libxvid: remove useless doxy comments.
[libav.git] / libavcodec / pcm.c
CommitLineData
a96b68b7
FB
1/*
2 * PCM codecs
406792e7 3 * Copyright (c) 2001 Fabrice Bellard
a96b68b7 4 *
2912e87a 5 * This file is part of Libav.
b78e7197 6 *
2912e87a 7 * Libav is free software; you can redistribute it and/or
ff4ec49e
FB
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
b78e7197 10 * version 2.1 of the License, or (at your option) any later version.
a96b68b7 11 *
2912e87a 12 * Libav is distributed in the hope that it will be useful,
a96b68b7 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
ff4ec49e
FB
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
a96b68b7 16 *
ff4ec49e 17 * You should have received a copy of the GNU Lesser General Public
2912e87a 18 * License along with Libav; if not, write to the Free Software
5509bffa 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
a96b68b7 20 */
115329f1 21
1ab3d669 22/**
ba87f080 23 * @file
1ab3d669
MN
24 * PCM codecs
25 */
115329f1 26
d5c62122 27#include "libavutil/attributes.h"
6d21f498 28#include "avcodec.h"
5a2f421a 29#include "bytestream.h"
05f95443 30#include "internal.h"
d5c62122 31#include "mathops.h"
fa034b44 32#include "pcm_tablegen.h"
a96b68b7 33
725d86bf
AJ
34#define MAX_CHANNELS 64
35
98a6fff9 36static av_cold int pcm_encode_init(AVCodecContext *avctx)
a96b68b7 37{
56f22b7e 38 avctx->frame_size = 0;
6d21f498 39 switch (avctx->codec->id) {
36ef5369 40 case AV_CODEC_ID_PCM_ALAW:
fa034b44 41 pcm_alaw_tableinit();
a96b68b7 42 break;
36ef5369 43 case AV_CODEC_ID_PCM_MULAW:
fa034b44 44 pcm_ulaw_tableinit();
a96b68b7
FB
45 break;
46 default:
47 break;
48 }
115329f1 49
dd1c8f3e 50 avctx->bits_per_coded_sample = av_get_bits_per_sample(avctx->codec->id);
6d21f498 51 avctx->block_align = avctx->channels * avctx->bits_per_coded_sample / 8;
7d7b40f4 52 avctx->bit_rate = avctx->block_align * avctx->sample_rate * 8;
6d21f498 53 avctx->coded_frame = avcodec_alloc_frame();
a8bdf240
JR
54 if (!avctx->coded_frame)
55 return AVERROR(ENOMEM);
115329f1 56
a96b68b7
FB
57 return 0;
58}
59
98a6fff9 60static av_cold int pcm_encode_close(AVCodecContext *avctx)
a96b68b7 61{
492cd3a9
MN
62 av_freep(&avctx->coded_frame);
63
a96b68b7
FB
64 return 0;
65}
66
b461b3bc 67/**
3ee573a3 68 * Write PCM samples macro
6d21f498 69 * @param type Datatype of native machine format
3ee573a3 70 * @param endian bytestream_put_xxx() suffix
6d21f498
AD
71 * @param src Source pointer (variable name)
72 * @param dst Destination pointer (variable name)
73 * @param n Total number of samples (variable name)
74 * @param shift Bitshift (bits)
3ee573a3
PR
75 * @param offset Sample value offset
76 */
6d21f498
AD
77#define ENCODE(type, endian, src, dst, n, shift, offset) \
78 samples_ ## type = (const type *) src; \
79 for (; n > 0; n--) { \
80 register type v = (*samples_ ## type++ >> shift) + offset; \
81 bytestream_put_ ## endian(&dst, v); \
5e8ecfde 82 }
3ee573a3 83
05f95443
JR
84static int pcm_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
85 const AVFrame *frame, int *got_packet_ptr)
a96b68b7 86{
05f95443 87 int n, sample_size, v, ret;
edac49da 88 const short *samples;
a96b68b7 89 unsigned char *dst;
edac49da
RD
90 const uint8_t *srcu8;
91 const int16_t *samples_int16_t;
92 const int32_t *samples_int32_t;
93 const int64_t *samples_int64_t;
94 const uint16_t *samples_uint16_t;
95 const uint32_t *samples_uint32_t;
a96b68b7 96
6d21f498 97 sample_size = av_get_bits_per_sample(avctx->codec->id) / 8;
05f95443
JR
98 n = frame->nb_samples * avctx->channels;
99 samples = (const short *)frame->data[0];
100
101 if ((ret = ff_alloc_packet(avpkt, n * sample_size))) {
102 av_log(avctx, AV_LOG_ERROR, "Error getting output packet\n");
103 return ret;
104 }
105 dst = avpkt->data;
a96b68b7 106
6d21f498 107 switch (avctx->codec->id) {
36ef5369 108 case AV_CODEC_ID_PCM_U32LE:
5e8ecfde 109 ENCODE(uint32_t, le32, samples, dst, n, 0, 0x80000000)
b461b3bc 110 break;
36ef5369 111 case AV_CODEC_ID_PCM_U32BE:
5e8ecfde 112 ENCODE(uint32_t, be32, samples, dst, n, 0, 0x80000000)
b461b3bc 113 break;
36ef5369 114 case AV_CODEC_ID_PCM_S24LE:
5e8ecfde 115 ENCODE(int32_t, le24, samples, dst, n, 8, 0)
b461b3bc 116 break;
36ef5369 117 case AV_CODEC_ID_PCM_S24BE:
5e8ecfde 118 ENCODE(int32_t, be24, samples, dst, n, 8, 0)
b461b3bc 119 break;
36ef5369 120 case AV_CODEC_ID_PCM_U24LE:
5e8ecfde 121 ENCODE(uint32_t, le24, samples, dst, n, 8, 0x800000)
b461b3bc 122 break;
36ef5369 123 case AV_CODEC_ID_PCM_U24BE:
5e8ecfde 124 ENCODE(uint32_t, be24, samples, dst, n, 8, 0x800000)
b461b3bc 125 break;
36ef5369 126 case AV_CODEC_ID_PCM_S24DAUD:
6d21f498 127 for (; n > 0; n--) {
d5c62122
DB
128 uint32_t tmp = ff_reverse[(*samples >> 8) & 0xff] +
129 (ff_reverse[*samples & 0xff] << 8);
b461b3bc 130 tmp <<= 4; // sync flags would go here
5a2f421a 131 bytestream_put_be24(&dst, tmp);
b461b3bc 132 samples++;
b461b3bc
RD
133 }
134 break;
36ef5369 135 case AV_CODEC_ID_PCM_U16LE:
5e8ecfde 136 ENCODE(uint16_t, le16, samples, dst, n, 0, 0x8000)
a96b68b7 137 break;
36ef5369 138 case AV_CODEC_ID_PCM_U16BE:
5e8ecfde 139 ENCODE(uint16_t, be16, samples, dst, n, 0, 0x8000)
a96b68b7 140 break;
36ef5369 141 case AV_CODEC_ID_PCM_S8:
05f95443 142 srcu8 = frame->data[0];
6d21f498
AD
143 for (; n > 0; n--) {
144 v = *srcu8++;
5e8ecfde 145 *dst++ = v - 128;
a96b68b7
FB
146 }
147 break;
63613fe6 148#if HAVE_BIGENDIAN
36ef5369 149 case AV_CODEC_ID_PCM_F64LE:
143a5d6f
PR
150 ENCODE(int64_t, le64, samples, dst, n, 0, 0)
151 break;
36ef5369
AK
152 case AV_CODEC_ID_PCM_S32LE:
153 case AV_CODEC_ID_PCM_F32LE:
38a1c7f2
PR
154 ENCODE(int32_t, le32, samples, dst, n, 0, 0)
155 break;
36ef5369 156 case AV_CODEC_ID_PCM_S16LE:
38a1c7f2
PR
157 ENCODE(int16_t, le16, samples, dst, n, 0, 0)
158 break;
36ef5369
AK
159 case AV_CODEC_ID_PCM_F64BE:
160 case AV_CODEC_ID_PCM_F32BE:
161 case AV_CODEC_ID_PCM_S32BE:
162 case AV_CODEC_ID_PCM_S16BE:
38a1c7f2 163#else
36ef5369 164 case AV_CODEC_ID_PCM_F64BE:
143a5d6f
PR
165 ENCODE(int64_t, be64, samples, dst, n, 0, 0)
166 break;
36ef5369
AK
167 case AV_CODEC_ID_PCM_F32BE:
168 case AV_CODEC_ID_PCM_S32BE:
38a1c7f2
PR
169 ENCODE(int32_t, be32, samples, dst, n, 0, 0)
170 break;
36ef5369 171 case AV_CODEC_ID_PCM_S16BE:
38a1c7f2
PR
172 ENCODE(int16_t, be16, samples, dst, n, 0, 0)
173 break;
36ef5369
AK
174 case AV_CODEC_ID_PCM_F64LE:
175 case AV_CODEC_ID_PCM_F32LE:
176 case AV_CODEC_ID_PCM_S32LE:
177 case AV_CODEC_ID_PCM_S16LE:
63613fe6 178#endif /* HAVE_BIGENDIAN */
36ef5369 179 case AV_CODEC_ID_PCM_U8:
6d21f498
AD
180 memcpy(dst, samples, n * sample_size);
181 dst += n * sample_size;
a96b68b7 182 break;
36ef5369 183 case AV_CODEC_ID_PCM_ALAW:
6d21f498
AD
184 for (; n > 0; n--) {
185 v = *samples++;
a4461664 186 *dst++ = linear_to_alaw[(v + 32768) >> 2];
a96b68b7
FB
187 }
188 break;
36ef5369 189 case AV_CODEC_ID_PCM_MULAW:
6d21f498
AD
190 for (; n > 0; n--) {
191 v = *samples++;
a4461664 192 *dst++ = linear_to_ulaw[(v + 32768) >> 2];
a96b68b7
FB
193 }
194 break;
195 default:
196 return -1;
197 }
4c3d2e5f 198
05f95443
JR
199 *got_packet_ptr = 1;
200 return 0;
a96b68b7
FB
201}
202
203typedef struct PCMDecode {
0eea2129 204 AVFrame frame;
6d21f498 205 short table[256];
a96b68b7
FB
206} PCMDecode;
207
6d21f498 208static av_cold int pcm_decode_init(AVCodecContext *avctx)
a96b68b7
FB
209{
210 PCMDecode *s = avctx->priv_data;
211 int i;
212
d94e29ca
JR
213 if (avctx->channels <= 0 || avctx->channels > MAX_CHANNELS) {
214 av_log(avctx, AV_LOG_ERROR, "PCM channels out of bounds\n");
215 return AVERROR(EINVAL);
216 }
217
6d21f498 218 switch (avctx->codec->id) {
36ef5369 219 case AV_CODEC_ID_PCM_ALAW:
6d21f498 220 for (i = 0; i < 256; i++)
a96b68b7
FB
221 s->table[i] = alaw2linear(i);
222 break;
36ef5369 223 case AV_CODEC_ID_PCM_MULAW:
6d21f498 224 for (i = 0; i < 256; i++)
a96b68b7
FB
225 s->table[i] = ulaw2linear(i);
226 break;
227 default:
228 break;
229 }
aa29709e 230
0fd7e57e 231 avctx->sample_fmt = avctx->codec->sample_fmts[0];
4dbcfa6f 232
5d6e4c16 233 if (avctx->sample_fmt == AV_SAMPLE_FMT_S32)
4dbcfa6f
JR
234 avctx->bits_per_raw_sample = av_get_bits_per_sample(avctx->codec->id);
235
0eea2129
JR
236 avcodec_get_frame_defaults(&s->frame);
237 avctx->coded_frame = &s->frame;
238
a96b68b7
FB
239 return 0;
240}
241
b461b3bc 242/**
3ee573a3 243 * Read PCM samples macro
6d21f498 244 * @param size Data size of native machine format
3ee573a3 245 * @param endian bytestream_get_xxx() endian suffix
6d21f498
AD
246 * @param src Source pointer (variable name)
247 * @param dst Destination pointer (variable name)
248 * @param n Total number of samples (variable name)
249 * @param shift Bitshift (bits)
3ee573a3
PR
250 * @param offset Sample value offset
251 */
6d21f498
AD
252#define DECODE(size, endian, src, dst, n, shift, offset) \
253 for (; n > 0; n--) { \
254 uint ## size ## _t v = bytestream_get_ ## endian(&src); \
255 AV_WN ## size ## A(dst, (v - offset) << shift); \
256 dst += size / 8; \
b45eb9d6 257 }
3ee573a3 258
0eea2129
JR
259static int pcm_decode_frame(AVCodecContext *avctx, void *data,
260 int *got_frame_ptr, AVPacket *avpkt)
a96b68b7 261{
0093f96d 262 const uint8_t *src = avpkt->data;
6d21f498
AD
263 int buf_size = avpkt->size;
264 PCMDecode *s = avctx->priv_data;
0eea2129 265 int sample_size, c, n, ret, samples_per_block;
b45eb9d6 266 uint8_t *samples;
5e8ecfde 267 int32_t *dst_int32_t;
a96b68b7 268
6d21f498 269 sample_size = av_get_bits_per_sample(avctx->codec_id) / 8;
ff66caab 270
36ef5369 271 /* av_get_bits_per_sample returns 0 for AV_CODEC_ID_PCM_DVD */
0eea2129 272 samples_per_block = 1;
36ef5369 273 if (AV_CODEC_ID_PCM_DVD == avctx->codec_id) {
381e195b
JR
274 if (avctx->bits_per_coded_sample != 20 &&
275 avctx->bits_per_coded_sample != 24) {
276 av_log(avctx, AV_LOG_ERROR, "PCM DVD unsupported sample depth\n");
277 return AVERROR(EINVAL);
278 }
1472b7dd 279 /* 2 samples are interleaved per block in PCM_DVD */
0eea2129 280 samples_per_block = 2;
6d21f498 281 sample_size = avctx->bits_per_coded_sample * 2 / 8;
36ef5369 282 } else if (avctx->codec_id == AV_CODEC_ID_PCM_LXF) {
fbeabfca 283 /* we process 40-bit blocks per channel for LXF */
0eea2129 284 samples_per_block = 2;
6d21f498 285 sample_size = 5;
0eea2129 286 }
2cd04cf9 287
e048a9ca
DK
288 if (sample_size == 0) {
289 av_log(avctx, AV_LOG_ERROR, "Invalid sample_size\n");
290 return AVERROR(EINVAL);
291 }
292
2cd04cf9 293 n = avctx->channels * sample_size;
1472b7dd 294
6d21f498 295 if (n && buf_size % n) {
012e4f5a 296 if (buf_size < n) {
34365443
MN
297 av_log(avctx, AV_LOG_ERROR, "invalid PCM packet\n");
298 return -1;
6d21f498 299 } else
012e4f5a 300 buf_size -= buf_size % n;
1472b7dd
LT
301 }
302
6d21f498 303 n = buf_size / sample_size;
725d86bf 304
0eea2129
JR
305 /* get output buffer */
306 s->frame.nb_samples = n * samples_per_block / avctx->channels;
307 if ((ret = avctx->get_buffer(avctx, &s->frame)) < 0) {
308 av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
309 return ret;
f1901180 310 }
0eea2129 311 samples = s->frame.data[0];
f1901180 312
6d21f498 313 switch (avctx->codec->id) {
36ef5369 314 case AV_CODEC_ID_PCM_U32LE:
b45eb9d6 315 DECODE(32, le32, src, samples, n, 0, 0x80000000)
b461b3bc 316 break;
36ef5369 317 case AV_CODEC_ID_PCM_U32BE:
b45eb9d6 318 DECODE(32, be32, src, samples, n, 0, 0x80000000)
b461b3bc 319 break;
36ef5369 320 case AV_CODEC_ID_PCM_S24LE:
b45eb9d6 321 DECODE(32, le24, src, samples, n, 8, 0)
b461b3bc 322 break;
36ef5369 323 case AV_CODEC_ID_PCM_S24BE:
b45eb9d6 324 DECODE(32, be24, src, samples, n, 8, 0)
b461b3bc 325 break;
36ef5369 326 case AV_CODEC_ID_PCM_U24LE:
b45eb9d6 327 DECODE(32, le24, src, samples, n, 8, 0x800000)
b461b3bc 328 break;
36ef5369 329 case AV_CODEC_ID_PCM_U24BE:
b45eb9d6 330 DECODE(32, be24, src, samples, n, 8, 0x800000)
b461b3bc 331 break;
36ef5369 332 case AV_CODEC_ID_PCM_S24DAUD:
6d21f498
AD
333 for (; n > 0; n--) {
334 uint32_t v = bytestream_get_be24(&src);
335 v >>= 4; // sync flags are here
d5c62122
DB
336 AV_WN16A(samples, ff_reverse[(v >> 8) & 0xff] +
337 (ff_reverse[v & 0xff] << 8));
6d21f498 338 samples += 2;
b461b3bc
RD
339 }
340 break;
36ef5369 341 case AV_CODEC_ID_PCM_S16LE_PLANAR:
154cd253
JR
342 {
343 const uint8_t *src2[MAX_CHANNELS];
ff66caab 344 n /= avctx->channels;
6d21f498
AD
345 for (c = 0; c < avctx->channels; c++)
346 src2[c] = &src[c * n * 2];
347 for (; n > 0; n--)
348 for (c = 0; c < avctx->channels; c++) {
b45eb9d6
MR
349 AV_WN16A(samples, bytestream_get_le16(&src2[c]));
350 samples += 2;
351 }
725d86bf 352 break;
154cd253 353 }
36ef5369 354 case AV_CODEC_ID_PCM_U16LE:
b45eb9d6 355 DECODE(16, le16, src, samples, n, 0, 0x8000)
a96b68b7 356 break;
36ef5369 357 case AV_CODEC_ID_PCM_U16BE:
b45eb9d6 358 DECODE(16, be16, src, samples, n, 0, 0x8000)
a96b68b7 359 break;
36ef5369 360 case AV_CODEC_ID_PCM_S8:
6d21f498 361 for (; n > 0; n--)
b45eb9d6 362 *samples++ = *src++ + 128;
a96b68b7 363 break;
63613fe6 364#if HAVE_BIGENDIAN
36ef5369 365 case AV_CODEC_ID_PCM_F64LE:
b45eb9d6 366 DECODE(64, le64, src, samples, n, 0, 0)
143a5d6f 367 break;
36ef5369
AK
368 case AV_CODEC_ID_PCM_S32LE:
369 case AV_CODEC_ID_PCM_F32LE:
b45eb9d6 370 DECODE(32, le32, src, samples, n, 0, 0)
38a1c7f2 371 break;
36ef5369 372 case AV_CODEC_ID_PCM_S16LE:
b45eb9d6 373 DECODE(16, le16, src, samples, n, 0, 0)
38a1c7f2 374 break;
36ef5369
AK
375 case AV_CODEC_ID_PCM_F64BE:
376 case AV_CODEC_ID_PCM_F32BE:
377 case AV_CODEC_ID_PCM_S32BE:
378 case AV_CODEC_ID_PCM_S16BE:
38a1c7f2 379#else
36ef5369 380 case AV_CODEC_ID_PCM_F64BE:
b45eb9d6 381 DECODE(64, be64, src, samples, n, 0, 0)
143a5d6f 382 break;
36ef5369
AK
383 case AV_CODEC_ID_PCM_F32BE:
384 case AV_CODEC_ID_PCM_S32BE:
b45eb9d6 385 DECODE(32, be32, src, samples, n, 0, 0)
38a1c7f2 386 break;
36ef5369 387 case AV_CODEC_ID_PCM_S16BE:
b45eb9d6 388 DECODE(16, be16, src, samples, n, 0, 0)
38a1c7f2 389 break;
36ef5369
AK
390 case AV_CODEC_ID_PCM_F64LE:
391 case AV_CODEC_ID_PCM_F32LE:
392 case AV_CODEC_ID_PCM_S32LE:
393 case AV_CODEC_ID_PCM_S16LE:
63613fe6 394#endif /* HAVE_BIGENDIAN */
36ef5369 395 case AV_CODEC_ID_PCM_U8:
6d21f498 396 memcpy(samples, src, n * sample_size);
a96b68b7 397 break;
36ef5369 398 case AV_CODEC_ID_PCM_ZORK:
67a3b67c
JR
399 for (; n > 0; n--) {
400 int v = *src++;
401 if (v < 128)
402 v = 128 - v;
403 *samples++ = v;
a11c2a2c
MN
404 }
405 break;
36ef5369
AK
406 case AV_CODEC_ID_PCM_ALAW:
407 case AV_CODEC_ID_PCM_MULAW:
6d21f498 408 for (; n > 0; n--) {
b45eb9d6
MR
409 AV_WN16A(samples, s->table[*src++]);
410 samples += 2;
a96b68b7
FB
411 }
412 break;
36ef5369 413 case AV_CODEC_ID_PCM_DVD:
154cd253
JR
414 {
415 const uint8_t *src8;
0eea2129 416 dst_int32_t = (int32_t *)s->frame.data[0];
0cdc6ec9 417 n /= avctx->channels;
dd1c8f3e 418 switch (avctx->bits_per_coded_sample) {
0cdc6ec9 419 case 20:
1472b7dd 420 while (n--) {
6d21f498
AD
421 c = avctx->channels;
422 src8 = src + 4 * c;
0cdc6ec9 423 while (c--) {
6d21f498
AD
424 *dst_int32_t++ = (bytestream_get_be16(&src) << 16) + ((*src8 & 0xf0) << 8);
425 *dst_int32_t++ = (bytestream_get_be16(&src) << 16) + ((*src8++ & 0x0f) << 12);
0cdc6ec9
PR
426 }
427 src = src8;
1472b7dd 428 }
0cdc6ec9
PR
429 break;
430 case 24:
431 while (n--) {
6d21f498
AD
432 c = avctx->channels;
433 src8 = src + 4 * c;
0cdc6ec9
PR
434 while (c--) {
435 *dst_int32_t++ = (bytestream_get_be16(&src) << 16) + ((*src8++) << 8);
436 *dst_int32_t++ = (bytestream_get_be16(&src) << 16) + ((*src8++) << 8);
437 }
438 src = src8;
439 }
440 break;
1472b7dd
LT
441 }
442 break;
154cd253 443 }
36ef5369 444 case AV_CODEC_ID_PCM_LXF:
154cd253
JR
445 {
446 int i;
fbeabfca 447 n /= avctx->channels;
7e5f0450
JR
448 for (c = 0; c < avctx->channels; c++) {
449 dst_int32_t = (int32_t *)s->frame.extended_data[c];
450 for (i = 0; i < n; i++) {
6d21f498 451 // extract low 20 bits and expand to 32 bits
7e5f0450
JR
452 *dst_int32_t++ = (src[2] << 28) |
453 (src[1] << 20) |
454 (src[0] << 12) |
455 ((src[2] & 0x0F) << 8) |
456 src[1];
6d21f498 457 // extract high 20 bits and expand to 32 bits
7e5f0450
JR
458 *dst_int32_t++ = (src[4] << 24) |
459 (src[3] << 16) |
460 ((src[2] & 0xF0) << 8) |
461 (src[4] << 4) |
462 (src[3] >> 4);
463 src += 5;
fbeabfca
TH
464 }
465 }
fbeabfca 466 break;
154cd253 467 }
a96b68b7 468 default:
a96b68b7
FB
469 return -1;
470 }
0eea2129
JR
471
472 *got_frame_ptr = 1;
473 *(AVFrame *)data = s->frame;
474
0093f96d 475 return buf_size;
a96b68b7
FB
476}
477
b250f9c6 478#if CONFIG_ENCODERS
6d21f498
AD
479#define PCM_ENCODER(id_, sample_fmt_, name_, long_name_) \
480AVCodec ff_ ## name_ ## _encoder = { \
481 .name = #name_, \
482 .type = AVMEDIA_TYPE_AUDIO, \
483 .id = id_, \
484 .init = pcm_encode_init, \
485 .encode2 = pcm_encode_frame, \
486 .close = pcm_encode_close, \
487 .capabilities = CODEC_CAP_VARIABLE_FRAME_SIZE, \
488 .sample_fmts = (const enum AVSampleFormat[]){ sample_fmt_, \
489 AV_SAMPLE_FMT_NONE }, \
490 .long_name = NULL_IF_CONFIG_SMALL(long_name_), \
44adbebe 491}
2b045c9c 492#else
6d21f498 493#define PCM_ENCODER(id, sample_fmt_, name, long_name_)
2b045c9c
AJ
494#endif
495
b250f9c6 496#if CONFIG_DECODERS
6d21f498
AD
497#define PCM_DECODER(id_, sample_fmt_, name_, long_name_) \
498AVCodec ff_ ## name_ ## _decoder = { \
499 .name = #name_, \
500 .type = AVMEDIA_TYPE_AUDIO, \
501 .id = id_, \
502 .priv_data_size = sizeof(PCMDecode), \
503 .init = pcm_decode_init, \
504 .decode = pcm_decode_frame, \
505 .capabilities = CODEC_CAP_DR1, \
506 .sample_fmts = (const enum AVSampleFormat[]){ sample_fmt_, \
507 AV_SAMPLE_FMT_NONE }, \
508 .long_name = NULL_IF_CONFIG_SMALL(long_name_), \
44adbebe 509}
2b045c9c 510#else
6d21f498 511#define PCM_DECODER(id, sample_fmt_, name, long_name_)
2b045c9c
AJ
512#endif
513
6d21f498
AD
514#define PCM_CODEC(id, sample_fmt_, name, long_name_) \
515 PCM_ENCODER(id, sample_fmt_, name, long_name_); \
516 PCM_DECODER(id, sample_fmt_, name, long_name_)
44caa86d 517
bbdfa06d 518/* Note: Do not forget to add new entries to the Makefile as well. */
36ef5369
AK
519PCM_CODEC (AV_CODEC_ID_PCM_ALAW, AV_SAMPLE_FMT_S16, pcm_alaw, "PCM A-law");
520PCM_DECODER(AV_CODEC_ID_PCM_DVD, AV_SAMPLE_FMT_S32, pcm_dvd, "PCM signed 20|24-bit big-endian");
521PCM_CODEC (AV_CODEC_ID_PCM_F32BE, AV_SAMPLE_FMT_FLT, pcm_f32be, "PCM 32-bit floating point big-endian");
522PCM_CODEC (AV_CODEC_ID_PCM_F32LE, AV_SAMPLE_FMT_FLT, pcm_f32le, "PCM 32-bit floating point little-endian");
523PCM_CODEC (AV_CODEC_ID_PCM_F64BE, AV_SAMPLE_FMT_DBL, pcm_f64be, "PCM 64-bit floating point big-endian");
524PCM_CODEC (AV_CODEC_ID_PCM_F64LE, AV_SAMPLE_FMT_DBL, pcm_f64le, "PCM 64-bit floating point little-endian");
7e5f0450 525PCM_DECODER(AV_CODEC_ID_PCM_LXF, AV_SAMPLE_FMT_S32P, pcm_lxf, "PCM signed 20-bit little-endian planar");
36ef5369
AK
526PCM_CODEC (AV_CODEC_ID_PCM_MULAW, AV_SAMPLE_FMT_S16, pcm_mulaw, "PCM mu-law");
527PCM_CODEC (AV_CODEC_ID_PCM_S8, AV_SAMPLE_FMT_U8, pcm_s8, "PCM signed 8-bit");
528PCM_CODEC (AV_CODEC_ID_PCM_S16BE, AV_SAMPLE_FMT_S16, pcm_s16be, "PCM signed 16-bit big-endian");
529PCM_CODEC (AV_CODEC_ID_PCM_S16LE, AV_SAMPLE_FMT_S16, pcm_s16le, "PCM signed 16-bit little-endian");
530PCM_DECODER(AV_CODEC_ID_PCM_S16LE_PLANAR, AV_SAMPLE_FMT_S16, pcm_s16le_planar, "PCM 16-bit little-endian planar");
531PCM_CODEC (AV_CODEC_ID_PCM_S24BE, AV_SAMPLE_FMT_S32, pcm_s24be, "PCM signed 24-bit big-endian");
532PCM_CODEC (AV_CODEC_ID_PCM_S24DAUD, AV_SAMPLE_FMT_S16, pcm_s24daud, "PCM D-Cinema audio signed 24-bit");
533PCM_CODEC (AV_CODEC_ID_PCM_S24LE, AV_SAMPLE_FMT_S32, pcm_s24le, "PCM signed 24-bit little-endian");
534PCM_CODEC (AV_CODEC_ID_PCM_S32BE, AV_SAMPLE_FMT_S32, pcm_s32be, "PCM signed 32-bit big-endian");
535PCM_CODEC (AV_CODEC_ID_PCM_S32LE, AV_SAMPLE_FMT_S32, pcm_s32le, "PCM signed 32-bit little-endian");
536PCM_CODEC (AV_CODEC_ID_PCM_U8, AV_SAMPLE_FMT_U8, pcm_u8, "PCM unsigned 8-bit");
537PCM_CODEC (AV_CODEC_ID_PCM_U16BE, AV_SAMPLE_FMT_S16, pcm_u16be, "PCM unsigned 16-bit big-endian");
538PCM_CODEC (AV_CODEC_ID_PCM_U16LE, AV_SAMPLE_FMT_S16, pcm_u16le, "PCM unsigned 16-bit little-endian");
539PCM_CODEC (AV_CODEC_ID_PCM_U24BE, AV_SAMPLE_FMT_S32, pcm_u24be, "PCM unsigned 24-bit big-endian");
540PCM_CODEC (AV_CODEC_ID_PCM_U24LE, AV_SAMPLE_FMT_S32, pcm_u24le, "PCM unsigned 24-bit little-endian");
541PCM_CODEC (AV_CODEC_ID_PCM_U32BE, AV_SAMPLE_FMT_S32, pcm_u32be, "PCM unsigned 32-bit big-endian");
542PCM_CODEC (AV_CODEC_ID_PCM_U32LE, AV_SAMPLE_FMT_S32, pcm_u32le, "PCM unsigned 32-bit little-endian");
543PCM_DECODER(AV_CODEC_ID_PCM_ZORK, AV_SAMPLE_FMT_U8, pcm_zork, "PCM Zork");