WebSVN – Kolibri OS – Blame – /contrib/sdk/sources/ffmpeg/libavcodec/pcm.c

Rev	Author	Line No.	Line
4349	Serge	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 "libavutil/attributes.h"
		28	#include "avcodec.h"
		29	#include "bytestream.h"
		30	#include "internal.h"
		31	#include "mathops.h"
		32	#include "pcm_tablegen.h"
		33
		34	static av_cold int pcm_encode_init(AVCodecContext *avctx)
		35	{
		36	avctx->frame_size = 0;
		37	switch (avctx->codec->id) {
		38	case AV_CODEC_ID_PCM_ALAW:
		39	pcm_alaw_tableinit();
		40	break;
		41	case AV_CODEC_ID_PCM_MULAW:
		42	pcm_ulaw_tableinit();
		43	break;
		44	default:
		45	break;
		46	}
		47
		48	avctx->bits_per_coded_sample = av_get_bits_per_sample(avctx->codec->id);
		49	avctx->block_align = avctx->channels * avctx->bits_per_coded_sample / 8;
		50	avctx->bit_rate = avctx->block_align * avctx->sample_rate * 8;
		51
		52	return 0;
		53	}
		54
		55	/**
		56	* Write PCM samples macro
		57	* @param type Datatype of native machine format
		58	* @param endian bytestream_put_xxx() suffix
		59	* @param src Source pointer (variable name)
		60	* @param dst Destination pointer (variable name)
		61	* @param n Total number of samples (variable name)
		62	* @param shift Bitshift (bits)
		63	* @param offset Sample value offset
		64	*/
		65	#define ENCODE(type, endian, src, dst, n, shift, offset) \
		66	samples_ ## type = (const type *) src; \
		67	for (; n > 0; n--) { \
		68	register type v = (*samples_ ## type++ >> shift) + offset; \
		69	bytestream_put_ ## endian(&dst, v); \
		70	}
		71
		72	#define ENCODE_PLANAR(type, endian, dst, n, shift, offset) \
		73	n /= avctx->channels; \
		74	for (c = 0; c < avctx->channels; c++) { \
		75	int i; \
		76	samples_ ## type = (const type *) frame->extended_data[c]; \
		77	for (i = n; i > 0; i--) { \
		78	register type v = (*samples_ ## type++ >> shift) + offset; \
		79	bytestream_put_ ## endian(&dst, v); \
		80	} \
		81	}
		82
		83	static int pcm_encode_frame(AVCodecContext avctx, AVPacket avpkt,
		84	const AVFrame frame, int got_packet_ptr)
		85	{
		86	int n, c, sample_size, v, ret;
		87	const short *samples;
		88	unsigned char *dst;
		89	const uint8_t *samples_uint8_t;
		90	const int16_t *samples_int16_t;
		91	const int32_t *samples_int32_t;
		92	const int64_t *samples_int64_t;
		93	const uint16_t *samples_uint16_t;
		94	const uint32_t *samples_uint32_t;
		95
		96	sample_size = av_get_bits_per_sample(avctx->codec->id) / 8;
		97	n = frame->nb_samples * avctx->channels;
		98	samples = (const short *)frame->data[0];
		99
		100	if ((ret = ff_alloc_packet2(avctx, avpkt, n * sample_size)) < 0)
		101	return ret;
		102	dst = avpkt->data;
		103
		104	switch (avctx->codec->id) {
		105	case AV_CODEC_ID_PCM_U32LE:
		106	ENCODE(uint32_t, le32, samples, dst, n, 0, 0x80000000)
		107	break;
		108	case AV_CODEC_ID_PCM_U32BE:
		109	ENCODE(uint32_t, be32, samples, dst, n, 0, 0x80000000)
		110	break;
		111	case AV_CODEC_ID_PCM_S24LE:
		112	ENCODE(int32_t, le24, samples, dst, n, 8, 0)
		113	break;
		114	case AV_CODEC_ID_PCM_S24LE_PLANAR:
		115	ENCODE_PLANAR(int32_t, le24, dst, n, 8, 0)
		116	break;
		117	case AV_CODEC_ID_PCM_S24BE:
		118	ENCODE(int32_t, be24, samples, dst, n, 8, 0)
		119	break;
		120	case AV_CODEC_ID_PCM_U24LE:
		121	ENCODE(uint32_t, le24, samples, dst, n, 8, 0x800000)
		122	break;
		123	case AV_CODEC_ID_PCM_U24BE:
		124	ENCODE(uint32_t, be24, samples, dst, n, 8, 0x800000)
		125	break;
		126	case AV_CODEC_ID_PCM_S24DAUD:
		127	for (; n > 0; n--) {
		128	uint32_t tmp = ff_reverse[(*samples >> 8) & 0xff] +
		129	(ff_reverse[*samples & 0xff] << 8);
		130	tmp <<= 4; // sync flags would go here
		131	bytestream_put_be24(&dst, tmp);
		132	samples++;
		133	}
		134	break;
		135	case AV_CODEC_ID_PCM_U16LE:
		136	ENCODE(uint16_t, le16, samples, dst, n, 0, 0x8000)
		137	break;
		138	case AV_CODEC_ID_PCM_U16BE:
		139	ENCODE(uint16_t, be16, samples, dst, n, 0, 0x8000)
		140	break;
		141	case AV_CODEC_ID_PCM_S8:
		142	ENCODE(uint8_t, byte, samples, dst, n, 0, -128)
		143	break;
		144	case AV_CODEC_ID_PCM_S8_PLANAR:
		145	ENCODE_PLANAR(uint8_t, byte, dst, n, 0, -128)
		146	break;
		147	#if HAVE_BIGENDIAN
		148	case AV_CODEC_ID_PCM_F64LE:
		149	ENCODE(int64_t, le64, samples, dst, n, 0, 0)
		150	break;
		151	case AV_CODEC_ID_PCM_S32LE:
		152	case AV_CODEC_ID_PCM_F32LE:
		153	ENCODE(int32_t, le32, samples, dst, n, 0, 0)
		154	break;
		155	case AV_CODEC_ID_PCM_S32LE_PLANAR:
		156	ENCODE_PLANAR(int32_t, le32, dst, n, 0, 0)
		157	break;
		158	case AV_CODEC_ID_PCM_S16LE:
		159	ENCODE(int16_t, le16, samples, dst, n, 0, 0)
		160	break;
		161	case AV_CODEC_ID_PCM_S16LE_PLANAR:
		162	ENCODE_PLANAR(int16_t, le16, dst, n, 0, 0)
		163	break;
		164	case AV_CODEC_ID_PCM_F64BE:
		165	case AV_CODEC_ID_PCM_F32BE:
		166	case AV_CODEC_ID_PCM_S32BE:
		167	case AV_CODEC_ID_PCM_S16BE:
		168	#else
		169	case AV_CODEC_ID_PCM_F64BE:
		170	ENCODE(int64_t, be64, samples, dst, n, 0, 0)
		171	break;
		172	case AV_CODEC_ID_PCM_F32BE:
		173	case AV_CODEC_ID_PCM_S32BE:
		174	ENCODE(int32_t, be32, samples, dst, n, 0, 0)
		175	break;
		176	case AV_CODEC_ID_PCM_S16BE:
		177	ENCODE(int16_t, be16, samples, dst, n, 0, 0)
		178	break;
		179	case AV_CODEC_ID_PCM_S16BE_PLANAR:
		180	ENCODE_PLANAR(int16_t, be16, dst, n, 0, 0)
		181	break;
		182	case AV_CODEC_ID_PCM_F64LE:
		183	case AV_CODEC_ID_PCM_F32LE:
		184	case AV_CODEC_ID_PCM_S32LE:
		185	case AV_CODEC_ID_PCM_S16LE:
		186	#endif /* HAVE_BIGENDIAN */
		187	case AV_CODEC_ID_PCM_U8:
		188	memcpy(dst, samples, n * sample_size);
		189	break;
		190	#if HAVE_BIGENDIAN
		191	case AV_CODEC_ID_PCM_S16BE_PLANAR:
		192	#else
		193	case AV_CODEC_ID_PCM_S16LE_PLANAR:
		194	case AV_CODEC_ID_PCM_S32LE_PLANAR:
		195	#endif /* HAVE_BIGENDIAN */
		196	n /= avctx->channels;
		197	for (c = 0; c < avctx->channels; c++) {
		198	const uint8_t *src = frame->extended_data[c];
		199	bytestream_put_buffer(&dst, src, n * sample_size);
		200	}
		201	break;
		202	case AV_CODEC_ID_PCM_ALAW:
		203	for (; n > 0; n--) {
		204	v = *samples++;
		205	*dst++ = linear_to_alaw[(v + 32768) >> 2];
		206	}
		207	break;
		208	case AV_CODEC_ID_PCM_MULAW:
		209	for (; n > 0; n--) {
		210	v = *samples++;
		211	*dst++ = linear_to_ulaw[(v + 32768) >> 2];
		212	}
		213	break;
		214	default:
		215	return -1;
		216	}
		217
		218	*got_packet_ptr = 1;
		219	return 0;
		220	}
		221
		222	typedef struct PCMDecode {
		223	short table[256];
		224	} PCMDecode;
		225
		226	static av_cold int pcm_decode_init(AVCodecContext *avctx)
		227	{
		228	PCMDecode *s = avctx->priv_data;
		229	int i;
		230
		231	if (avctx->channels <= 0) {
		232	av_log(avctx, AV_LOG_ERROR, "PCM channels out of bounds\n");
		233	return AVERROR(EINVAL);
		234	}
		235
		236	switch (avctx->codec_id) {
		237	case AV_CODEC_ID_PCM_ALAW:
		238	for (i = 0; i < 256; i++)
		239	s->table[i] = alaw2linear(i);
		240	break;
		241	case AV_CODEC_ID_PCM_MULAW:
		242	for (i = 0; i < 256; i++)
		243	s->table[i] = ulaw2linear(i);
		244	break;
		245	default:
		246	break;
		247	}
		248
		249	avctx->sample_fmt = avctx->codec->sample_fmts[0];
		250
		251	if (avctx->sample_fmt == AV_SAMPLE_FMT_S32)
		252	avctx->bits_per_raw_sample = av_get_bits_per_sample(avctx->codec_id);
		253
		254	return 0;
		255	}
		256
		257	/**
		258	* Read PCM samples macro
		259	* @param size Data size of native machine format
		260	* @param endian bytestream_get_xxx() endian suffix
		261	* @param src Source pointer (variable name)
		262	* @param dst Destination pointer (variable name)
		263	* @param n Total number of samples (variable name)
		264	* @param shift Bitshift (bits)
		265	* @param offset Sample value offset
		266	*/
		267	#define DECODE(size, endian, src, dst, n, shift, offset) \
		268	for (; n > 0; n--) { \
		269	uint ## size ## _t v = bytestream_get_ ## endian(&src); \
		270	AV_WN ## size ## A(dst, (v - offset) << shift); \
		271	dst += size / 8; \
		272	}
		273
		274	#define DECODE_PLANAR(size, endian, src, dst, n, shift, offset) \
		275	n /= avctx->channels; \
		276	for (c = 0; c < avctx->channels; c++) { \
		277	int i; \
		278	dst = frame->extended_data[c]; \
		279	for (i = n; i > 0; i--) { \
		280	uint ## size ## _t v = bytestream_get_ ## endian(&src); \
		281	AV_WN ## size ## A(dst, (v - offset) << shift); \
		282	dst += size / 8; \
		283	} \
		284	}
		285
		286	static int pcm_decode_frame(AVCodecContext avctx, void data,
		287	int got_frame_ptr, AVPacket avpkt)
		288	{
		289	const uint8_t *src = avpkt->data;
		290	int buf_size = avpkt->size;
		291	PCMDecode *s = avctx->priv_data;
		292	AVFrame *frame = data;
		293	int sample_size, c, n, ret, samples_per_block;
		294	uint8_t *samples;
		295	int32_t *dst_int32_t;
		296
		297	sample_size = av_get_bits_per_sample(avctx->codec_id) / 8;
		298
		299	/* av_get_bits_per_sample returns 0 for AV_CODEC_ID_PCM_DVD */
		300	samples_per_block = 1;
		301	if (avctx->codec_id == AV_CODEC_ID_PCM_LXF) {
		302	/* we process 40-bit blocks per channel for LXF */
		303	samples_per_block = 2;
		304	sample_size = 5;
		305	}
		306
		307	if (sample_size == 0) {
		308	av_log(avctx, AV_LOG_ERROR, "Invalid sample_size\n");
		309	return AVERROR(EINVAL);
		310	}
		311
		312	if (avctx->channels == 0) {
		313	av_log(avctx, AV_LOG_ERROR, "Invalid number of channels\n");
		314	return AVERROR(EINVAL);
		315	}
		316
		317	if (avctx->codec_id != avctx->codec->id) {
		318	av_log(avctx, AV_LOG_ERROR, "codec ids mismatch\n");
		319	return AVERROR(EINVAL);
		320	}
		321
		322	n = avctx->channels * sample_size;
		323
		324	if (n && buf_size % n) {
		325	if (buf_size < n) {
		326	av_log(avctx, AV_LOG_ERROR,
		327	"Invalid PCM packet, data has size %d but at least a size of %d was expected\n",
		328	buf_size, n);
		329	return AVERROR_INVALIDDATA;
		330	} else
		331	buf_size -= buf_size % n;
		332	}
		333
		334	n = buf_size / sample_size;
		335
		336	/* get output buffer */
		337	frame->nb_samples = n * samples_per_block / avctx->channels;
		338	if ((ret = ff_get_buffer(avctx, frame, 0)) < 0)
		339	return ret;
		340	samples = frame->data[0];
		341
		342	switch (avctx->codec_id) {
		343	case AV_CODEC_ID_PCM_U32LE:
		344	DECODE(32, le32, src, samples, n, 0, 0x80000000)
		345	break;
		346	case AV_CODEC_ID_PCM_U32BE:
		347	DECODE(32, be32, src, samples, n, 0, 0x80000000)
		348	break;
		349	case AV_CODEC_ID_PCM_S24LE:
		350	DECODE(32, le24, src, samples, n, 8, 0)
		351	break;
		352	case AV_CODEC_ID_PCM_S24LE_PLANAR:
		353	DECODE_PLANAR(32, le24, src, samples, n, 8, 0);
		354	break;
		355	case AV_CODEC_ID_PCM_S24BE:
		356	DECODE(32, be24, src, samples, n, 8, 0)
		357	break;
		358	case AV_CODEC_ID_PCM_U24LE:
		359	DECODE(32, le24, src, samples, n, 8, 0x800000)
		360	break;
		361	case AV_CODEC_ID_PCM_U24BE:
		362	DECODE(32, be24, src, samples, n, 8, 0x800000)
		363	break;
		364	case AV_CODEC_ID_PCM_S24DAUD:
		365	for (; n > 0; n--) {
		366	uint32_t v = bytestream_get_be24(&src);
		367	v >>= 4; // sync flags are here
		368	AV_WN16A(samples, ff_reverse[(v >> 8) & 0xff] +
		369	(ff_reverse[v & 0xff] << 8));
		370	samples += 2;
		371	}
		372	break;
		373	case AV_CODEC_ID_PCM_U16LE:
		374	DECODE(16, le16, src, samples, n, 0, 0x8000)
		375	break;
		376	case AV_CODEC_ID_PCM_U16BE:
		377	DECODE(16, be16, src, samples, n, 0, 0x8000)
		378	break;
		379	case AV_CODEC_ID_PCM_S8:
		380	for (; n > 0; n--)
		381	samples++ = src++ + 128;
		382	break;
		383	case AV_CODEC_ID_PCM_S8_PLANAR:
		384	n /= avctx->channels;
		385	for (c = 0; c < avctx->channels; c++) {
		386	int i;
		387	samples = frame->extended_data[c];
		388	for (i = n; i > 0; i--)
		389	samples++ = src++ + 128;
		390	}
		391	break;
		392	#if HAVE_BIGENDIAN
		393	case AV_CODEC_ID_PCM_F64LE:
		394	DECODE(64, le64, src, samples, n, 0, 0)
		395	break;
		396	case AV_CODEC_ID_PCM_S32LE:
		397	case AV_CODEC_ID_PCM_F32LE:
		398	DECODE(32, le32, src, samples, n, 0, 0)
		399	break;
		400	case AV_CODEC_ID_PCM_S32LE_PLANAR:
		401	DECODE_PLANAR(32, le32, src, samples, n, 0, 0);
		402	break;
		403	case AV_CODEC_ID_PCM_S16LE:
		404	DECODE(16, le16, src, samples, n, 0, 0)
		405	break;
		406	case AV_CODEC_ID_PCM_S16LE_PLANAR:
		407	DECODE_PLANAR(16, le16, src, samples, n, 0, 0);
		408	break;
		409	case AV_CODEC_ID_PCM_F64BE:
		410	case AV_CODEC_ID_PCM_F32BE:
		411	case AV_CODEC_ID_PCM_S32BE:
		412	case AV_CODEC_ID_PCM_S16BE:
		413	#else
		414	case AV_CODEC_ID_PCM_F64BE:
		415	DECODE(64, be64, src, samples, n, 0, 0)
		416	break;
		417	case AV_CODEC_ID_PCM_F32BE:
		418	case AV_CODEC_ID_PCM_S32BE:
		419	DECODE(32, be32, src, samples, n, 0, 0)
		420	break;
		421	case AV_CODEC_ID_PCM_S16BE:
		422	DECODE(16, be16, src, samples, n, 0, 0)
		423	break;
		424	case AV_CODEC_ID_PCM_S16BE_PLANAR:
		425	DECODE_PLANAR(16, be16, src, samples, n, 0, 0);
		426	break;
		427	case AV_CODEC_ID_PCM_F64LE:
		428	case AV_CODEC_ID_PCM_F32LE:
		429	case AV_CODEC_ID_PCM_S32LE:
		430	case AV_CODEC_ID_PCM_S16LE:
		431	#endif /* HAVE_BIGENDIAN */
		432	case AV_CODEC_ID_PCM_U8:
		433	memcpy(samples, src, n * sample_size);
		434	break;
		435	#if HAVE_BIGENDIAN
		436	case AV_CODEC_ID_PCM_S16BE_PLANAR:
		437	#else
		438	case AV_CODEC_ID_PCM_S16LE_PLANAR:
		439	case AV_CODEC_ID_PCM_S32LE_PLANAR:
		440	#endif /* HAVE_BIGENDIAN */
		441	n /= avctx->channels;
		442	for (c = 0; c < avctx->channels; c++) {
		443	samples = frame->extended_data[c];
		444	bytestream_get_buffer(&src, samples, n * sample_size);
		445	}
		446	break;
		447	case AV_CODEC_ID_PCM_ZORK:
		448	for (; n > 0; n--) {
		449	int v = *src++;
		450	if (v < 128)
		451	v = 128 - v;
		452	*samples++ = v;
		453	}
		454	break;
		455	case AV_CODEC_ID_PCM_ALAW:
		456	case AV_CODEC_ID_PCM_MULAW:
		457	for (; n > 0; n--) {
		458	AV_WN16A(samples, s->table[*src++]);
		459	samples += 2;
		460	}
		461	break;
		462	case AV_CODEC_ID_PCM_LXF:
		463	{
		464	int i;
		465	n /= avctx->channels;
		466	for (c = 0; c < avctx->channels; c++) {
		467	dst_int32_t = (int32_t *)frame->extended_data[c];
		468	for (i = 0; i < n; i++) {
		469	// extract low 20 bits and expand to 32 bits
		470	*dst_int32_t++ = (src[2] << 28) \|
		471	(src[1] << 20) \|
		472	(src[0] << 12) \|
		473	((src[2] & 0x0F) << 8) \|
		474	src[1];
		475	// extract high 20 bits and expand to 32 bits
		476	*dst_int32_t++ = (src[4] << 24) \|
		477	(src[3] << 16) \|
		478	((src[2] & 0xF0) << 8) \|
		479	(src[4] << 4) \|
		480	(src[3] >> 4);
		481	src += 5;
		482	}
		483	}
		484	break;
		485	}
		486	default:
		487	return -1;
		488	}
		489
		490	*got_frame_ptr = 1;
		491
		492	return buf_size;
		493	}
		494
		495	#define PCM_ENCODER_0(id_, sample_fmt_, name_, long_name_)
		496	#define PCM_ENCODER_1(id_, sample_fmt_, name_, long_name_) \
		497	AVCodec ff_ ## name_ ## _encoder = { \
		498	.name = #name_, \
		499	.long_name = NULL_IF_CONFIG_SMALL(long_name_), \
		500	.type = AVMEDIA_TYPE_AUDIO, \
		501	.id = AV_CODEC_ID_ ## id_, \
		502	.init = pcm_encode_init, \
		503	.encode2 = pcm_encode_frame, \
		504	.capabilities = CODEC_CAP_VARIABLE_FRAME_SIZE, \
		505	.sample_fmts = (const enum AVSampleFormat[]){ sample_fmt_, \
		506	AV_SAMPLE_FMT_NONE }, \
		507	}
		508
		509	#define PCM_ENCODER_2(cf, id, sample_fmt, name, long_name) \
		510	PCM_ENCODER_ ## cf(id, sample_fmt, name, long_name)
		511	#define PCM_ENCODER_3(cf, id, sample_fmt, name, long_name) \
		512	PCM_ENCODER_2(cf, id, sample_fmt, name, long_name)
		513	#define PCM_ENCODER(id, sample_fmt, name, long_name) \
		514	PCM_ENCODER_3(CONFIG_ ## id ## _ENCODER, id, sample_fmt, name, long_name)
		515
		516	#define PCM_DECODER_0(id, sample_fmt, name, long_name)
		517	#define PCM_DECODER_1(id_, sample_fmt_, name_, long_name_) \
		518	AVCodec ff_ ## name_ ## _decoder = { \
		519	.name = #name_, \
		520	.long_name = NULL_IF_CONFIG_SMALL(long_name_), \
		521	.type = AVMEDIA_TYPE_AUDIO, \
		522	.id = AV_CODEC_ID_ ## id_, \
		523	.priv_data_size = sizeof(PCMDecode), \
		524	.init = pcm_decode_init, \
		525	.decode = pcm_decode_frame, \
		526	.capabilities = CODEC_CAP_DR1, \
		527	.sample_fmts = (const enum AVSampleFormat[]){ sample_fmt_, \
		528	AV_SAMPLE_FMT_NONE }, \
		529	}
		530
		531	#define PCM_DECODER_2(cf, id, sample_fmt, name, long_name) \
		532	PCM_DECODER_ ## cf(id, sample_fmt, name, long_name)
		533	#define PCM_DECODER_3(cf, id, sample_fmt, name, long_name) \
		534	PCM_DECODER_2(cf, id, sample_fmt, name, long_name)
		535	#define PCM_DECODER(id, sample_fmt, name, long_name) \
		536	PCM_DECODER_3(CONFIG_ ## id ## _DECODER, id, sample_fmt, name, long_name)
		537
		538	#define PCM_CODEC(id, sample_fmt_, name, long_name_) \
		539	PCM_ENCODER(id, sample_fmt_, name, long_name_); \
		540	PCM_DECODER(id, sample_fmt_, name, long_name_)
		541
		542	/* Note: Do not forget to add new entries to the Makefile as well. */
		543	PCM_CODEC (PCM_ALAW, AV_SAMPLE_FMT_S16, pcm_alaw, "PCM A-law / G.711 A-law");
		544	PCM_CODEC (PCM_F32BE, AV_SAMPLE_FMT_FLT, pcm_f32be, "PCM 32-bit floating point big-endian");
		545	PCM_CODEC (PCM_F32LE, AV_SAMPLE_FMT_FLT, pcm_f32le, "PCM 32-bit floating point little-endian");
		546	PCM_CODEC (PCM_F64BE, AV_SAMPLE_FMT_DBL, pcm_f64be, "PCM 64-bit floating point big-endian");
		547	PCM_CODEC (PCM_F64LE, AV_SAMPLE_FMT_DBL, pcm_f64le, "PCM 64-bit floating point little-endian");
		548	PCM_DECODER(PCM_LXF, AV_SAMPLE_FMT_S32P,pcm_lxf, "PCM signed 20-bit little-endian planar");
		549	PCM_CODEC (PCM_MULAW, AV_SAMPLE_FMT_S16, pcm_mulaw, "PCM mu-law / G.711 mu-law");
		550	PCM_CODEC (PCM_S8, AV_SAMPLE_FMT_U8, pcm_s8, "PCM signed 8-bit");
		551	PCM_CODEC (PCM_S8_PLANAR, AV_SAMPLE_FMT_U8P, pcm_s8_planar, "PCM signed 8-bit planar");
		552	PCM_CODEC (PCM_S16BE, AV_SAMPLE_FMT_S16, pcm_s16be, "PCM signed 16-bit big-endian");
		553	PCM_CODEC (PCM_S16BE_PLANAR, AV_SAMPLE_FMT_S16P,pcm_s16be_planar, "PCM signed 16-bit big-endian planar");
		554	PCM_CODEC (PCM_S16LE, AV_SAMPLE_FMT_S16, pcm_s16le, "PCM signed 16-bit little-endian");
		555	PCM_CODEC (PCM_S16LE_PLANAR, AV_SAMPLE_FMT_S16P,pcm_s16le_planar, "PCM signed 16-bit little-endian planar");
		556	PCM_CODEC (PCM_S24BE, AV_SAMPLE_FMT_S32, pcm_s24be, "PCM signed 24-bit big-endian");
		557	PCM_CODEC (PCM_S24DAUD, AV_SAMPLE_FMT_S16, pcm_s24daud, "PCM D-Cinema audio signed 24-bit");
		558	PCM_CODEC (PCM_S24LE, AV_SAMPLE_FMT_S32, pcm_s24le, "PCM signed 24-bit little-endian");
		559	PCM_CODEC (PCM_S24LE_PLANAR, AV_SAMPLE_FMT_S32P,pcm_s24le_planar, "PCM signed 24-bit little-endian planar");
		560	PCM_CODEC (PCM_S32BE, AV_SAMPLE_FMT_S32, pcm_s32be, "PCM signed 32-bit big-endian");
		561	PCM_CODEC (PCM_S32LE, AV_SAMPLE_FMT_S32, pcm_s32le, "PCM signed 32-bit little-endian");
		562	PCM_CODEC (PCM_S32LE_PLANAR, AV_SAMPLE_FMT_S32P,pcm_s32le_planar, "PCM signed 32-bit little-endian planar");
		563	PCM_CODEC (PCM_U8, AV_SAMPLE_FMT_U8, pcm_u8, "PCM unsigned 8-bit");
		564	PCM_CODEC (PCM_U16BE, AV_SAMPLE_FMT_S16, pcm_u16be, "PCM unsigned 16-bit big-endian");
		565	PCM_CODEC (PCM_U16LE, AV_SAMPLE_FMT_S16, pcm_u16le, "PCM unsigned 16-bit little-endian");
		566	PCM_CODEC (PCM_U24BE, AV_SAMPLE_FMT_S32, pcm_u24be, "PCM unsigned 24-bit big-endian");
		567	PCM_CODEC (PCM_U24LE, AV_SAMPLE_FMT_S32, pcm_u24le, "PCM unsigned 24-bit little-endian");
		568	PCM_CODEC (PCM_U32BE, AV_SAMPLE_FMT_S32, pcm_u32be, "PCM unsigned 32-bit big-endian");
		569	PCM_CODEC (PCM_U32LE, AV_SAMPLE_FMT_S32, pcm_u32le, "PCM unsigned 32-bit little-endian");
		570	PCM_DECODER(PCM_ZORK, AV_SAMPLE_FMT_U8, pcm_zork, "PCM Zork");
		571

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(root)/contrib/sdk/sources/ffmpeg/libavcodec/pcm.c @ 4361 – Rev