)
496 #define PCM_ENCODER_1(id_, sample_fmt_, name_, long_name_) \
497 AVCodec ff_ ## name_ ## _encoder = { \
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 }, \
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)
516 #define PCM_DECODER_0(id, sample_fmt, name, long_name)
517 #define PCM_DECODER_1(id_, sample_fmt_, name_, long_name_) \
518 AVCodec ff_ ## name_ ## _decoder = { \
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 }, \
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)
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_)
542 /* Note: Do not forget to add new entries to the Makefile as well. */
543 PCM_CODEC (PCM_ALAW
, AV_SAMPLE_FMT_S16
, pcm_alaw
, "PCM A-law / G.711 A-law");
544 PCM_CODEC (PCM_F32BE
, AV_SAMPLE_FMT_FLT
, pcm_f32be
, "PCM 32-bit floating point big-endian");
545 PCM_CODEC (PCM_F32LE
, AV_SAMPLE_FMT_FLT
, pcm_f32le
, "PCM 32-bit floating point little-endian");
546 PCM_CODEC (PCM_F64BE
, AV_SAMPLE_FMT_DBL
, pcm_f64be
, "PCM 64-bit floating point big-endian");
547 PCM_CODEC (PCM_F64LE
, AV_SAMPLE_FMT_DBL
, pcm_f64le
, "PCM 64-bit floating point little-endian");
548 PCM_DECODER(PCM_LXF
, AV_SAMPLE_FMT_S32P
,pcm_lxf
, "PCM signed 20-bit little-endian planar");
549 PCM_CODEC (PCM_MULAW
, AV_SAMPLE_FMT_S16
, pcm_mulaw
, "PCM mu-law / G.711 mu-law");
550 PCM_CODEC (PCM_S8
, AV_SAMPLE_FMT_U8
, pcm_s8
, "PCM signed 8-bit");
551 PCM_CODEC (PCM_S8_PLANAR
, AV_SAMPLE_FMT_U8P
, pcm_s8_planar
, "PCM signed 8-bit planar");
552 PCM_CODEC (PCM_S16BE
, AV_SAMPLE_FMT_S16
, pcm_s16be
, "PCM signed 16-bit big-endian");
553 PCM_CODEC (PCM_S16BE_PLANAR
, AV_SAMPLE_FMT_S16P
,pcm_s16be_planar
, "PCM signed 16-bit big-endian planar");
554 PCM_CODEC (PCM_S16LE
, AV_SAMPLE_FMT_S16
, pcm_s16le
, "PCM signed 16-bit little-endian");
555 PCM_CODEC (PCM_S16LE_PLANAR
, AV_SAMPLE_FMT_S16P
,pcm_s16le_planar
, "PCM signed 16-bit little-endian planar");
556 PCM_CODEC (PCM_S24BE
, AV_SAMPLE_FMT_S32
, pcm_s24be
, "PCM signed 24-bit big-endian");
557 PCM_CODEC (PCM_S24DAUD
, AV_SAMPLE_FMT_S16
, pcm_s24daud
, "PCM D-Cinema audio signed 24-bit");
558 PCM_CODEC (PCM_S24LE
, AV_SAMPLE_FMT_S32
, pcm_s24le
, "PCM signed 24-bit little-endian");
559 PCM_CODEC (PCM_S24LE_PLANAR
, AV_SAMPLE_FMT_S32P
,pcm_s24le_planar
, "PCM signed 24-bit little-endian planar");
560 PCM_CODEC (PCM_S32BE
, AV_SAMPLE_FMT_S32
, pcm_s32be
, "PCM signed 32-bit big-endian");
561 PCM_CODEC (PCM_S32LE
, AV_SAMPLE_FMT_S32
, pcm_s32le
, "PCM signed 32-bit little-endian");
562 PCM_CODEC (PCM_S32LE_PLANAR
, AV_SAMPLE_FMT_S32P
,pcm_s32le_planar
, "PCM signed 32-bit little-endian planar");
563 PCM_CODEC (PCM_U8
, AV_SAMPLE_FMT_U8
, pcm_u8
, "PCM unsigned 8-bit");
564 PCM_CODEC (PCM_U16BE
, AV_SAMPLE_FMT_S16
, pcm_u16be
, "PCM unsigned 16-bit big-endian");
565 PCM_CODEC (PCM_U16LE
, AV_SAMPLE_FMT_S16
, pcm_u16le
, "PCM unsigned 16-bit little-endian");
566 PCM_CODEC (PCM_U24BE
, AV_SAMPLE_FMT_S32
, pcm_u24be
, "PCM unsigned 24-bit big-endian");
567 PCM_CODEC (PCM_U24LE
, AV_SAMPLE_FMT_S32
, pcm_u24le
, "PCM unsigned 24-bit little-endian");
568 PCM_CODEC (PCM_U32BE
, AV_SAMPLE_FMT_S32
, pcm_u32be
, "PCM unsigned 32-bit big-endian");
569 PCM_CODEC (PCM_U32LE
, AV_SAMPLE_FMT_S32
, pcm_u32le
, "PCM unsigned 32-bit little-endian");
570 PCM_DECODER(PCM_ZORK
, AV_SAMPLE_FMT_U8
, pcm_zork
, "PCM Zork");