FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libavcodec/pcm.c
Date: 2024-04-24 02:45:42
Exec Total Coverage
Lines: 206 267 77.2%
Functions: 4 4 100.0%
Branches: 150 185 81.1%
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/mem.h"
32 #include "libavutil/reverse.h"
33 #include "libavutil/thread.h"
34 #include "avcodec.h"
35 #include "bytestream.h"
36 #include "codec_internal.h"
37 #include "decode.h"
38 #include "encode.h"
39 #include "pcm_tablegen.h"
40
41 1084 static av_cold int pcm_encode_init(AVCodecContext *avctx)
42 {
43 1084 avctx->frame_size = 0;
44 #if !CONFIG_HARDCODED_TABLES
45
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 1084 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 1076 default:
57 1076 break;
58 }
59 #endif
60
61 1084 avctx->bits_per_coded_sample = av_get_bits_per_sample(avctx->codec->id);
62 1084 avctx->block_align = avctx->ch_layout.nb_channels * avctx->bits_per_coded_sample / 8;
63 1084 avctx->bit_rate = avctx->block_align * 8LL * avctx->sample_rate;
64
65 1084 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 228944 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 228944 sample_size = av_get_bits_per_sample(avctx->codec->id) / 8;
110 228944 n = frame->nb_samples * avctx->ch_layout.nb_channels;
111 228944 samples = (const short *)frame->data[0];
112
113
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 228944 if ((ret = ff_get_encode_buffer(avctx, avpkt, n * sample_size, 0)) < 0)
114 ✗ return ret;
115 228944 dst = avpkt->data;
116
117
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 228944 switch (avctx->codec->id) {
118 65 case AV_CODEC_ID_PCM_U32LE:
119
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 529265 ENCODE(uint32_t, le32, samples, dst, n, 0, 0x80000000)
120 65 break;
121 65 case AV_CODEC_ID_PCM_U32BE:
122
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 529265 ENCODE(uint32_t, be32, samples, dst, n, 0, 0x80000000)
123 65 break;
124 5861 case AV_CODEC_ID_PCM_S24LE:
125
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 39506655 ENCODE(int32_t, le24, samples, dst, n, 8, 0)
126 5861 break;
127 65 case AV_CODEC_ID_PCM_S24LE_PLANAR:
128
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 529395 ENCODE_PLANAR(int32_t, le24, dst, n, 8, 0)
129 65 break;
130 313 case AV_CODEC_ID_PCM_S24BE:
131
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 8497999 ENCODE(int32_t, be24, samples, dst, n, 8, 0)
132 313 break;
133 65 case AV_CODEC_ID_PCM_U24LE:
134
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 529265 ENCODE(uint32_t, le24, samples, dst, n, 8, 0x800000)
135 65 break;
136 65 case AV_CODEC_ID_PCM_U24BE:
137
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 529265 ENCODE(uint32_t, be24, samples, dst, n, 8, 0x800000)
138 65 break;
139 20 case AV_CODEC_ID_PCM_S24DAUD:
140
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 983060 for (; n > 0; n--) {
141 983040 uint32_t tmp = ff_reverse[(*samples >> 8) & 0xff] +
142 983040 (ff_reverse[*samples & 0xff] << 8);
143 983040 tmp <<= 4; // sync flags would go here
144 983040 bytestream_put_be24(&dst, tmp);
145 983040 samples++;
146 }
147 20 break;
148 65 case AV_CODEC_ID_PCM_U16LE:
149
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 529265 ENCODE(uint16_t, le16, samples, dst, n, 0, 0x8000)
150 65 break;
151 65 case AV_CODEC_ID_PCM_U16BE:
152
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 529265 ENCODE(uint16_t, be16, samples, dst, n, 0, 0x8000)
153 65 break;
154 172 case AV_CODEC_ID_PCM_S8:
155
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 7726440 ENCODE(uint8_t, byte, samples, dst, n, 0, -128)
156 172 break;
157 65 case AV_CODEC_ID_PCM_S8_PLANAR:
158
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 529395 ENCODE_PLANAR(uint8_t, byte, dst, n, 0, -128)
159 65 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 65 case AV_CODEC_ID_PCM_S64BE:
185 case AV_CODEC_ID_PCM_F64BE:
186
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 529265 ENCODE(int64_t, be64, samples, dst, n, 0, 0)
187 65 break;
188 174 case AV_CODEC_ID_PCM_F32BE:
189 case AV_CODEC_ID_PCM_S32BE:
190
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 1159950 ENCODE(int32_t, be32, samples, dst, n, 0, 0)
191 174 break;
192 104 case AV_CODEC_ID_PCM_S16BE:
193
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 673800 ENCODE(int16_t, be16, samples, dst, n, 0, 0)
194 104 break;
195 83 case AV_CODEC_ID_PCM_S16BE_PLANAR:
196
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 673642 ENCODE_PLANAR(int16_t, be16, dst, n, 0, 0)
197 83 break;
198 221306 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 221306 memcpy(dst, samples, n * sample_size);
206 221306 break;
207 #if HAVE_BIGENDIAN
208 case AV_CODEC_ID_PCM_S16BE_PLANAR:
209 #else
210 130 case AV_CODEC_ID_PCM_S16LE_PLANAR:
211 case AV_CODEC_ID_PCM_S32LE_PLANAR:
212 #endif /* HAVE_BIGENDIAN */
213 130 n /= avctx->ch_layout.nb_channels;
214
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 390 for (c = 0; c < avctx->ch_layout.nb_channels; c++) {
215 260 const uint8_t *src = frame->extended_data[c];
216 260 bytestream_put_buffer(&dst, src, n * sample_size);
217 }
218 130 break;
219 120 case AV_CODEC_ID_PCM_ALAW:
220
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 749820 for (; n > 0; n--) {
221 749700 v = *samples++;
222 749700 *dst++ = linear_to_alaw[(v + 32768) >> 2];
223 }
224 120 break;
225 76 case AV_CODEC_ID_PCM_MULAW:
226
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 573376 for (; n > 0; n--) {
227 573300 v = *samples++;
228 573300 *dst++ = linear_to_ulaw[(v + 32768) >> 2];
229 }
230 76 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 228944 *got_packet_ptr = 1;
242 228944 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 1603 static av_cold int pcm_decode_init(AVCodecContext *avctx)
253 {
254 1603 PCMDecode *s = avctx->priv_data;
255 AVFloatDSPContext *fdsp;
256 int i;
257
258
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 1603 switch (avctx->codec_id) {
259 24 case AV_CODEC_ID_PCM_ALAW:
260
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 6168 for (i = 0; i < 256; i++)
261 6144 s->table[i] = alaw2linear(i);
262 24 break;
263 14 case AV_CODEC_ID_PCM_MULAW:
264
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 3598 for (i = 0; i < 256; i++)
265 3584 s->table[i] = ulaw2linear(i);
266 14 break;
267 ✗ case AV_CODEC_ID_PCM_VIDC:
268 ✗ for (i = 0; i < 256; i++)
269 ✗ s->table[i] = vidc2linear(i);
270 ✗ break;
271 ✗ case AV_CODEC_ID_PCM_F16LE:
272 case AV_CODEC_ID_PCM_F24LE:
273 ✗ if (avctx->bits_per_coded_sample < 1 || avctx->bits_per_coded_sample > 24)
274 ✗ return AVERROR_INVALIDDATA;
275
276 ✗ s->scale = 1. / (1 << (avctx->bits_per_coded_sample - 1));
277 ✗ fdsp = avpriv_float_dsp_alloc(0);
278 ✗ if (!fdsp)
279 ✗ return AVERROR(ENOMEM);
280 ✗ s->vector_fmul_scalar = fdsp->vector_fmul_scalar;
281 ✗ av_free(fdsp);
282 ✗ break;
283 1565 default:
284 1565 break;
285 }
286
287 1603 avctx->sample_fmt = avctx->codec->sample_fmts[0];
288
289
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 1603 if (avctx->sample_fmt == AV_SAMPLE_FMT_S32)
290 90 avctx->bits_per_raw_sample = av_get_bits_per_sample(avctx->codec_id);
291
292 1603 return 0;
293 }
294
295 /**
296 * Read PCM samples macro
297 * @param size Data size of native machine format
298 * @param endian bytestream_get_xxx() endian suffix
299 * @param src Source pointer (variable name)
300 * @param dst Destination pointer (variable name)
301 * @param n Total number of samples (variable name)
302 * @param shift Bitshift (bits)
303 * @param offset Sample value offset
304 */
305 #define DECODE(size, endian, src, dst, n, shift, offset) \
306 for (; n > 0; n--) { \
307 uint ## size ## _t v = bytestream_get_ ## endian(&src); \
308 AV_WN ## size ## A(dst, (uint ## size ## _t)(v - offset) << shift); \
309 dst += size / 8; \
310 }
311
312 #define DECODE_PLANAR(size, endian, src, dst, n, shift, offset) \
313 n /= channels; \
314 for (c = 0; c < avctx->ch_layout.nb_channels; c++) { \
315 int i; \
316 dst = frame->extended_data[c]; \
317 for (i = n; i > 0; i--) { \
318 uint ## size ## _t v = bytestream_get_ ## endian(&src); \
319 AV_WN ## size ## A(dst, (uint ## size ##_t)(v - offset) << shift); \
320 dst += size / 8; \
321 } \
322 }
323
324 38717 static int pcm_decode_frame(AVCodecContext *avctx, AVFrame *frame,
325 int *got_frame_ptr, AVPacket *avpkt)
326 {
327 38717 const uint8_t *src = avpkt->data;
328 38717 int buf_size = avpkt->size;
329 38717 PCMDecode *s = avctx->priv_data;
330 38717 int channels = avctx->ch_layout.nb_channels;
331 int sample_size, c, n, ret, samples_per_block;
332 uint8_t *samples;
333 int32_t *dst_int32_t;
334
335 38717 sample_size = av_get_bits_per_sample(avctx->codec_id) / 8;
336
337 /* av_get_bits_per_sample returns 0 for AV_CODEC_ID_PCM_DVD */
338 38717 samples_per_block = 1;
339
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 38717 if (avctx->codec_id == AV_CODEC_ID_PCM_LXF) {
340 /* we process 40-bit blocks per channel for LXF */
341 ✗ samples_per_block = 2;
342 ✗ sample_size = 5;
343 }
344
345
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 38717 if (sample_size == 0) {
346 ✗ av_log(avctx, AV_LOG_ERROR, "Invalid sample_size\n");
347 ✗ return AVERROR(EINVAL);
348 }
349
350
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 38717 if (channels == 0) {
351 ✗ av_log(avctx, AV_LOG_ERROR, "Invalid number of channels\n");
352 ✗ return AVERROR(EINVAL);
353 }
354
355
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 38717 if (avctx->codec_id != avctx->codec->id) {
356 ✗ av_log(avctx, AV_LOG_ERROR, "codec ids mismatch\n");
357 ✗ return AVERROR(EINVAL);
358 }
359
360 38717 n = channels * sample_size;
361
362
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 38717 if (n && buf_size % n) {
363
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 2 if (buf_size < n) {
364 1 av_log(avctx, AV_LOG_ERROR,
365 "Invalid PCM packet, data has size %d but at least a size of %d was expected\n",
366 buf_size, n);
367 1 return AVERROR_INVALIDDATA;
368 } else
369 1 buf_size -= buf_size % n;
370 }
371
372 38716 n = buf_size / sample_size;
373
374 /* get output buffer */
375 38716 frame->nb_samples = n * samples_per_block / channels;
376
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 38716 if ((ret = ff_get_buffer(avctx, frame, 0)) < 0)
377 ✗ return ret;
378 38716 samples = frame->data[0];
379
380
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 38716 switch (avctx->codec_id) {
381 65 case AV_CODEC_ID_PCM_U32LE:
382
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 529265 DECODE(32, le32, src, samples, n, 0, 0x80000000)
383 65 break;
384 65 case AV_CODEC_ID_PCM_U32BE:
385
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 529265 DECODE(32, be32, src, samples, n, 0, 0x80000000)
386 65 break;
387 920 case AV_CODEC_ID_PCM_S24LE:
388
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 27460204 DECODE(32, le24, src, samples, n, 8, 0)
389 920 break;
390 65 case AV_CODEC_ID_PCM_S24LE_PLANAR:
391
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 529395 DECODE_PLANAR(32, le24, src, samples, n, 8, 0);
392 65 break;
393 259 case AV_CODEC_ID_PCM_S24BE:
394
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 529459 DECODE(32, be24, src, samples, n, 8, 0)
395 259 break;
396 65 case AV_CODEC_ID_PCM_U24LE:
397
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 529265 DECODE(32, le24, src, samples, n, 8, 0x800000)
398 65 break;
399 65 case AV_CODEC_ID_PCM_U24BE:
400
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 529265 DECODE(32, be24, src, samples, n, 8, 0x800000)
401 65 break;
402 86 case AV_CODEC_ID_PCM_S24DAUD:
403
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 1026806 for (; n > 0; n--) {
404 1026720 uint32_t v = bytestream_get_be24(&src);
405 1026720 v >>= 4; // sync flags are here
406 1026720 AV_WN16A(samples, ff_reverse[(v >> 8) & 0xff] +
407 (ff_reverse[v & 0xff] << 8));
408 1026720 samples += 2;
409 }
410 86 break;
411 65 case AV_CODEC_ID_PCM_U16LE:
412
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 529265 DECODE(16, le16, src, samples, n, 0, 0x8000)
413 65 break;
414 65 case AV_CODEC_ID_PCM_U16BE:
415
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 529265 DECODE(16, be16, src, samples, n, 0, 0x8000)
416 65 break;
417 259 case AV_CODEC_ID_PCM_S8:
418
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 529459 for (; n > 0; n--)
419 529200 *samples++ = *src++ + 128;
420 259 break;
421 ✗ case AV_CODEC_ID_PCM_SGA:
422 ✗ for (; n > 0; n--) {
423 ✗ int sign = *src >> 7;
424 ✗ int magn = *src & 0x7f;
425 ✗ *samples++ = sign ? 128 - magn : 128 + magn;
426 ✗ src++;
427 }
428 ✗ break;
429 65 case AV_CODEC_ID_PCM_S8_PLANAR:
430 65 n /= avctx->ch_layout.nb_channels;
431
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 195 for (c = 0; c < avctx->ch_layout.nb_channels; c++) {
432 int i;
433 130 samples = frame->extended_data[c];
434
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 529330 for (i = n; i > 0; i--)
435 529200 *samples++ = *src++ + 128;
436 }
437 65 break;
438 #if HAVE_BIGENDIAN
439 case AV_CODEC_ID_PCM_S64LE:
440 case AV_CODEC_ID_PCM_F64LE:
441 DECODE(64, le64, src, samples, n, 0, 0)
442 break;
443 case AV_CODEC_ID_PCM_S32LE:
444 case AV_CODEC_ID_PCM_F32LE:
445 case AV_CODEC_ID_PCM_F24LE:
446 case AV_CODEC_ID_PCM_F16LE:
447 DECODE(32, le32, src, samples, n, 0, 0)
448 break;
449 case AV_CODEC_ID_PCM_S32LE_PLANAR:
450 DECODE_PLANAR(32, le32, src, samples, n, 0, 0);
451 break;
452 case AV_CODEC_ID_PCM_S16LE:
453 DECODE(16, le16, src, samples, n, 0, 0)
454 break;
455 case AV_CODEC_ID_PCM_S16LE_PLANAR:
456 DECODE_PLANAR(16, le16, src, samples, n, 0, 0);
457 break;
458 case AV_CODEC_ID_PCM_F64BE:
459 case AV_CODEC_ID_PCM_F32BE:
460 case AV_CODEC_ID_PCM_S64BE:
461 case AV_CODEC_ID_PCM_S32BE:
462 case AV_CODEC_ID_PCM_S16BE:
463 #else
464 65 case AV_CODEC_ID_PCM_S64BE:
465 case AV_CODEC_ID_PCM_F64BE:
466
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 529265 DECODE(64, be64, src, samples, n, 0, 0)
467 65 break;
468 324 case AV_CODEC_ID_PCM_F32BE:
469 case AV_CODEC_ID_PCM_S32BE:
470
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 1058724 DECODE(32, be32, src, samples, n, 0, 0)
471 324 break;
472 995 case AV_CODEC_ID_PCM_S16BE:
473
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 1888809 DECODE(16, be16, src, samples, n, 0, 0)
474 995 break;
475 76 case AV_CODEC_ID_PCM_S16BE_PLANAR:
476
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 617628 DECODE_PLANAR(16, be16, src, samples, n, 0, 0);
477 76 break;
478 32287 case AV_CODEC_ID_PCM_F64LE:
479 case AV_CODEC_ID_PCM_F32LE:
480 case AV_CODEC_ID_PCM_F24LE:
481 case AV_CODEC_ID_PCM_F16LE:
482 case AV_CODEC_ID_PCM_S64LE:
483 case AV_CODEC_ID_PCM_S32LE:
484 case AV_CODEC_ID_PCM_S16LE:
485 #endif /* HAVE_BIGENDIAN */
486 case AV_CODEC_ID_PCM_U8:
487 32287 memcpy(samples, src, n * sample_size);
488 32287 break;
489 #if HAVE_BIGENDIAN
490 case AV_CODEC_ID_PCM_S16BE_PLANAR:
491 #else
492 272 case AV_CODEC_ID_PCM_S16LE_PLANAR:
493 case AV_CODEC_ID_PCM_S32LE_PLANAR:
494 #endif /* HAVE_BIGENDIAN */
495 272 n /= avctx->ch_layout.nb_channels;
496
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 816 for (c = 0; c < avctx->ch_layout.nb_channels; c++) {
497 544 samples = frame->extended_data[c];
498 544 bytestream_get_buffer(&src, samples, n * sample_size);
499 }
500 272 break;
501 2653 case AV_CODEC_ID_PCM_ALAW:
502 case AV_CODEC_ID_PCM_MULAW:
503 case AV_CODEC_ID_PCM_VIDC:
504
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 4982866 for (; n > 0; n--) {
505 4980213 AV_WN16A(samples, s->table[*src++]);
506 4980213 samples += 2;
507 }
508 2653 break;
509 ✗ case AV_CODEC_ID_PCM_LXF:
510 {
511 int i;
512 ✗ n /= channels;
513 ✗ for (c = 0; c < channels; c++) {
514 ✗ dst_int32_t = (int32_t *)frame->extended_data[c];
515 ✗ for (i = 0; i < n; i++) {
516 // extract low 20 bits and expand to 32 bits
517 ✗ *dst_int32_t++ = ((uint32_t)src[2]<<28) |
518 ✗ (src[1] << 20) |
519 ✗ (src[0] << 12) |
520 ✗ ((src[2] & 0x0F) << 8) |
521 ✗ src[1];
522 // extract high 20 bits and expand to 32 bits
523 ✗ *dst_int32_t++ = ((uint32_t)src[4]<<24) |
524 ✗ (src[3] << 16) |
525 ✗ ((src[2] & 0xF0) << 8) |
526 ✗ (src[4] << 4) |
527 ✗ (src[3] >> 4);
528 ✗ src += 5;
529 }
530 }
531 ✗ break;
532 }
533 ✗ default:
534 ✗ return -1;
535 }
536
537
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 38716 if (avctx->codec_id == AV_CODEC_ID_PCM_F16LE ||
538
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 38716 avctx->codec_id == AV_CODEC_ID_PCM_F24LE) {
539 ✗ s->vector_fmul_scalar((float *)frame->extended_data[0],
540 ✗ (const float *)frame->extended_data[0],
541 ✗ s->scale, FFALIGN(frame->nb_samples * avctx->ch_layout.nb_channels, 4));
542 }
543
544 38716 *got_frame_ptr = 1;
545
546 38716 return buf_size;
547 }
548
549 #define PCM_ENCODER_0(id_, sample_fmt_, name_, long_name_)
550 #define PCM_ENCODER_1(id_, sample_fmt_, name_, long_name_) \
551 const FFCodec ff_ ## name_ ## _encoder = { \
552 .p.name = #name_, \
553 CODEC_LONG_NAME(long_name_), \
554 .p.type = AVMEDIA_TYPE_AUDIO, \
555 .p.id = AV_CODEC_ID_ ## id_, \
556 .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_VARIABLE_FRAME_SIZE | \
557 AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE, \
558 .init = pcm_encode_init, \
559 FF_CODEC_ENCODE_CB(pcm_encode_frame), \
560 .p.sample_fmts = (const enum AVSampleFormat[]){ sample_fmt_, \
561 AV_SAMPLE_FMT_NONE }, \
562 }
563
564 #define PCM_ENCODER_2(cf, id, sample_fmt, name, long_name) \
565 PCM_ENCODER_ ## cf(id, sample_fmt, name, long_name)
566 #define PCM_ENCODER_3(cf, id, sample_fmt, name, long_name) \
567 PCM_ENCODER_2(cf, id, sample_fmt, name, long_name)
568 #define PCM_ENCODER(id, sample_fmt, name, long_name) \
569 PCM_ENCODER_3(CONFIG_ ## id ## _ENCODER, id, sample_fmt, name, long_name)
570
571 #define PCM_DECODER_0(id, sample_fmt, name, long_name)
572 #define PCM_DECODER_1(id_, sample_fmt_, name_, long_name_) \
573 const FFCodec ff_ ## name_ ## _decoder = { \
574 .p.name = #name_, \
575 CODEC_LONG_NAME(long_name_), \
576 .p.type = AVMEDIA_TYPE_AUDIO, \
577 .p.id = AV_CODEC_ID_ ## id_, \
578 .priv_data_size = sizeof(PCMDecode), \
579 .init = pcm_decode_init, \
580 FF_CODEC_DECODE_CB(pcm_decode_frame), \
581 .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_PARAM_CHANGE, \
582 .p.sample_fmts = (const enum AVSampleFormat[]){ sample_fmt_, \
583 AV_SAMPLE_FMT_NONE }, \
584 }
585
586 #define PCM_DECODER_2(cf, id, sample_fmt, name, long_name) \
587 PCM_DECODER_ ## cf(id, sample_fmt, name, long_name)
588 #define PCM_DECODER_3(cf, id, sample_fmt, name, long_name) \
589 PCM_DECODER_2(cf, id, sample_fmt, name, long_name)
590 #define PCM_DECODER(id, sample_fmt, name, long_name) \
591 PCM_DECODER_3(CONFIG_ ## id ## _DECODER, id, sample_fmt, name, long_name)
592
593 #define PCM_CODEC(id, sample_fmt_, name, long_name_) \
594 PCM_ENCODER(id, sample_fmt_, name, long_name_); \
595 PCM_DECODER(id, sample_fmt_, name, long_name_)
596
597 /* Note: Do not forget to add new entries to the Makefile as well. */
598 PCM_CODEC (PCM_ALAW, AV_SAMPLE_FMT_S16, pcm_alaw, "PCM A-law / G.711 A-law");
599 PCM_DECODER(PCM_F16LE, AV_SAMPLE_FMT_FLT, pcm_f16le, "PCM 16.8 floating point little-endian");
600 PCM_DECODER(PCM_F24LE, AV_SAMPLE_FMT_FLT, pcm_f24le, "PCM 24.0 floating point little-endian");
601 PCM_CODEC (PCM_F32BE, AV_SAMPLE_FMT_FLT, pcm_f32be, "PCM 32-bit floating point big-endian");
602 PCM_CODEC (PCM_F32LE, AV_SAMPLE_FMT_FLT, pcm_f32le, "PCM 32-bit floating point little-endian");
603 PCM_CODEC (PCM_F64BE, AV_SAMPLE_FMT_DBL, pcm_f64be, "PCM 64-bit floating point big-endian");
604 PCM_CODEC (PCM_F64LE, AV_SAMPLE_FMT_DBL, pcm_f64le, "PCM 64-bit floating point little-endian");
605 PCM_DECODER(PCM_LXF, AV_SAMPLE_FMT_S32P,pcm_lxf, "PCM signed 20-bit little-endian planar");
606 PCM_CODEC (PCM_MULAW, AV_SAMPLE_FMT_S16, pcm_mulaw, "PCM mu-law / G.711 mu-law");
607 PCM_CODEC (PCM_S8, AV_SAMPLE_FMT_U8, pcm_s8, "PCM signed 8-bit");
608 PCM_CODEC (PCM_S8_PLANAR, AV_SAMPLE_FMT_U8P, pcm_s8_planar, "PCM signed 8-bit planar");
609 PCM_CODEC (PCM_S16BE, AV_SAMPLE_FMT_S16, pcm_s16be, "PCM signed 16-bit big-endian");
610 PCM_CODEC (PCM_S16BE_PLANAR, AV_SAMPLE_FMT_S16P,pcm_s16be_planar, "PCM signed 16-bit big-endian planar");
611 PCM_CODEC (PCM_S16LE, AV_SAMPLE_FMT_S16, pcm_s16le, "PCM signed 16-bit little-endian");
612 PCM_CODEC (PCM_S16LE_PLANAR, AV_SAMPLE_FMT_S16P,pcm_s16le_planar, "PCM signed 16-bit little-endian planar");
613 PCM_CODEC (PCM_S24BE, AV_SAMPLE_FMT_S32, pcm_s24be, "PCM signed 24-bit big-endian");
614 PCM_CODEC (PCM_S24DAUD, AV_SAMPLE_FMT_S16, pcm_s24daud, "PCM D-Cinema audio signed 24-bit");
615 PCM_CODEC (PCM_S24LE, AV_SAMPLE_FMT_S32, pcm_s24le, "PCM signed 24-bit little-endian");
616 PCM_CODEC (PCM_S24LE_PLANAR, AV_SAMPLE_FMT_S32P,pcm_s24le_planar, "PCM signed 24-bit little-endian planar");
617 PCM_CODEC (PCM_S32BE, AV_SAMPLE_FMT_S32, pcm_s32be, "PCM signed 32-bit big-endian");
618 PCM_CODEC (PCM_S32LE, AV_SAMPLE_FMT_S32, pcm_s32le, "PCM signed 32-bit little-endian");
619 PCM_CODEC (PCM_S32LE_PLANAR, AV_SAMPLE_FMT_S32P,pcm_s32le_planar, "PCM signed 32-bit little-endian planar");
620 PCM_CODEC (PCM_U8, AV_SAMPLE_FMT_U8, pcm_u8, "PCM unsigned 8-bit");
621 PCM_CODEC (PCM_U16BE, AV_SAMPLE_FMT_S16, pcm_u16be, "PCM unsigned 16-bit big-endian");
622 PCM_CODEC (PCM_U16LE, AV_SAMPLE_FMT_S16, pcm_u16le, "PCM unsigned 16-bit little-endian");
623 PCM_CODEC (PCM_U24BE, AV_SAMPLE_FMT_S32, pcm_u24be, "PCM unsigned 24-bit big-endian");
624 PCM_CODEC (PCM_U24LE, AV_SAMPLE_FMT_S32, pcm_u24le, "PCM unsigned 24-bit little-endian");
625 PCM_CODEC (PCM_U32BE, AV_SAMPLE_FMT_S32, pcm_u32be, "PCM unsigned 32-bit big-endian");
626 PCM_CODEC (PCM_U32LE, AV_SAMPLE_FMT_S32, pcm_u32le, "PCM unsigned 32-bit little-endian");
627 PCM_CODEC (PCM_S64BE, AV_SAMPLE_FMT_S64, pcm_s64be, "PCM signed 64-bit big-endian");
628 PCM_CODEC (PCM_S64LE, AV_SAMPLE_FMT_S64, pcm_s64le, "PCM signed 64-bit little-endian");
629 PCM_CODEC (PCM_VIDC, AV_SAMPLE_FMT_S16, pcm_vidc, "PCM Archimedes VIDC");
630 PCM_DECODER(PCM_SGA, AV_SAMPLE_FMT_U8, pcm_sga, "PCM SGA");
631