FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/pcm.c
Date: 2022-07-05 19:52:29
Exec Total Coverage
Lines: 203 271 74.9%
Branches: 148 187 79.1%

Line Branch Exec Source
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 "config.h"
28 #include "config_components.h"
29 #include "libavutil/attributes.h"
30 #include "libavutil/float_dsp.h"
31 #include "libavutil/reverse.h"
32 #include "libavutil/thread.h"
33 #include "avcodec.h"
34 #include "bytestream.h"
35 #include "codec_internal.h"
36 #include "encode.h"
37 #include "internal.h"
38 #include "mathops.h"
39 #include "pcm_tablegen.h"
40
41 1040 static av_cold int pcm_encode_init(AVCodecContext *avctx)
42 {
43 1040 avctx->frame_size = 0;
44 #if !CONFIG_HARDCODED_TABLES
45
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1040 switch (avctx->codec->id) {
46 #define INIT_ONCE(id, name) \
47 case AV_CODEC_ID_PCM_ ## id: \
48 if (CONFIG_PCM_ ## id ## _ENCODER) { \
49 static AVOnce init_static_once = AV_ONCE_INIT; \
50 ff_thread_once(&init_static_once, pcm_ ## name ## _tableinit); \
51 } \
52 break
53 6 INIT_ONCE(ALAW, alaw);
54 2 INIT_ONCE(MULAW, ulaw);
55 INIT_ONCE(VIDC, vidc);
56 1032 default:
57 1032 break;
58 }
59 #endif
60
61 1040 avctx->bits_per_coded_sample = av_get_bits_per_sample(avctx->codec->id);
62 1040 avctx->block_align = avctx->ch_layout.nb_channels * avctx->bits_per_coded_sample / 8;
63 1040 avctx->bit_rate = avctx->block_align * 8LL * avctx->sample_rate;
64
65 1040 return 0;
66 }
67
68 /**
69 * Write PCM samples macro
70 * @param type Datatype of native machine format
71 * @param endian bytestream_put_xxx() suffix
72 * @param src Source pointer (variable name)
73 * @param dst Destination pointer (variable name)
74 * @param n Total number of samples (variable name)
75 * @param shift Bitshift (bits)
76 * @param offset Sample value offset
77 */
78 #define ENCODE(type, endian, src, dst, n, shift, offset) \
79 samples_ ## type = (const type *) src; \
80 for (; n > 0; n--) { \
81 register type v = (*samples_ ## type++ >> shift) + offset; \
82 bytestream_put_ ## endian(&dst, v); \
83 }
84
85 #define ENCODE_PLANAR(type, endian, dst, n, shift, offset) \
86 n /= avctx->ch_layout.nb_channels; \
87 for (c = 0; c < avctx->ch_layout.nb_channels; c++) { \
88 int i; \
89 samples_ ## type = (const type *) frame->extended_data[c]; \
90 for (i = n; i > 0; i--) { \
91 register type v = (*samples_ ## type++ >> shift) + offset; \
92 bytestream_put_ ## endian(&dst, v); \
93 } \
94 }
95
96 245672 static int pcm_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
97 const AVFrame *frame, int *got_packet_ptr)
98 {
99 int n, c, sample_size, v, ret;
100 const short *samples;
101 unsigned char *dst;
102 const uint8_t *samples_uint8_t;
103 const int16_t *samples_int16_t;
104 const int32_t *samples_int32_t;
105 const int64_t *samples_int64_t;
106 const uint16_t *samples_uint16_t;
107 const uint32_t *samples_uint32_t;
108
109 245672 sample_size = av_get_bits_per_sample(avctx->codec->id) / 8;
110 245672 n = frame->nb_samples * avctx->ch_layout.nb_channels;
111 245672 samples = (const short *)frame->data[0];
112
113
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245672 if ((ret = ff_get_encode_buffer(avctx, avpkt, n * sample_size, 0)) < 0)
114 return ret;
115 245672 dst = avpkt->data;
116
117
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245672 switch (avctx->codec->id) {
118 259 case AV_CODEC_ID_PCM_U32LE:
119
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529459 ENCODE(uint32_t, le32, samples, dst, n, 0, 0x80000000)
120 259 break;
121 259 case AV_CODEC_ID_PCM_U32BE:
122
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529459 ENCODE(uint32_t, be32, samples, dst, n, 0, 0x80000000)
123 259 break;
124 5847 case AV_CODEC_ID_PCM_S24LE:
125
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39354433 ENCODE(int32_t, le24, samples, dst, n, 8, 0)
126 5847 break;
127 259 case AV_CODEC_ID_PCM_S24LE_PLANAR:
128
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529977 ENCODE_PLANAR(int32_t, le24, dst, n, 8, 0)
129 259 break;
130 5891 case AV_CODEC_ID_PCM_S24BE:
131
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8215091 ENCODE(int32_t, be24, samples, dst, n, 8, 0)
132 5891 break;
133 259 case AV_CODEC_ID_PCM_U24LE:
134
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529459 ENCODE(uint32_t, le24, samples, dst, n, 8, 0x800000)
135 259 break;
136 259 case AV_CODEC_ID_PCM_U24BE:
137
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529459 ENCODE(uint32_t, be24, samples, dst, n, 8, 0x800000)
138 259 break;
139 20 case AV_CODEC_ID_PCM_S24DAUD:
140
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40940 for (; n > 0; n--) {
141 40920 uint32_t tmp = ff_reverse[(*samples >> 8) & 0xff] +
142 40920 (ff_reverse[*samples & 0xff] << 8);
143 40920 tmp <<= 4; // sync flags would go here
144 40920 bytestream_put_be24(&dst, tmp);
145 40920 samples++;
146 }
147 20 break;
148 259 case AV_CODEC_ID_PCM_U16LE:
149
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529459 ENCODE(uint16_t, le16, samples, dst, n, 0, 0x8000)
150 259 break;
151 259 case AV_CODEC_ID_PCM_U16BE:
152
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529459 ENCODE(uint16_t, be16, samples, dst, n, 0, 0x8000)
153 259 break;
154 366 case AV_CODEC_ID_PCM_S8:
155
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7726634 ENCODE(uint8_t, byte, samples, dst, n, 0, -128)
156 366 break;
157 259 case AV_CODEC_ID_PCM_S8_PLANAR:
158
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529977 ENCODE_PLANAR(uint8_t, byte, dst, n, 0, -128)
159 259 break;
160 #if HAVE_BIGENDIAN
161 case AV_CODEC_ID_PCM_S64LE:
162 case AV_CODEC_ID_PCM_F64LE:
163 ENCODE(int64_t, le64, samples, dst, n, 0, 0)
164 break;
165 case AV_CODEC_ID_PCM_S32LE:
166 case AV_CODEC_ID_PCM_F32LE:
167 ENCODE(int32_t, le32, samples, dst, n, 0, 0)
168 break;
169 case AV_CODEC_ID_PCM_S32LE_PLANAR:
170 ENCODE_PLANAR(int32_t, le32, dst, n, 0, 0)
171 break;
172 case AV_CODEC_ID_PCM_S16LE:
173 ENCODE(int16_t, le16, samples, dst, n, 0, 0)
174 break;
175 case AV_CODEC_ID_PCM_S16LE_PLANAR:
176 ENCODE_PLANAR(int16_t, le16, dst, n, 0, 0)
177 break;
178 case AV_CODEC_ID_PCM_F64BE:
179 case AV_CODEC_ID_PCM_F32BE:
180 case AV_CODEC_ID_PCM_S64BE:
181 case AV_CODEC_ID_PCM_S32BE:
182 case AV_CODEC_ID_PCM_S16BE:
183 #else
184 259 case AV_CODEC_ID_PCM_S64BE:
185 case AV_CODEC_ID_PCM_F64BE:
186
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529459 ENCODE(int64_t, be64, samples, dst, n, 0, 0)
187 259 break;
188 562 case AV_CODEC_ID_PCM_F32BE:
189 case AV_CODEC_ID_PCM_S32BE:
190
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1160338 ENCODE(int32_t, be32, samples, dst, n, 0, 0)
191 562 break;
192 397 case AV_CODEC_ID_PCM_S16BE:
193
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674093 ENCODE(int16_t, be16, samples, dst, n, 0, 0)
194 397 break;
195 303 case AV_CODEC_ID_PCM_S16BE_PLANAR:
196
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618309 ENCODE_PLANAR(int16_t, be16, dst, n, 0, 0)
197 303 break;
198 228655 case AV_CODEC_ID_PCM_F64LE:
199 case AV_CODEC_ID_PCM_F32LE:
200 case AV_CODEC_ID_PCM_S64LE:
201 case AV_CODEC_ID_PCM_S32LE:
202 case AV_CODEC_ID_PCM_S16LE:
203 #endif /* HAVE_BIGENDIAN */
204 case AV_CODEC_ID_PCM_U8:
205 228655 memcpy(dst, samples, n * sample_size);
206 228655 break;
207 #if HAVE_BIGENDIAN
208 case AV_CODEC_ID_PCM_S16BE_PLANAR:
209 #else
210 518 case AV_CODEC_ID_PCM_S16LE_PLANAR:
211 case AV_CODEC_ID_PCM_S32LE_PLANAR:
212 #endif /* HAVE_BIGENDIAN */
213 518 n /= avctx->ch_layout.nb_channels;
214
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1554 for (c = 0; c < avctx->ch_layout.nb_channels; c++) {
215 1036 const uint8_t *src = frame->extended_data[c];
216 1036 bytestream_put_buffer(&dst, src, n * sample_size);
217 }
218 518 break;
219 479 case AV_CODEC_ID_PCM_ALAW:
220
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750179 for (; n > 0; n--) {
221 749700 v = *samples++;
222 749700 *dst++ = linear_to_alaw[(v + 32768) >> 2];
223 }
224 479 break;
225 303 case AV_CODEC_ID_PCM_MULAW:
226
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573603 for (; n > 0; n--) {
227 573300 v = *samples++;
228 573300 *dst++ = linear_to_ulaw[(v + 32768) >> 2];
229 }
230 303 break;
231 case AV_CODEC_ID_PCM_VIDC:
232 for (; n > 0; n--) {
233 v = *samples++;
234 *dst++ = linear_to_vidc[(v + 32768) >> 2];
235 }
236 break;
237 default:
238 return -1;
239 }
240
241 245672 *got_packet_ptr = 1;
242 245672 return 0;
243 }
244
245 typedef struct PCMDecode {
246 short table[256];
247 void (*vector_fmul_scalar)(float *dst, const float *src, float mul,
248 int len);
249 float scale;
250 } PCMDecode;
251
252 1523 static av_cold int pcm_decode_init(AVCodecContext *avctx)
253 {
254 1523 PCMDecode *s = avctx->priv_data;
255 AVFloatDSPContext *fdsp;
256 int i;
257
258
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1523 if (avctx->ch_layout.nb_channels <= 0) {
259 av_log(avctx, AV_LOG_ERROR, "PCM channels out of bounds\n");
260 return AVERROR(EINVAL);
261 }
262
263
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1523 switch (avctx->codec_id) {
264 24 case AV_CODEC_ID_PCM_ALAW:
265
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6168 for (i = 0; i < 256; i++)
266 6144 s->table[i] = alaw2linear(i);
267 24 break;
268 14 case AV_CODEC_ID_PCM_MULAW:
269
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3598 for (i = 0; i < 256; i++)
270 3584 s->table[i] = ulaw2linear(i);
271 14 break;
272 case AV_CODEC_ID_PCM_VIDC:
273 for (i = 0; i < 256; i++)
274 s->table[i] = vidc2linear(i);
275 break;
276 case AV_CODEC_ID_PCM_F16LE:
277 case AV_CODEC_ID_PCM_F24LE:
278 if (avctx->bits_per_coded_sample < 1 || avctx->bits_per_coded_sample > 24)
279 return AVERROR_INVALIDDATA;
280
281 s->scale = 1. / (1 << (avctx->bits_per_coded_sample - 1));
282 fdsp = avpriv_float_dsp_alloc(0);
283 if (!fdsp)
284 return AVERROR(ENOMEM);
285 s->vector_fmul_scalar = fdsp->vector_fmul_scalar;
286 av_free(fdsp);
287 break;
288 1485 default:
289 1485 break;
290 }
291
292 1523 avctx->sample_fmt = avctx->codec->sample_fmts[0];
293
294
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1523 if (avctx->sample_fmt == AV_SAMPLE_FMT_S32)
295 68 avctx->bits_per_raw_sample = av_get_bits_per_sample(avctx->codec_id);
296
297 1523 return 0;
298 }
299
300 /**
301 * Read PCM samples macro
302 * @param size Data size of native machine format
303 * @param endian bytestream_get_xxx() endian suffix
304 * @param src Source pointer (variable name)
305 * @param dst Destination pointer (variable name)
306 * @param n Total number of samples (variable name)
307 * @param shift Bitshift (bits)
308 * @param offset Sample value offset
309 */
310 #define DECODE(size, endian, src, dst, n, shift, offset) \
311 for (; n > 0; n--) { \
312 uint ## size ## _t v = bytestream_get_ ## endian(&src); \
313 AV_WN ## size ## A(dst, (uint ## size ## _t)(v - offset) << shift); \
314 dst += size / 8; \
315 }
316
317 #define DECODE_PLANAR(size, endian, src, dst, n, shift, offset) \
318 n /= channels; \
319 for (c = 0; c < avctx->ch_layout.nb_channels; c++) { \
320 int i; \
321 dst = frame->extended_data[c]; \
322 for (i = n; i > 0; i--) { \
323 uint ## size ## _t v = bytestream_get_ ## endian(&src); \
324 AV_WN ## size ## A(dst, (uint ## size ##_t)(v - offset) << shift); \
325 dst += size / 8; \
326 } \
327 }
328
329 83681 static int pcm_decode_frame(AVCodecContext *avctx, AVFrame *frame,
330 int *got_frame_ptr, AVPacket *avpkt)
331 {
332 83681 const uint8_t *src = avpkt->data;
333 83681 int buf_size = avpkt->size;
334 83681 PCMDecode *s = avctx->priv_data;
335 83681 int channels = avctx->ch_layout.nb_channels;
336 int sample_size, c, n, ret, samples_per_block;
337 uint8_t *samples;
338 int32_t *dst_int32_t;
339
340 83681 sample_size = av_get_bits_per_sample(avctx->codec_id) / 8;
341
342 /* av_get_bits_per_sample returns 0 for AV_CODEC_ID_PCM_DVD */
343 83681 samples_per_block = 1;
344
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83681 if (avctx->codec_id == AV_CODEC_ID_PCM_LXF) {
345 /* we process 40-bit blocks per channel for LXF */
346 samples_per_block = 2;
347 sample_size = 5;
348 }
349
350
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83681 if (sample_size == 0) {
351 av_log(avctx, AV_LOG_ERROR, "Invalid sample_size\n");
352 return AVERROR(EINVAL);
353 }
354
355
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83681 if (channels == 0) {
356 av_log(avctx, AV_LOG_ERROR, "Invalid number of channels\n");
357 return AVERROR(EINVAL);
358 }
359
360
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83681 if (avctx->codec_id != avctx->codec->id) {
361 av_log(avctx, AV_LOG_ERROR, "codec ids mismatch\n");
362 return AVERROR(EINVAL);
363 }
364
365 83681 n = channels * sample_size;
366
367
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83681 if (n && buf_size % n) {
368 if (buf_size < n) {
369 av_log(avctx, AV_LOG_ERROR,
370 "Invalid PCM packet, data has size %d but at least a size of %d was expected\n",
371 buf_size, n);
372 return AVERROR_INVALIDDATA;
373 } else
374 buf_size -= buf_size % n;
375 }
376
377 83681 n = buf_size / sample_size;
378
379 /* get output buffer */
380 83681 frame->nb_samples = n * samples_per_block / channels;
381
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83681 if ((ret = ff_get_buffer(avctx, frame, 0)) < 0)
382 return ret;
383 83681 samples = frame->data[0];
384
385
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83681 switch (avctx->codec_id) {
386 259 case AV_CODEC_ID_PCM_U32LE:
387
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529459 DECODE(32, le32, src, samples, n, 0, 0x80000000)
388 259 break;
389 259 case AV_CODEC_ID_PCM_U32BE:
390
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529459 DECODE(32, be32, src, samples, n, 0, 0x80000000)
391 259 break;
392 20111 case AV_CODEC_ID_PCM_S24LE:
393
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27444835 DECODE(32, le24, src, samples, n, 8, 0)
394 20111 break;
395 259 case AV_CODEC_ID_PCM_S24LE_PLANAR:
396
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529977 DECODE_PLANAR(32, le24, src, samples, n, 8, 0);
397 259 break;
398 259 case AV_CODEC_ID_PCM_S24BE:
399
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529459 DECODE(32, be24, src, samples, n, 8, 0)
400 259 break;
401 259 case AV_CODEC_ID_PCM_U24LE:
402
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529459 DECODE(32, le24, src, samples, n, 8, 0x800000)
403 259 break;
404 259 case AV_CODEC_ID_PCM_U24BE:
405
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529459 DECODE(32, be24, src, samples, n, 8, 0x800000)
406 259 break;
407 20 case AV_CODEC_ID_PCM_S24DAUD:
408
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40940 for (; n > 0; n--) {
409 40920 uint32_t v = bytestream_get_be24(&src);
410 40920 v >>= 4; // sync flags are here
411 40920 AV_WN16A(samples, ff_reverse[(v >> 8) & 0xff] +
412 (ff_reverse[v & 0xff] << 8));
413 40920 samples += 2;
414 }
415 20 break;
416 259 case AV_CODEC_ID_PCM_U16LE:
417
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529459 DECODE(16, le16, src, samples, n, 0, 0x8000)
418 259 break;
419 259 case AV_CODEC_ID_PCM_U16BE:
420
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529459 DECODE(16, be16, src, samples, n, 0, 0x8000)
421 259 break;
422 259 case AV_CODEC_ID_PCM_S8:
423
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529459 for (; n > 0; n--)
424 529200 *samples++ = *src++ + 128;
425 259 break;
426 case AV_CODEC_ID_PCM_SGA:
427 for (; n > 0; n--) {
428 int sign = *src >> 7;
429 int magn = *src & 0x7f;
430 *samples++ = sign ? 128 - magn : 128 + magn;
431 src++;
432 }
433 break;
434 259 case AV_CODEC_ID_PCM_S8_PLANAR:
435 259 n /= avctx->ch_layout.nb_channels;
436
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777 for (c = 0; c < avctx->ch_layout.nb_channels; c++) {
437 int i;
438 518 samples = frame->extended_data[c];
439
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529718 for (i = n; i > 0; i--)
440 529200 *samples++ = *src++ + 128;
441 }
442 259 break;
443 #if HAVE_BIGENDIAN
444 case AV_CODEC_ID_PCM_S64LE:
445 case AV_CODEC_ID_PCM_F64LE:
446 DECODE(64, le64, src, samples, n, 0, 0)
447 break;
448 case AV_CODEC_ID_PCM_S32LE:
449 case AV_CODEC_ID_PCM_F32LE:
450 case AV_CODEC_ID_PCM_F24LE:
451 case AV_CODEC_ID_PCM_F16LE:
452 DECODE(32, le32, src, samples, n, 0, 0)
453 break;
454 case AV_CODEC_ID_PCM_S32LE_PLANAR:
455 DECODE_PLANAR(32, le32, src, samples, n, 0, 0);
456 break;
457 case AV_CODEC_ID_PCM_S16LE:
458 DECODE(16, le16, src, samples, n, 0, 0)
459 break;
460 case AV_CODEC_ID_PCM_S16LE_PLANAR:
461 DECODE_PLANAR(16, le16, src, samples, n, 0, 0);
462 break;
463 case AV_CODEC_ID_PCM_F64BE:
464 case AV_CODEC_ID_PCM_F32BE:
465 case AV_CODEC_ID_PCM_S64BE:
466 case AV_CODEC_ID_PCM_S32BE:
467 case AV_CODEC_ID_PCM_S16BE:
468 #else
469 259 case AV_CODEC_ID_PCM_S64BE:
470 case AV_CODEC_ID_PCM_F64BE:
471
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529459 DECODE(64, be64, src, samples, n, 0, 0)
472 259 break;
473 518 case AV_CODEC_ID_PCM_F32BE:
474 case AV_CODEC_ID_PCM_S32BE:
475
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1058918 DECODE(32, be32, src, samples, n, 0, 0)
476 518 break;
477 1028 case AV_CODEC_ID_PCM_S16BE:
478
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1888842 DECODE(16, be16, src, samples, n, 0, 0)
479 1028 break;
480 303 case AV_CODEC_ID_PCM_S16BE_PLANAR:
481
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618309 DECODE_PLANAR(16, be16, src, samples, n, 0, 0);
482 303 break;
483 55344 case AV_CODEC_ID_PCM_F64LE:
484 case AV_CODEC_ID_PCM_F32LE:
485 case AV_CODEC_ID_PCM_F24LE:
486 case AV_CODEC_ID_PCM_F16LE:
487 case AV_CODEC_ID_PCM_S64LE:
488 case AV_CODEC_ID_PCM_S32LE:
489 case AV_CODEC_ID_PCM_S16LE:
490 #endif /* HAVE_BIGENDIAN */
491 case AV_CODEC_ID_PCM_U8:
492 55344 memcpy(samples, src, n * sample_size);
493 55344 break;
494 #if HAVE_BIGENDIAN
495 case AV_CODEC_ID_PCM_S16BE_PLANAR:
496 #else
497 660 case AV_CODEC_ID_PCM_S16LE_PLANAR:
498 case AV_CODEC_ID_PCM_S32LE_PLANAR:
499 #endif /* HAVE_BIGENDIAN */
500 660 n /= avctx->ch_layout.nb_channels;
501
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1980 for (c = 0; c < avctx->ch_layout.nb_channels; c++) {
502 1320 samples = frame->extended_data[c];
503 1320 bytestream_get_buffer(&src, samples, n * sample_size);
504 }
505 660 break;
506 2848 case AV_CODEC_ID_PCM_ALAW:
507 case AV_CODEC_ID_PCM_MULAW:
508 case AV_CODEC_ID_PCM_VIDC:
509
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4972036 for (; n > 0; n--) {
510 4969188 AV_WN16A(samples, s->table[*src++]);
511 4969188 samples += 2;
512 }
513 2848 break;
514 case AV_CODEC_ID_PCM_LXF:
515 {
516 int i;
517 n /= channels;
518 for (c = 0; c < 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++ = ((uint32_t)src[2]<<28) |
523 (src[1] << 20) |
524 (src[0] << 12) |
525 ((src[2] & 0x0F) << 8) |
526 src[1];
527 // extract high 20 bits and expand to 32 bits
528 *dst_int32_t++ = ((uint32_t)src[4]<<24) |
529 (src[3] << 16) |
530 ((src[2] & 0xF0) << 8) |
531 (src[4] << 4) |
532 (src[3] >> 4);
533 src += 5;
534 }
535 }
536 break;
537 }
538 default:
539 return -1;
540 }
541
542
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83681 if (avctx->codec_id == AV_CODEC_ID_PCM_F16LE ||
543
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83681 avctx->codec_id == AV_CODEC_ID_PCM_F24LE) {
544 s->vector_fmul_scalar((float *)frame->extended_data[0],
545 (const float *)frame->extended_data[0],
546 s->scale, FFALIGN(frame->nb_samples * avctx->ch_layout.nb_channels, 4));
547 emms_c();
548 }
549
550 83681 *got_frame_ptr = 1;
551
552 83681 return buf_size;
553 }
554
555 #define PCM_ENCODER_0(id_, sample_fmt_, name_, long_name_)
556 #define PCM_ENCODER_1(id_, sample_fmt_, name_, long_name_) \
557 const FFCodec ff_ ## name_ ## _encoder = { \
558 .p.name = #name_, \
559 .p.long_name = NULL_IF_CONFIG_SMALL(long_name_), \
560 .p.type = AVMEDIA_TYPE_AUDIO, \
561 .p.id = AV_CODEC_ID_ ## id_, \
562 .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_VARIABLE_FRAME_SIZE, \
563 .init = pcm_encode_init, \
564 FF_CODEC_ENCODE_CB(pcm_encode_frame), \
565 .p.sample_fmts = (const enum AVSampleFormat[]){ sample_fmt_, \
566 AV_SAMPLE_FMT_NONE }, \
567 .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE, \
568 }
569
570 #define PCM_ENCODER_2(cf, id, sample_fmt, name, long_name) \
571 PCM_ENCODER_ ## cf(id, sample_fmt, name, long_name)
572 #define PCM_ENCODER_3(cf, id, sample_fmt, name, long_name) \
573 PCM_ENCODER_2(cf, id, sample_fmt, name, long_name)
574 #define PCM_ENCODER(id, sample_fmt, name, long_name) \
575 PCM_ENCODER_3(CONFIG_ ## id ## _ENCODER, id, sample_fmt, name, long_name)
576
577 #define PCM_DECODER_0(id, sample_fmt, name, long_name)
578 #define PCM_DECODER_1(id_, sample_fmt_, name_, long_name_) \
579 const FFCodec ff_ ## name_ ## _decoder = { \
580 .p.name = #name_, \
581 .p.long_name = NULL_IF_CONFIG_SMALL(long_name_), \
582 .p.type = AVMEDIA_TYPE_AUDIO, \
583 .p.id = AV_CODEC_ID_ ## id_, \
584 .priv_data_size = sizeof(PCMDecode), \
585 .init = pcm_decode_init, \
586 FF_CODEC_DECODE_CB(pcm_decode_frame), \
587 .p.capabilities = AV_CODEC_CAP_DR1, \
588 .p.sample_fmts = (const enum AVSampleFormat[]){ sample_fmt_, \
589 AV_SAMPLE_FMT_NONE }, \
590 .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE, \
591 }
592
593 #define PCM_DECODER_2(cf, id, sample_fmt, name, long_name) \
594 PCM_DECODER_ ## cf(id, sample_fmt, name, long_name)
595 #define PCM_DECODER_3(cf, id, sample_fmt, name, long_name) \
596 PCM_DECODER_2(cf, id, sample_fmt, name, long_name)
597 #define PCM_DECODER(id, sample_fmt, name, long_name) \
598 PCM_DECODER_3(CONFIG_ ## id ## _DECODER, id, sample_fmt, name, long_name)
599
600 #define PCM_CODEC(id, sample_fmt_, name, long_name_) \
601 PCM_ENCODER(id, sample_fmt_, name, long_name_); \
602 PCM_DECODER(id, sample_fmt_, name, long_name_)
603
604 /* Note: Do not forget to add new entries to the Makefile as well. */
605 PCM_CODEC (PCM_ALAW, AV_SAMPLE_FMT_S16, pcm_alaw, "PCM A-law / G.711 A-law");
606 PCM_DECODER(PCM_F16LE, AV_SAMPLE_FMT_FLT, pcm_f16le, "PCM 16.8 floating point little-endian");
607 PCM_DECODER(PCM_F24LE, AV_SAMPLE_FMT_FLT, pcm_f24le, "PCM 24.0 floating point little-endian");
608 PCM_CODEC (PCM_F32BE, AV_SAMPLE_FMT_FLT, pcm_f32be, "PCM 32-bit floating point big-endian");
609 PCM_CODEC (PCM_F32LE, AV_SAMPLE_FMT_FLT, pcm_f32le, "PCM 32-bit floating point little-endian");
610 PCM_CODEC (PCM_F64BE, AV_SAMPLE_FMT_DBL, pcm_f64be, "PCM 64-bit floating point big-endian");
611 PCM_CODEC (PCM_F64LE, AV_SAMPLE_FMT_DBL, pcm_f64le, "PCM 64-bit floating point little-endian");
612 PCM_DECODER(PCM_LXF, AV_SAMPLE_FMT_S32P,pcm_lxf, "PCM signed 20-bit little-endian planar");
613 PCM_CODEC (PCM_MULAW, AV_SAMPLE_FMT_S16, pcm_mulaw, "PCM mu-law / G.711 mu-law");
614 PCM_CODEC (PCM_S8, AV_SAMPLE_FMT_U8, pcm_s8, "PCM signed 8-bit");
615 PCM_CODEC (PCM_S8_PLANAR, AV_SAMPLE_FMT_U8P, pcm_s8_planar, "PCM signed 8-bit planar");
616 PCM_CODEC (PCM_S16BE, AV_SAMPLE_FMT_S16, pcm_s16be, "PCM signed 16-bit big-endian");
617 PCM_CODEC (PCM_S16BE_PLANAR, AV_SAMPLE_FMT_S16P,pcm_s16be_planar, "PCM signed 16-bit big-endian planar");
618 PCM_CODEC (PCM_S16LE, AV_SAMPLE_FMT_S16, pcm_s16le, "PCM signed 16-bit little-endian");
619 PCM_CODEC (PCM_S16LE_PLANAR, AV_SAMPLE_FMT_S16P,pcm_s16le_planar, "PCM signed 16-bit little-endian planar");
620 PCM_CODEC (PCM_S24BE, AV_SAMPLE_FMT_S32, pcm_s24be, "PCM signed 24-bit big-endian");
621 PCM_CODEC (PCM_S24DAUD, AV_SAMPLE_FMT_S16, pcm_s24daud, "PCM D-Cinema audio signed 24-bit");
622 PCM_CODEC (PCM_S24LE, AV_SAMPLE_FMT_S32, pcm_s24le, "PCM signed 24-bit little-endian");
623 PCM_CODEC (PCM_S24LE_PLANAR, AV_SAMPLE_FMT_S32P,pcm_s24le_planar, "PCM signed 24-bit little-endian planar");
624 PCM_CODEC (PCM_S32BE, AV_SAMPLE_FMT_S32, pcm_s32be, "PCM signed 32-bit big-endian");
625 PCM_CODEC (PCM_S32LE, AV_SAMPLE_FMT_S32, pcm_s32le, "PCM signed 32-bit little-endian");
626 PCM_CODEC (PCM_S32LE_PLANAR, AV_SAMPLE_FMT_S32P,pcm_s32le_planar, "PCM signed 32-bit little-endian planar");
627 PCM_CODEC (PCM_U8, AV_SAMPLE_FMT_U8, pcm_u8, "PCM unsigned 8-bit");
628 PCM_CODEC (PCM_U16BE, AV_SAMPLE_FMT_S16, pcm_u16be, "PCM unsigned 16-bit big-endian");
629 PCM_CODEC (PCM_U16LE, AV_SAMPLE_FMT_S16, pcm_u16le, "PCM unsigned 16-bit little-endian");
630 PCM_CODEC (PCM_U24BE, AV_SAMPLE_FMT_S32, pcm_u24be, "PCM unsigned 24-bit big-endian");
631 PCM_CODEC (PCM_U24LE, AV_SAMPLE_FMT_S32, pcm_u24le, "PCM unsigned 24-bit little-endian");
632 PCM_CODEC (PCM_U32BE, AV_SAMPLE_FMT_S32, pcm_u32be, "PCM unsigned 32-bit big-endian");
633 PCM_CODEC (PCM_U32LE, AV_SAMPLE_FMT_S32, pcm_u32le, "PCM unsigned 32-bit little-endian");
634 PCM_CODEC (PCM_S64BE, AV_SAMPLE_FMT_S64, pcm_s64be, "PCM signed 64-bit big-endian");
635 PCM_CODEC (PCM_S64LE, AV_SAMPLE_FMT_S64, pcm_s64le, "PCM signed 64-bit little-endian");
636 PCM_CODEC (PCM_VIDC, AV_SAMPLE_FMT_S16, pcm_vidc, "PCM Archimedes VIDC");
637 PCM_DECODER(PCM_SGA, AV_SAMPLE_FMT_U8, pcm_sga, "PCM SGA");
638