lavc: add AV prefix to codec ids.
[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
91cc5d37 27#include "libavutil/common.h" /* for av_reverse */
6d21f498 28#include "avcodec.h"
5a2f421a 29#include "bytestream.h"
05f95443 30#include "internal.h"
fa034b44 31#include "pcm_tablegen.h"
a96b68b7 32
725d86bf
AJ
33#define MAX_CHANNELS 64
34
98a6fff9 35static av_cold int pcm_encode_init(AVCodecContext *avctx)
a96b68b7 36{
56f22b7e 37 avctx->frame_size = 0;
6d21f498 38 switch (avctx->codec->id) {
a96b68b7 39 case CODEC_ID_PCM_ALAW:
fa034b44 40 pcm_alaw_tableinit();
a96b68b7
FB
41 break;
42 case CODEC_ID_PCM_MULAW:
fa034b44 43 pcm_ulaw_tableinit();
a96b68b7
FB
44 break;
45 default:
46 break;
47 }
115329f1 48
dd1c8f3e 49 avctx->bits_per_coded_sample = av_get_bits_per_sample(avctx->codec->id);
6d21f498 50 avctx->block_align = avctx->channels * avctx->bits_per_coded_sample / 8;
7d7b40f4 51 avctx->bit_rate = avctx->block_align * avctx->sample_rate * 8;
6d21f498 52 avctx->coded_frame = avcodec_alloc_frame();
a8bdf240
JR
53 if (!avctx->coded_frame)
54 return AVERROR(ENOMEM);
115329f1 55
a96b68b7
FB
56 return 0;
57}
58
98a6fff9 59static av_cold int pcm_encode_close(AVCodecContext *avctx)
a96b68b7 60{
492cd3a9
MN
61 av_freep(&avctx->coded_frame);
62
a96b68b7
FB
63 return 0;
64}
65
b461b3bc 66/**
3ee573a3 67 * Write PCM samples macro
6d21f498 68 * @param type Datatype of native machine format
3ee573a3 69 * @param endian bytestream_put_xxx() suffix
6d21f498
AD
70 * @param src Source pointer (variable name)
71 * @param dst Destination pointer (variable name)
72 * @param n Total number of samples (variable name)
73 * @param shift Bitshift (bits)
3ee573a3
PR
74 * @param offset Sample value offset
75 */
6d21f498
AD
76#define ENCODE(type, endian, src, dst, n, shift, offset) \
77 samples_ ## type = (const type *) src; \
78 for (; n > 0; n--) { \
79 register type v = (*samples_ ## type++ >> shift) + offset; \
80 bytestream_put_ ## endian(&dst, v); \
5e8ecfde 81 }
3ee573a3 82
05f95443
JR
83static int pcm_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
84 const AVFrame *frame, int *got_packet_ptr)
a96b68b7 85{
05f95443 86 int n, sample_size, v, ret;
edac49da 87 const short *samples;
a96b68b7 88 unsigned char *dst;
edac49da
RD
89 const uint8_t *srcu8;
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;
a96b68b7 95
6d21f498 96 sample_size = av_get_bits_per_sample(avctx->codec->id) / 8;
05f95443
JR
97 n = frame->nb_samples * avctx->channels;
98 samples = (const short *)frame->data[0];
99
100 if ((ret = ff_alloc_packet(avpkt, n * sample_size))) {
101 av_log(avctx, AV_LOG_ERROR, "Error getting output packet\n");
102 return ret;
103 }
104 dst = avpkt->data;
a96b68b7 105
6d21f498 106 switch (avctx->codec->id) {
b461b3bc 107 case CODEC_ID_PCM_U32LE:
5e8ecfde 108 ENCODE(uint32_t, le32, samples, dst, n, 0, 0x80000000)
b461b3bc
RD
109 break;
110 case CODEC_ID_PCM_U32BE:
5e8ecfde 111 ENCODE(uint32_t, be32, samples, dst, n, 0, 0x80000000)
b461b3bc
RD
112 break;
113 case CODEC_ID_PCM_S24LE:
5e8ecfde 114 ENCODE(int32_t, le24, samples, dst, n, 8, 0)
b461b3bc
RD
115 break;
116 case CODEC_ID_PCM_S24BE:
5e8ecfde 117 ENCODE(int32_t, be24, samples, dst, n, 8, 0)
b461b3bc
RD
118 break;
119 case CODEC_ID_PCM_U24LE:
5e8ecfde 120 ENCODE(uint32_t, le24, samples, dst, n, 8, 0x800000)
b461b3bc
RD
121 break;
122 case CODEC_ID_PCM_U24BE:
5e8ecfde 123 ENCODE(uint32_t, be24, samples, dst, n, 8, 0x800000)
b461b3bc
RD
124 break;
125 case CODEC_ID_PCM_S24DAUD:
6d21f498 126 for (; n > 0; n--) {
91cc5d37
FL
127 uint32_t tmp = av_reverse[(*samples >> 8) & 0xff] +
128 (av_reverse[*samples & 0xff] << 8);
b461b3bc 129 tmp <<= 4; // sync flags would go here
5a2f421a 130 bytestream_put_be24(&dst, tmp);
b461b3bc 131 samples++;
b461b3bc
RD
132 }
133 break;
a96b68b7 134 case CODEC_ID_PCM_U16LE:
5e8ecfde 135 ENCODE(uint16_t, le16, samples, dst, n, 0, 0x8000)
a96b68b7
FB
136 break;
137 case CODEC_ID_PCM_U16BE:
5e8ecfde 138 ENCODE(uint16_t, be16, samples, dst, n, 0, 0x8000)
a96b68b7
FB
139 break;
140 case CODEC_ID_PCM_S8:
05f95443 141 srcu8 = frame->data[0];
6d21f498
AD
142 for (; n > 0; n--) {
143 v = *srcu8++;
5e8ecfde 144 *dst++ = v - 128;
a96b68b7
FB
145 }
146 break;
63613fe6 147#if HAVE_BIGENDIAN
143a5d6f
PR
148 case CODEC_ID_PCM_F64LE:
149 ENCODE(int64_t, le64, samples, dst, n, 0, 0)
150 break;
38a1c7f2 151 case CODEC_ID_PCM_S32LE:
143a5d6f 152 case CODEC_ID_PCM_F32LE:
38a1c7f2
PR
153 ENCODE(int32_t, le32, samples, dst, n, 0, 0)
154 break;
155 case CODEC_ID_PCM_S16LE:
156 ENCODE(int16_t, le16, samples, dst, n, 0, 0)
157 break;
143a5d6f 158 case CODEC_ID_PCM_F64BE:
38a1c7f2
PR
159 case CODEC_ID_PCM_F32BE:
160 case CODEC_ID_PCM_S32BE:
161 case CODEC_ID_PCM_S16BE:
162#else
143a5d6f
PR
163 case CODEC_ID_PCM_F64BE:
164 ENCODE(int64_t, be64, samples, dst, n, 0, 0)
165 break;
38a1c7f2
PR
166 case CODEC_ID_PCM_F32BE:
167 case CODEC_ID_PCM_S32BE:
168 ENCODE(int32_t, be32, samples, dst, n, 0, 0)
169 break;
170 case CODEC_ID_PCM_S16BE:
171 ENCODE(int16_t, be16, samples, dst, n, 0, 0)
172 break;
143a5d6f
PR
173 case CODEC_ID_PCM_F64LE:
174 case CODEC_ID_PCM_F32LE:
38a1c7f2
PR
175 case CODEC_ID_PCM_S32LE:
176 case CODEC_ID_PCM_S16LE:
63613fe6 177#endif /* HAVE_BIGENDIAN */
a96b68b7 178 case CODEC_ID_PCM_U8:
6d21f498
AD
179 memcpy(dst, samples, n * sample_size);
180 dst += n * sample_size;
a96b68b7
FB
181 break;
182 case CODEC_ID_PCM_ALAW:
6d21f498
AD
183 for (; n > 0; n--) {
184 v = *samples++;
a4461664 185 *dst++ = linear_to_alaw[(v + 32768) >> 2];
a96b68b7
FB
186 }
187 break;
188 case CODEC_ID_PCM_MULAW:
6d21f498
AD
189 for (; n > 0; n--) {
190 v = *samples++;
a4461664 191 *dst++ = linear_to_ulaw[(v + 32768) >> 2];
a96b68b7
FB
192 }
193 break;
194 default:
195 return -1;
196 }
4c3d2e5f 197
05f95443
JR
198 *got_packet_ptr = 1;
199 return 0;
a96b68b7
FB
200}
201
202typedef struct PCMDecode {
0eea2129 203 AVFrame frame;
6d21f498 204 short table[256];
a96b68b7
FB
205} PCMDecode;
206
6d21f498 207static av_cold int pcm_decode_init(AVCodecContext *avctx)
a96b68b7
FB
208{
209 PCMDecode *s = avctx->priv_data;
210 int i;
211
d94e29ca
JR
212 if (avctx->channels <= 0 || avctx->channels > MAX_CHANNELS) {
213 av_log(avctx, AV_LOG_ERROR, "PCM channels out of bounds\n");
214 return AVERROR(EINVAL);
215 }
216
6d21f498 217 switch (avctx->codec->id) {
a96b68b7 218 case CODEC_ID_PCM_ALAW:
6d21f498 219 for (i = 0; i < 256; i++)
a96b68b7
FB
220 s->table[i] = alaw2linear(i);
221 break;
222 case CODEC_ID_PCM_MULAW:
6d21f498 223 for (i = 0; i < 256; i++)
a96b68b7
FB
224 s->table[i] = ulaw2linear(i);
225 break;
226 default:
227 break;
228 }
aa29709e 229
0fd7e57e 230 avctx->sample_fmt = avctx->codec->sample_fmts[0];
4dbcfa6f 231
5d6e4c16 232 if (avctx->sample_fmt == AV_SAMPLE_FMT_S32)
4dbcfa6f
JR
233 avctx->bits_per_raw_sample = av_get_bits_per_sample(avctx->codec->id);
234
0eea2129
JR
235 avcodec_get_frame_defaults(&s->frame);
236 avctx->coded_frame = &s->frame;
237
a96b68b7
FB
238 return 0;
239}
240
b461b3bc 241/**
3ee573a3 242 * Read PCM samples macro
6d21f498 243 * @param size Data size of native machine format
3ee573a3 244 * @param endian bytestream_get_xxx() endian suffix
6d21f498
AD
245 * @param src Source pointer (variable name)
246 * @param dst Destination pointer (variable name)
247 * @param n Total number of samples (variable name)
248 * @param shift Bitshift (bits)
3ee573a3
PR
249 * @param offset Sample value offset
250 */
6d21f498
AD
251#define DECODE(size, endian, src, dst, n, shift, offset) \
252 for (; n > 0; n--) { \
253 uint ## size ## _t v = bytestream_get_ ## endian(&src); \
254 AV_WN ## size ## A(dst, (v - offset) << shift); \
255 dst += size / 8; \
b45eb9d6 256 }
3ee573a3 257
0eea2129
JR
258static int pcm_decode_frame(AVCodecContext *avctx, void *data,
259 int *got_frame_ptr, AVPacket *avpkt)
a96b68b7 260{
0093f96d 261 const uint8_t *src = avpkt->data;
6d21f498
AD
262 int buf_size = avpkt->size;
263 PCMDecode *s = avctx->priv_data;
0eea2129 264 int sample_size, c, n, ret, samples_per_block;
b45eb9d6 265 uint8_t *samples;
5e8ecfde 266 int32_t *dst_int32_t;
a96b68b7 267
6d21f498 268 sample_size = av_get_bits_per_sample(avctx->codec_id) / 8;
ff66caab 269
1472b7dd 270 /* av_get_bits_per_sample returns 0 for CODEC_ID_PCM_DVD */
0eea2129 271 samples_per_block = 1;
381e195b
JR
272 if (CODEC_ID_PCM_DVD == avctx->codec_id) {
273 if (avctx->bits_per_coded_sample != 20 &&
274 avctx->bits_per_coded_sample != 24) {
275 av_log(avctx, AV_LOG_ERROR, "PCM DVD unsupported sample depth\n");
276 return AVERROR(EINVAL);
277 }
1472b7dd 278 /* 2 samples are interleaved per block in PCM_DVD */
0eea2129 279 samples_per_block = 2;
6d21f498 280 sample_size = avctx->bits_per_coded_sample * 2 / 8;
0eea2129 281 } else if (avctx->codec_id == CODEC_ID_PCM_LXF) {
fbeabfca 282 /* we process 40-bit blocks per channel for LXF */
0eea2129 283 samples_per_block = 2;
6d21f498 284 sample_size = 5;
0eea2129 285 }
2cd04cf9 286
e048a9ca
DK
287 if (sample_size == 0) {
288 av_log(avctx, AV_LOG_ERROR, "Invalid sample_size\n");
289 return AVERROR(EINVAL);
290 }
291
2cd04cf9 292 n = avctx->channels * sample_size;
1472b7dd 293
6d21f498 294 if (n && buf_size % n) {
012e4f5a 295 if (buf_size < n) {
34365443
MN
296 av_log(avctx, AV_LOG_ERROR, "invalid PCM packet\n");
297 return -1;
6d21f498 298 } else
012e4f5a 299 buf_size -= buf_size % n;
1472b7dd
LT
300 }
301
6d21f498 302 n = buf_size / sample_size;
725d86bf 303
0eea2129
JR
304 /* get output buffer */
305 s->frame.nb_samples = n * samples_per_block / avctx->channels;
306 if ((ret = avctx->get_buffer(avctx, &s->frame)) < 0) {
307 av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
308 return ret;
f1901180 309 }
0eea2129 310 samples = s->frame.data[0];
f1901180 311
6d21f498 312 switch (avctx->codec->id) {
b461b3bc 313 case CODEC_ID_PCM_U32LE:
b45eb9d6 314 DECODE(32, le32, src, samples, n, 0, 0x80000000)
b461b3bc
RD
315 break;
316 case CODEC_ID_PCM_U32BE:
b45eb9d6 317 DECODE(32, be32, src, samples, n, 0, 0x80000000)
b461b3bc
RD
318 break;
319 case CODEC_ID_PCM_S24LE:
b45eb9d6 320 DECODE(32, le24, src, samples, n, 8, 0)
b461b3bc
RD
321 break;
322 case CODEC_ID_PCM_S24BE:
b45eb9d6 323 DECODE(32, be24, src, samples, n, 8, 0)
b461b3bc
RD
324 break;
325 case CODEC_ID_PCM_U24LE:
b45eb9d6 326 DECODE(32, le24, src, samples, n, 8, 0x800000)
b461b3bc
RD
327 break;
328 case CODEC_ID_PCM_U24BE:
b45eb9d6 329 DECODE(32, be24, src, samples, n, 8, 0x800000)
b461b3bc
RD
330 break;
331 case CODEC_ID_PCM_S24DAUD:
6d21f498
AD
332 for (; n > 0; n--) {
333 uint32_t v = bytestream_get_be24(&src);
334 v >>= 4; // sync flags are here
335 AV_WN16A(samples, av_reverse[(v >> 8) & 0xff] +
336 (av_reverse[v & 0xff] << 8));
337 samples += 2;
b461b3bc
RD
338 }
339 break;
725d86bf 340 case CODEC_ID_PCM_S16LE_PLANAR:
154cd253
JR
341 {
342 const uint8_t *src2[MAX_CHANNELS];
ff66caab 343 n /= avctx->channels;
6d21f498
AD
344 for (c = 0; c < avctx->channels; c++)
345 src2[c] = &src[c * n * 2];
346 for (; n > 0; n--)
347 for (c = 0; c < avctx->channels; c++) {
b45eb9d6
MR
348 AV_WN16A(samples, bytestream_get_le16(&src2[c]));
349 samples += 2;
350 }
725d86bf 351 break;
154cd253 352 }
a96b68b7 353 case CODEC_ID_PCM_U16LE:
b45eb9d6 354 DECODE(16, le16, src, samples, n, 0, 0x8000)
a96b68b7
FB
355 break;
356 case CODEC_ID_PCM_U16BE:
b45eb9d6 357 DECODE(16, be16, src, samples, n, 0, 0x8000)
a96b68b7
FB
358 break;
359 case CODEC_ID_PCM_S8:
6d21f498 360 for (; n > 0; n--)
b45eb9d6 361 *samples++ = *src++ + 128;
a96b68b7 362 break;
63613fe6 363#if HAVE_BIGENDIAN
143a5d6f 364 case CODEC_ID_PCM_F64LE:
b45eb9d6 365 DECODE(64, le64, src, samples, n, 0, 0)
143a5d6f 366 break;
38a1c7f2 367 case CODEC_ID_PCM_S32LE:
143a5d6f 368 case CODEC_ID_PCM_F32LE:
b45eb9d6 369 DECODE(32, le32, src, samples, n, 0, 0)
38a1c7f2
PR
370 break;
371 case CODEC_ID_PCM_S16LE:
b45eb9d6 372 DECODE(16, le16, src, samples, n, 0, 0)
38a1c7f2 373 break;
143a5d6f 374 case CODEC_ID_PCM_F64BE:
38a1c7f2
PR
375 case CODEC_ID_PCM_F32BE:
376 case CODEC_ID_PCM_S32BE:
377 case CODEC_ID_PCM_S16BE:
378#else
143a5d6f 379 case CODEC_ID_PCM_F64BE:
b45eb9d6 380 DECODE(64, be64, src, samples, n, 0, 0)
143a5d6f 381 break;
38a1c7f2
PR
382 case CODEC_ID_PCM_F32BE:
383 case CODEC_ID_PCM_S32BE:
b45eb9d6 384 DECODE(32, be32, src, samples, n, 0, 0)
38a1c7f2
PR
385 break;
386 case CODEC_ID_PCM_S16BE:
b45eb9d6 387 DECODE(16, be16, src, samples, n, 0, 0)
38a1c7f2 388 break;
143a5d6f
PR
389 case CODEC_ID_PCM_F64LE:
390 case CODEC_ID_PCM_F32LE:
38a1c7f2
PR
391 case CODEC_ID_PCM_S32LE:
392 case CODEC_ID_PCM_S16LE:
63613fe6 393#endif /* HAVE_BIGENDIAN */
a96b68b7 394 case CODEC_ID_PCM_U8:
6d21f498 395 memcpy(samples, src, n * sample_size);
a96b68b7 396 break;
a11c2a2c 397 case CODEC_ID_PCM_ZORK:
67a3b67c
JR
398 for (; n > 0; n--) {
399 int v = *src++;
400 if (v < 128)
401 v = 128 - v;
402 *samples++ = v;
a11c2a2c
MN
403 }
404 break;
a96b68b7
FB
405 case CODEC_ID_PCM_ALAW:
406 case CODEC_ID_PCM_MULAW:
6d21f498 407 for (; n > 0; n--) {
b45eb9d6
MR
408 AV_WN16A(samples, s->table[*src++]);
409 samples += 2;
a96b68b7
FB
410 }
411 break;
1472b7dd 412 case CODEC_ID_PCM_DVD:
154cd253
JR
413 {
414 const uint8_t *src8;
0eea2129 415 dst_int32_t = (int32_t *)s->frame.data[0];
0cdc6ec9 416 n /= avctx->channels;
dd1c8f3e 417 switch (avctx->bits_per_coded_sample) {
0cdc6ec9 418 case 20:
1472b7dd 419 while (n--) {
6d21f498
AD
420 c = avctx->channels;
421 src8 = src + 4 * c;
0cdc6ec9 422 while (c--) {
6d21f498
AD
423 *dst_int32_t++ = (bytestream_get_be16(&src) << 16) + ((*src8 & 0xf0) << 8);
424 *dst_int32_t++ = (bytestream_get_be16(&src) << 16) + ((*src8++ & 0x0f) << 12);
0cdc6ec9
PR
425 }
426 src = src8;
1472b7dd 427 }
0cdc6ec9
PR
428 break;
429 case 24:
430 while (n--) {
6d21f498
AD
431 c = avctx->channels;
432 src8 = src + 4 * c;
0cdc6ec9
PR
433 while (c--) {
434 *dst_int32_t++ = (bytestream_get_be16(&src) << 16) + ((*src8++) << 8);
435 *dst_int32_t++ = (bytestream_get_be16(&src) << 16) + ((*src8++) << 8);
436 }
437 src = src8;
438 }
439 break;
1472b7dd
LT
440 }
441 break;
154cd253 442 }
fbeabfca 443 case CODEC_ID_PCM_LXF:
154cd253
JR
444 {
445 int i;
446 const uint8_t *src8;
0eea2129 447 dst_int32_t = (int32_t *)s->frame.data[0];
fbeabfca 448 n /= avctx->channels;
6d21f498 449 // unpack and de-planarize
fbeabfca 450 for (i = 0; i < n; i++) {
6d21f498
AD
451 for (c = 0, src8 = src + i * 5; c < avctx->channels; c++, src8 += n * 5) {
452 // extract low 20 bits and expand to 32 bits
453 *dst_int32_t++ = (src8[2] << 28) |
454 (src8[1] << 20) |
455 (src8[0] << 12) |
456 ((src8[2] & 0xF) << 8) |
457 src8[1];
fbeabfca 458 }
6d21f498
AD
459 for (c = 0, src8 = src + i * 5; c < avctx->channels; c++, src8 += n * 5) {
460 // extract high 20 bits and expand to 32 bits
461 *dst_int32_t++ = (src8[4] << 24) |
462 (src8[3] << 16) |
463 ((src8[2] & 0xF0) << 8) |
464 (src8[4] << 4) |
465 (src8[3] >> 4);
fbeabfca
TH
466 }
467 }
fbeabfca 468 break;
154cd253 469 }
a96b68b7 470 default:
a96b68b7
FB
471 return -1;
472 }
0eea2129
JR
473
474 *got_frame_ptr = 1;
475 *(AVFrame *)data = s->frame;
476
0093f96d 477 return buf_size;
a96b68b7
FB
478}
479
b250f9c6 480#if CONFIG_ENCODERS
6d21f498
AD
481#define PCM_ENCODER(id_, sample_fmt_, name_, long_name_) \
482AVCodec ff_ ## name_ ## _encoder = { \
483 .name = #name_, \
484 .type = AVMEDIA_TYPE_AUDIO, \
485 .id = id_, \
486 .init = pcm_encode_init, \
487 .encode2 = pcm_encode_frame, \
488 .close = pcm_encode_close, \
489 .capabilities = CODEC_CAP_VARIABLE_FRAME_SIZE, \
490 .sample_fmts = (const enum AVSampleFormat[]){ sample_fmt_, \
491 AV_SAMPLE_FMT_NONE }, \
492 .long_name = NULL_IF_CONFIG_SMALL(long_name_), \
44adbebe 493}
2b045c9c 494#else
6d21f498 495#define PCM_ENCODER(id, sample_fmt_, name, long_name_)
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496#endif
497
b250f9c6 498#if CONFIG_DECODERS
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499#define PCM_DECODER(id_, sample_fmt_, name_, long_name_) \
500AVCodec ff_ ## name_ ## _decoder = { \
501 .name = #name_, \
502 .type = AVMEDIA_TYPE_AUDIO, \
503 .id = id_, \
504 .priv_data_size = sizeof(PCMDecode), \
505 .init = pcm_decode_init, \
506 .decode = pcm_decode_frame, \
507 .capabilities = CODEC_CAP_DR1, \
508 .sample_fmts = (const enum AVSampleFormat[]){ sample_fmt_, \
509 AV_SAMPLE_FMT_NONE }, \
510 .long_name = NULL_IF_CONFIG_SMALL(long_name_), \
44adbebe 511}
2b045c9c 512#else
6d21f498 513#define PCM_DECODER(id, sample_fmt_, name, long_name_)
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514#endif
515
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516#define PCM_CODEC(id, sample_fmt_, name, long_name_) \
517 PCM_ENCODER(id, sample_fmt_, name, long_name_); \
518 PCM_DECODER(id, sample_fmt_, name, long_name_)
44caa86d 519
bbdfa06d 520/* Note: Do not forget to add new entries to the Makefile as well. */
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521PCM_CODEC (CODEC_ID_PCM_ALAW, AV_SAMPLE_FMT_S16, pcm_alaw, "PCM A-law");
522PCM_DECODER(CODEC_ID_PCM_DVD, AV_SAMPLE_FMT_S32, pcm_dvd, "PCM signed 20|24-bit big-endian");
523PCM_CODEC (CODEC_ID_PCM_F32BE, AV_SAMPLE_FMT_FLT, pcm_f32be, "PCM 32-bit floating point big-endian");
524PCM_CODEC (CODEC_ID_PCM_F32LE, AV_SAMPLE_FMT_FLT, pcm_f32le, "PCM 32-bit floating point little-endian");
525PCM_CODEC (CODEC_ID_PCM_F64BE, AV_SAMPLE_FMT_DBL, pcm_f64be, "PCM 64-bit floating point big-endian");
526PCM_CODEC (CODEC_ID_PCM_F64LE, AV_SAMPLE_FMT_DBL, pcm_f64le, "PCM 64-bit floating point little-endian");
527PCM_DECODER(CODEC_ID_PCM_LXF, AV_SAMPLE_FMT_S32, pcm_lxf, "PCM signed 20-bit little-endian planar");
528PCM_CODEC (CODEC_ID_PCM_MULAW, AV_SAMPLE_FMT_S16, pcm_mulaw, "PCM mu-law");
529PCM_CODEC (CODEC_ID_PCM_S8, AV_SAMPLE_FMT_U8, pcm_s8, "PCM signed 8-bit");
530PCM_CODEC (CODEC_ID_PCM_S16BE, AV_SAMPLE_FMT_S16, pcm_s16be, "PCM signed 16-bit big-endian");
531PCM_CODEC (CODEC_ID_PCM_S16LE, AV_SAMPLE_FMT_S16, pcm_s16le, "PCM signed 16-bit little-endian");
5d6e4c16 532PCM_DECODER(CODEC_ID_PCM_S16LE_PLANAR, AV_SAMPLE_FMT_S16, pcm_s16le_planar, "PCM 16-bit little-endian planar");
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533PCM_CODEC (CODEC_ID_PCM_S24BE, AV_SAMPLE_FMT_S32, pcm_s24be, "PCM signed 24-bit big-endian");
534PCM_CODEC (CODEC_ID_PCM_S24DAUD, AV_SAMPLE_FMT_S16, pcm_s24daud, "PCM D-Cinema audio signed 24-bit");
535PCM_CODEC (CODEC_ID_PCM_S24LE, AV_SAMPLE_FMT_S32, pcm_s24le, "PCM signed 24-bit little-endian");
536PCM_CODEC (CODEC_ID_PCM_S32BE, AV_SAMPLE_FMT_S32, pcm_s32be, "PCM signed 32-bit big-endian");
537PCM_CODEC (CODEC_ID_PCM_S32LE, AV_SAMPLE_FMT_S32, pcm_s32le, "PCM signed 32-bit little-endian");
538PCM_CODEC (CODEC_ID_PCM_U8, AV_SAMPLE_FMT_U8, pcm_u8, "PCM unsigned 8-bit");
539PCM_CODEC (CODEC_ID_PCM_U16BE, AV_SAMPLE_FMT_S16, pcm_u16be, "PCM unsigned 16-bit big-endian");
540PCM_CODEC (CODEC_ID_PCM_U16LE, AV_SAMPLE_FMT_S16, pcm_u16le, "PCM unsigned 16-bit little-endian");
541PCM_CODEC (CODEC_ID_PCM_U24BE, AV_SAMPLE_FMT_S32, pcm_u24be, "PCM unsigned 24-bit big-endian");
542PCM_CODEC (CODEC_ID_PCM_U24LE, AV_SAMPLE_FMT_S32, pcm_u24le, "PCM unsigned 24-bit little-endian");
543PCM_CODEC (CODEC_ID_PCM_U32BE, AV_SAMPLE_FMT_S32, pcm_u32be, "PCM unsigned 32-bit big-endian");
544PCM_CODEC (CODEC_ID_PCM_U32LE, AV_SAMPLE_FMT_S32, pcm_u32le, "PCM unsigned 32-bit little-endian");
545PCM_DECODER(CODEC_ID_PCM_ZORK, AV_SAMPLE_FMT_U8, pcm_zork, "PCM Zork");