/*
* PCM codecs
- * Copyright (c) 2001 Fabrice Bellard.
+ * Copyright (c) 2001 Fabrice Bellard
*
* This file is part of FFmpeg.
*
*/
/**
- * @file pcm.c
+ * @file libavcodec/pcm.c
* PCM codecs
*/
#include "avcodec.h"
-#include "bitstream.h" // for ff_reverse
+#include "libavutil/common.h" /* for av_reverse */
#include "bytestream.h"
#define MAX_CHANNELS 64
break;
}
- switch(avctx->codec->id) {
- case CODEC_ID_PCM_S32LE:
- case CODEC_ID_PCM_S32BE:
- case CODEC_ID_PCM_U32LE:
- case CODEC_ID_PCM_U32BE:
- avctx->block_align = 4 * avctx->channels;
- break;
- case CODEC_ID_PCM_S24LE:
- case CODEC_ID_PCM_S24BE:
- case CODEC_ID_PCM_U24LE:
- case CODEC_ID_PCM_U24BE:
- case CODEC_ID_PCM_S24DAUD:
- avctx->block_align = 3 * avctx->channels;
- break;
- case CODEC_ID_PCM_S16LE:
- case CODEC_ID_PCM_S16BE:
- case CODEC_ID_PCM_U16LE:
- case CODEC_ID_PCM_U16BE:
- avctx->block_align = 2 * avctx->channels;
- break;
- case CODEC_ID_PCM_S8:
- case CODEC_ID_PCM_U8:
- case CODEC_ID_PCM_MULAW:
- case CODEC_ID_PCM_ALAW:
- avctx->block_align = avctx->channels;
- break;
- default:
- break;
- }
-
+ avctx->bits_per_coded_sample = av_get_bits_per_sample(avctx->codec->id);
+ avctx->block_align = avctx->channels * avctx->bits_per_coded_sample/8;
avctx->coded_frame= avcodec_alloc_frame();
avctx->coded_frame->key_frame= 1;
}
/**
- * \brief convert samples from 16 bit
- * \param bps byte per sample for the destination format, must be >= 2
- * \param le 0 for big-, 1 for little-endian
- * \param us 0 for signed, 1 for unsigned output
- * \param samples input samples
- * \param dst output samples
- * \param n number of samples in samples buffer.
+ * Write PCM samples macro
+ * @param type Datatype of native machine format
+ * @param endian bytestream_put_xxx() suffix
+ * @param src Source pointer (variable name)
+ * @param dst Destination pointer (variable name)
+ * @param n Total number of samples (variable name)
+ * @param shift Bitshift (bits)
+ * @param offset Sample value offset
*/
-static inline void encode_from16(int bps, int le, int us,
- short **samples, uint8_t **dst, int n) {
- int usum = us ? 0x8000 : 0;
- if (bps > 2)
- memset(*dst, 0, n * bps);
- if (le) *dst += bps - 2;
- for(;n>0;n--) {
- register int v = *(*samples)++;
- v += usum;
- if (le) AV_WL16(*dst, v);
- else AV_WB16(*dst, v);
- *dst += bps;
+#define ENCODE(type, endian, src, dst, n, shift, offset) \
+ samples_##type = (type*)src; \
+ for(;n>0;n--) { \
+ register type v = (*samples_##type++ >> shift) + offset; \
+ bytestream_put_##endian(&dst, v); \
}
- if (le) *dst -= bps - 2;
-}
static int pcm_encode_frame(AVCodecContext *avctx,
unsigned char *frame, int buf_size, void *data)
int n, sample_size, v;
short *samples;
unsigned char *dst;
-
- switch(avctx->codec->id) {
- case CODEC_ID_PCM_S32LE:
- case CODEC_ID_PCM_S32BE:
- case CODEC_ID_PCM_U32LE:
- case CODEC_ID_PCM_U32BE:
- sample_size = 4;
- break;
- case CODEC_ID_PCM_S24LE:
- case CODEC_ID_PCM_S24BE:
- case CODEC_ID_PCM_U24LE:
- case CODEC_ID_PCM_U24BE:
- case CODEC_ID_PCM_S24DAUD:
- sample_size = 3;
- break;
- case CODEC_ID_PCM_S16LE:
- case CODEC_ID_PCM_S16BE:
- case CODEC_ID_PCM_U16LE:
- case CODEC_ID_PCM_U16BE:
- sample_size = 2;
- break;
- default:
- sample_size = 1;
- break;
- }
+ uint8_t *srcu8;
+ int16_t *samples_int16_t;
+ int32_t *samples_int32_t;
+ int64_t *samples_int64_t;
+ uint16_t *samples_uint16_t;
+ uint32_t *samples_uint32_t;
+
+ sample_size = av_get_bits_per_sample(avctx->codec->id)/8;
n = buf_size / sample_size;
samples = data;
dst = frame;
+ if (avctx->sample_fmt!=avctx->codec->sample_fmts[0]) {
+ av_log(avctx, AV_LOG_ERROR, "invalid sample_fmt\n");
+ return -1;
+ }
+
switch(avctx->codec->id) {
- case CODEC_ID_PCM_S32LE:
- encode_from16(4, 1, 0, &samples, &dst, n);
- break;
- case CODEC_ID_PCM_S32BE:
- encode_from16(4, 0, 0, &samples, &dst, n);
- break;
case CODEC_ID_PCM_U32LE:
- encode_from16(4, 1, 1, &samples, &dst, n);
+ ENCODE(uint32_t, le32, samples, dst, n, 0, 0x80000000)
break;
case CODEC_ID_PCM_U32BE:
- encode_from16(4, 0, 1, &samples, &dst, n);
+ ENCODE(uint32_t, be32, samples, dst, n, 0, 0x80000000)
break;
case CODEC_ID_PCM_S24LE:
- encode_from16(3, 1, 0, &samples, &dst, n);
+ ENCODE(int32_t, le24, samples, dst, n, 8, 0)
break;
case CODEC_ID_PCM_S24BE:
- encode_from16(3, 0, 0, &samples, &dst, n);
+ ENCODE(int32_t, be24, samples, dst, n, 8, 0)
break;
case CODEC_ID_PCM_U24LE:
- encode_from16(3, 1, 1, &samples, &dst, n);
+ ENCODE(uint32_t, le24, samples, dst, n, 8, 0x800000)
break;
case CODEC_ID_PCM_U24BE:
- encode_from16(3, 0, 1, &samples, &dst, n);
+ ENCODE(uint32_t, be24, samples, dst, n, 8, 0x800000)
break;
case CODEC_ID_PCM_S24DAUD:
for(;n>0;n--) {
- uint32_t tmp = ff_reverse[*samples >> 8] +
- (ff_reverse[*samples & 0xff] << 8);
+ uint32_t tmp = av_reverse[(*samples >> 8) & 0xff] +
+ (av_reverse[*samples & 0xff] << 8);
tmp <<= 4; // sync flags would go here
bytestream_put_be24(&dst, tmp);
samples++;
}
break;
- case CODEC_ID_PCM_S16LE:
- for(;n>0;n--) {
- v = *samples++;
- bytestream_put_le16(&dst, v);
- }
- break;
- case CODEC_ID_PCM_S16BE:
- for(;n>0;n--) {
- v = *samples++;
- bytestream_put_be16(&dst, v);
- }
- break;
case CODEC_ID_PCM_U16LE:
- for(;n>0;n--) {
- v = *samples++;
- v += 0x8000;
- bytestream_put_le16(&dst, v);
- }
+ ENCODE(uint16_t, le16, samples, dst, n, 0, 0x8000)
break;
case CODEC_ID_PCM_U16BE:
- for(;n>0;n--) {
- v = *samples++;
- v += 0x8000;
- bytestream_put_be16(&dst, v);
- }
+ ENCODE(uint16_t, be16, samples, dst, n, 0, 0x8000)
break;
case CODEC_ID_PCM_S8:
+ srcu8= data;
for(;n>0;n--) {
- v = *samples++;
- *dst++ = v >> 8;
+ v = *srcu8++;
+ *dst++ = v - 128;
}
break;
+#if HAVE_BIGENDIAN
+ case CODEC_ID_PCM_F64LE:
+ ENCODE(int64_t, le64, samples, dst, n, 0, 0)
+ break;
+ case CODEC_ID_PCM_S32LE:
+ case CODEC_ID_PCM_F32LE:
+ ENCODE(int32_t, le32, samples, dst, n, 0, 0)
+ break;
+ case CODEC_ID_PCM_S16LE:
+ ENCODE(int16_t, le16, samples, dst, n, 0, 0)
+ break;
+ case CODEC_ID_PCM_F64BE:
+ case CODEC_ID_PCM_F32BE:
+ case CODEC_ID_PCM_S32BE:
+ case CODEC_ID_PCM_S16BE:
+#else
+ case CODEC_ID_PCM_F64BE:
+ ENCODE(int64_t, be64, samples, dst, n, 0, 0)
+ break;
+ case CODEC_ID_PCM_F32BE:
+ case CODEC_ID_PCM_S32BE:
+ ENCODE(int32_t, be32, samples, dst, n, 0, 0)
+ break;
+ case CODEC_ID_PCM_S16BE:
+ ENCODE(int16_t, be16, samples, dst, n, 0, 0)
+ break;
+ case CODEC_ID_PCM_F64LE:
+ case CODEC_ID_PCM_F32LE:
+ case CODEC_ID_PCM_S32LE:
+ case CODEC_ID_PCM_S16LE:
+#endif /* HAVE_BIGENDIAN */
case CODEC_ID_PCM_U8:
- for(;n>0;n--) {
- v = *samples++;
- *dst++ = (v >> 8) + 128;
- }
+ memcpy(dst, samples, n*sample_size);
+ dst += n*sample_size;
break;
case CODEC_ID_PCM_ZORK:
for(;n>0;n--) {
default:
break;
}
+
+ avctx->sample_fmt = avctx->codec->sample_fmts[0];
return 0;
}
/**
- * \brief convert samples to 16 bit
- * \param bps byte per sample for the source format, must be >= 2
- * \param le 0 for big-, 1 for little-endian
- * \param us 0 for signed, 1 for unsigned input
- * \param src input samples
- * \param samples output samples
- * \param src_len number of bytes in src
+ * Read PCM samples macro
+ * @param type Datatype of native machine format
+ * @param endian bytestream_get_xxx() endian suffix
+ * @param src Source pointer (variable name)
+ * @param dst Destination pointer (variable name)
+ * @param n Total number of samples (variable name)
+ * @param shift Bitshift (bits)
+ * @param offset Sample value offset
*/
-static inline void decode_to16(int bps, int le, int us,
- const uint8_t **src, short **samples, int src_len)
-{
- int usum = us ? -0x8000 : 0;
- register int n = src_len / bps;
- if (le) *src += bps - 2;
- for(;n>0;n--) {
- register int v;
- if (le) v = AV_RL16(*src);
- else v = AV_RB16(*src);
- v += usum;
- *(*samples)++ = v;
- *src += bps;
- }
- if (le) *src -= bps - 2;
-}
+#define DECODE(type, endian, src, dst, n, shift, offset) \
+ dst_##type = (type*)dst; \
+ for(;n>0;n--) { \
+ register type v = bytestream_get_##endian(&src); \
+ *dst_##type++ = (v - offset) << shift; \
+ } \
+ dst = (short*)dst_##type;
static int pcm_decode_frame(AVCodecContext *avctx,
void *data, int *data_size,
- const uint8_t *buf, int buf_size)
+ AVPacket *avpkt)
{
+ const uint8_t *buf = avpkt->data;
+ int buf_size = avpkt->size;
PCMDecode *s = avctx->priv_data;
- int c, n;
+ int sample_size, c, n;
short *samples;
- const uint8_t *src, *src2[MAX_CHANNELS];
+ const uint8_t *src, *src8, *src2[MAX_CHANNELS];
+ uint8_t *dstu8;
+ int16_t *dst_int16_t;
+ int32_t *dst_int32_t;
+ int64_t *dst_int64_t;
+ uint16_t *dst_uint16_t;
+ uint32_t *dst_uint32_t;
samples = data;
src = buf;
+ if (avctx->sample_fmt!=avctx->codec->sample_fmts[0]) {
+ av_log(avctx, AV_LOG_ERROR, "invalid sample_fmt\n");
+ return -1;
+ }
+
if(avctx->channels <= 0 || avctx->channels > MAX_CHANNELS){
av_log(avctx, AV_LOG_ERROR, "PCM channels out of bounds\n");
return -1;
}
- n = avctx->channels * av_get_bits_per_sample(avctx->codec_id)/8;
+ sample_size = av_get_bits_per_sample(avctx->codec_id)/8;
+
/* av_get_bits_per_sample returns 0 for CODEC_ID_PCM_DVD */
if (CODEC_ID_PCM_DVD == avctx->codec_id)
/* 2 samples are interleaved per block in PCM_DVD */
- n = 2 * avctx->channels * avctx->bits_per_sample/8;
+ sample_size = avctx->bits_per_coded_sample * 2 / 8;
+
+ n = avctx->channels * sample_size;
if(n && buf_size % n){
- av_log(avctx, AV_LOG_ERROR, "invalid PCM packet\n");
- return -1;
+ if (buf_size < n) {
+ av_log(avctx, AV_LOG_ERROR, "invalid PCM packet\n");
+ return -1;
+ }else
+ buf_size -= buf_size % n;
}
buf_size= FFMIN(buf_size, *data_size/2);
*data_size=0;
- n = buf_size/avctx->channels;
- for(c=0;c<avctx->channels;c++)
- src2[c] = &src[c*n];
+ n = buf_size/sample_size;
switch(avctx->codec->id) {
- case CODEC_ID_PCM_S32LE:
- decode_to16(4, 1, 0, &src, &samples, buf_size);
- break;
- case CODEC_ID_PCM_S32BE:
- decode_to16(4, 0, 0, &src, &samples, buf_size);
- break;
case CODEC_ID_PCM_U32LE:
- decode_to16(4, 1, 1, &src, &samples, buf_size);
+ DECODE(uint32_t, le32, src, samples, n, 0, 0x80000000)
break;
case CODEC_ID_PCM_U32BE:
- decode_to16(4, 0, 1, &src, &samples, buf_size);
+ DECODE(uint32_t, be32, src, samples, n, 0, 0x80000000)
break;
case CODEC_ID_PCM_S24LE:
- decode_to16(3, 1, 0, &src, &samples, buf_size);
+ DECODE(int32_t, le24, src, samples, n, 8, 0)
break;
case CODEC_ID_PCM_S24BE:
- decode_to16(3, 0, 0, &src, &samples, buf_size);
+ DECODE(int32_t, be24, src, samples, n, 8, 0)
break;
case CODEC_ID_PCM_U24LE:
- decode_to16(3, 1, 1, &src, &samples, buf_size);
+ DECODE(uint32_t, le24, src, samples, n, 8, 0x800000)
break;
case CODEC_ID_PCM_U24BE:
- decode_to16(3, 0, 1, &src, &samples, buf_size);
+ DECODE(uint32_t, be24, src, samples, n, 8, 0x800000)
break;
case CODEC_ID_PCM_S24DAUD:
- n = buf_size / 3;
for(;n>0;n--) {
uint32_t v = bytestream_get_be24(&src);
v >>= 4; // sync flags are here
- *samples++ = ff_reverse[(v >> 8) & 0xff] +
- (ff_reverse[v & 0xff] << 8);
- }
- break;
- case CODEC_ID_PCM_S16LE:
- n = buf_size >> 1;
- for(;n>0;n--) {
- *samples++ = bytestream_get_le16(&src);
+ *samples++ = av_reverse[(v >> 8) & 0xff] +
+ (av_reverse[v & 0xff] << 8);
}
break;
case CODEC_ID_PCM_S16LE_PLANAR:
- for(n>>=1;n>0;n--)
+ n /= avctx->channels;
+ for(c=0;c<avctx->channels;c++)
+ src2[c] = &src[c*n*2];
+ for(;n>0;n--)
for(c=0;c<avctx->channels;c++)
*samples++ = bytestream_get_le16(&src2[c]);
src = src2[avctx->channels-1];
break;
- case CODEC_ID_PCM_S16BE:
- n = buf_size >> 1;
- for(;n>0;n--) {
- *samples++ = bytestream_get_be16(&src);
- }
- break;
case CODEC_ID_PCM_U16LE:
- n = buf_size >> 1;
- for(;n>0;n--) {
- *samples++ = bytestream_get_le16(&src) - 0x8000;
- }
+ DECODE(uint16_t, le16, src, samples, n, 0, 0x8000)
break;
case CODEC_ID_PCM_U16BE:
- n = buf_size >> 1;
- for(;n>0;n--) {
- *samples++ = bytestream_get_be16(&src) - 0x8000;
- }
+ DECODE(uint16_t, be16, src, samples, n, 0, 0x8000)
break;
case CODEC_ID_PCM_S8:
- n = buf_size;
+ dstu8= (uint8_t*)samples;
for(;n>0;n--) {
- *samples++ = *src++ << 8;
+ *dstu8++ = *src++ + 128;
}
+ samples= (short*)dstu8;
+ break;
+#if HAVE_BIGENDIAN
+ case CODEC_ID_PCM_F64LE:
+ DECODE(int64_t, le64, src, samples, n, 0, 0)
+ break;
+ case CODEC_ID_PCM_S32LE:
+ case CODEC_ID_PCM_F32LE:
+ DECODE(int32_t, le32, src, samples, n, 0, 0)
break;
+ case CODEC_ID_PCM_S16LE:
+ DECODE(int16_t, le16, src, samples, n, 0, 0)
+ break;
+ case CODEC_ID_PCM_F64BE:
+ case CODEC_ID_PCM_F32BE:
+ case CODEC_ID_PCM_S32BE:
+ case CODEC_ID_PCM_S16BE:
+#else
+ case CODEC_ID_PCM_F64BE:
+ DECODE(int64_t, be64, src, samples, n, 0, 0)
+ break;
+ case CODEC_ID_PCM_F32BE:
+ case CODEC_ID_PCM_S32BE:
+ DECODE(int32_t, be32, src, samples, n, 0, 0)
+ break;
+ case CODEC_ID_PCM_S16BE:
+ DECODE(int16_t, be16, src, samples, n, 0, 0)
+ break;
+ case CODEC_ID_PCM_F64LE:
+ case CODEC_ID_PCM_F32LE:
+ case CODEC_ID_PCM_S32LE:
+ case CODEC_ID_PCM_S16LE:
+#endif /* HAVE_BIGENDIAN */
case CODEC_ID_PCM_U8:
- n = buf_size;
- for(;n>0;n--) {
- *samples++ = ((int)*src++ - 128) << 8;
- }
+ memcpy(samples, src, n*sample_size);
+ src += n*sample_size;
+ samples = (short*)((uint8_t*)data + n*sample_size);
break;
case CODEC_ID_PCM_ZORK:
- n = buf_size;
for(;n>0;n--) {
int x= *src++;
if(x&128) x-= 128;
break;
case CODEC_ID_PCM_ALAW:
case CODEC_ID_PCM_MULAW:
- n = buf_size;
for(;n>0;n--) {
*samples++ = s->table[*src++];
}
break;
case CODEC_ID_PCM_DVD:
- if(avctx->bits_per_sample != 20 && avctx->bits_per_sample != 24) {
- av_log(avctx, AV_LOG_ERROR, "PCM DVD unsupported sample depth\n");
- return -1;
- } else {
- int jump = avctx->channels * (avctx->bits_per_sample-16) / 4;
- n = buf_size / (avctx->channels * 2 * avctx->bits_per_sample / 8);
+ dst_int32_t = data;
+ n /= avctx->channels;
+ switch (avctx->bits_per_coded_sample) {
+ case 20:
while (n--) {
- for (c=0; c < 2*avctx->channels; c++)
- *samples++ = bytestream_get_be16(&src);
- src += jump;
+ c = avctx->channels;
+ src8 = src + 4*c;
+ while (c--) {
+ *dst_int32_t++ = (bytestream_get_be16(&src) << 16) + ((*src8 &0xf0) << 8);
+ *dst_int32_t++ = (bytestream_get_be16(&src) << 16) + ((*src8++ &0x0f) << 12);
+ }
+ src = src8;
}
+ break;
+ case 24:
+ while (n--) {
+ c = avctx->channels;
+ src8 = src + 4*c;
+ while (c--) {
+ *dst_int32_t++ = (bytestream_get_be16(&src) << 16) + ((*src8++) << 8);
+ *dst_int32_t++ = (bytestream_get_be16(&src) << 16) + ((*src8++) << 8);
+ }
+ src = src8;
+ }
+ break;
+ default:
+ av_log(avctx, AV_LOG_ERROR, "PCM DVD unsupported sample depth\n");
+ return -1;
+ break;
}
+ samples = (short *) dst_int32_t;
break;
default:
return -1;
return src - buf;
}
-#ifdef CONFIG_ENCODERS
-#define PCM_ENCODER(id,name,long_name_) \
+#if CONFIG_ENCODERS
+#define PCM_ENCODER(id,sample_fmt_,name,long_name_) \
AVCodec name ## _encoder = { \
#name, \
CODEC_TYPE_AUDIO, \
pcm_encode_frame, \
pcm_encode_close, \
NULL, \
+ .sample_fmts = (const enum SampleFormat[]){sample_fmt_,SAMPLE_FMT_NONE}, \
.long_name = NULL_IF_CONFIG_SMALL(long_name_), \
};
#else
-#define PCM_ENCODER(id,name,long_name_)
+#define PCM_ENCODER(id,sample_fmt_,name,long_name_)
#endif
-#ifdef CONFIG_DECODERS
-#define PCM_DECODER(id,name,long_name_) \
+#if CONFIG_DECODERS
+#define PCM_DECODER(id,sample_fmt_,name,long_name_) \
AVCodec name ## _decoder = { \
#name, \
CODEC_TYPE_AUDIO, \
NULL, \
NULL, \
pcm_decode_frame, \
+ .sample_fmts = (const enum SampleFormat[]){sample_fmt_,SAMPLE_FMT_NONE}, \
.long_name = NULL_IF_CONFIG_SMALL(long_name_), \
};
#else
-#define PCM_DECODER(id,name,long_name_)
+#define PCM_DECODER(id,sample_fmt_,name,long_name_)
#endif
-#define PCM_CODEC(id, name, long_name_) \
- PCM_ENCODER(id,name,long_name_) PCM_DECODER(id,name,long_name_)
-
-PCM_CODEC (CODEC_ID_PCM_ALAW, pcm_alaw, "A-law PCM");
-PCM_CODEC (CODEC_ID_PCM_DVD, pcm_dvd, "signed 16|20|24-bit big-endian PCM");
-PCM_CODEC (CODEC_ID_PCM_MULAW, pcm_mulaw, "mu-law PCM");
-PCM_CODEC (CODEC_ID_PCM_S8, pcm_s8, "signed 8-bit PCM");
-PCM_CODEC (CODEC_ID_PCM_S16BE, pcm_s16be, "signed 16-bit big-endian PCM");
-PCM_CODEC (CODEC_ID_PCM_S16LE, pcm_s16le, "signed 16-bit little-endian PCM");
-PCM_DECODER(CODEC_ID_PCM_S16LE_PLANAR, pcm_s16le_planar, "16-bit little-endian planar PCM");
-PCM_CODEC (CODEC_ID_PCM_S24BE, pcm_s24be, "signed 24-bit big-endian PCM");
-PCM_CODEC (CODEC_ID_PCM_S24DAUD, pcm_s24daud, "D-Cinema audio signed 24-bit PCM");
-PCM_CODEC (CODEC_ID_PCM_S24LE, pcm_s24le, "signed 24-bit little-endian PCM");
-PCM_CODEC (CODEC_ID_PCM_S32BE, pcm_s32be, "signed 32-bit big-endian PCM");
-PCM_CODEC (CODEC_ID_PCM_S32LE, pcm_s32le, "signed 32-bit little-endian PCM");
-PCM_CODEC (CODEC_ID_PCM_U8, pcm_u8, "unsigned 8-bit PCM");
-PCM_CODEC (CODEC_ID_PCM_U16BE, pcm_u16be, "unsigned 16-bit big-endian PCM");
-PCM_CODEC (CODEC_ID_PCM_U16LE, pcm_u16le, "unsigned 16-bit little-endian PCM");
-PCM_CODEC (CODEC_ID_PCM_U24BE, pcm_u24be, "unsigned 24-bit big-endian PCM");
-PCM_CODEC (CODEC_ID_PCM_U24LE, pcm_u24le, "unsigned 24-bit little-endian PCM");
-PCM_CODEC (CODEC_ID_PCM_U32BE, pcm_u32be, "unsigned 32-bit big-endian PCM");
-PCM_CODEC (CODEC_ID_PCM_U32LE, pcm_u32le, "unsigned 32-bit little-endian PCM");
-PCM_CODEC (CODEC_ID_PCM_ZORK, pcm_zork, "Zork PCM");
+#define PCM_CODEC(id, sample_fmt_, name, long_name_) \
+ PCM_ENCODER(id,sample_fmt_,name,long_name_) PCM_DECODER(id,sample_fmt_,name,long_name_)
+
+/* Note: Do not forget to add new entries to the Makefile as well. */
+PCM_CODEC (CODEC_ID_PCM_ALAW, SAMPLE_FMT_S16, pcm_alaw, "PCM A-law");
+PCM_CODEC (CODEC_ID_PCM_DVD, SAMPLE_FMT_S32, pcm_dvd, "PCM signed 20|24-bit big-endian");
+PCM_CODEC (CODEC_ID_PCM_F32BE, SAMPLE_FMT_FLT, pcm_f32be, "PCM 32-bit floating point big-endian");
+PCM_CODEC (CODEC_ID_PCM_F32LE, SAMPLE_FMT_FLT, pcm_f32le, "PCM 32-bit floating point little-endian");
+PCM_CODEC (CODEC_ID_PCM_F64BE, SAMPLE_FMT_DBL, pcm_f64be, "PCM 64-bit floating point big-endian");
+PCM_CODEC (CODEC_ID_PCM_F64LE, SAMPLE_FMT_DBL, pcm_f64le, "PCM 64-bit floating point little-endian");
+PCM_CODEC (CODEC_ID_PCM_MULAW, SAMPLE_FMT_S16, pcm_mulaw, "PCM mu-law");
+PCM_CODEC (CODEC_ID_PCM_S8, SAMPLE_FMT_U8, pcm_s8, "PCM signed 8-bit");
+PCM_CODEC (CODEC_ID_PCM_S16BE, SAMPLE_FMT_S16, pcm_s16be, "PCM signed 16-bit big-endian");
+PCM_CODEC (CODEC_ID_PCM_S16LE, SAMPLE_FMT_S16, pcm_s16le, "PCM signed 16-bit little-endian");
+PCM_DECODER(CODEC_ID_PCM_S16LE_PLANAR, SAMPLE_FMT_S16, pcm_s16le_planar, "PCM 16-bit little-endian planar");
+PCM_CODEC (CODEC_ID_PCM_S24BE, SAMPLE_FMT_S32, pcm_s24be, "PCM signed 24-bit big-endian");
+PCM_CODEC (CODEC_ID_PCM_S24DAUD, SAMPLE_FMT_S16, pcm_s24daud, "PCM D-Cinema audio signed 24-bit");
+PCM_CODEC (CODEC_ID_PCM_S24LE, SAMPLE_FMT_S32, pcm_s24le, "PCM signed 24-bit little-endian");
+PCM_CODEC (CODEC_ID_PCM_S32BE, SAMPLE_FMT_S32, pcm_s32be, "PCM signed 32-bit big-endian");
+PCM_CODEC (CODEC_ID_PCM_S32LE, SAMPLE_FMT_S32, pcm_s32le, "PCM signed 32-bit little-endian");
+PCM_CODEC (CODEC_ID_PCM_U8, SAMPLE_FMT_U8, pcm_u8, "PCM unsigned 8-bit");
+PCM_CODEC (CODEC_ID_PCM_U16BE, SAMPLE_FMT_S16, pcm_u16be, "PCM unsigned 16-bit big-endian");
+PCM_CODEC (CODEC_ID_PCM_U16LE, SAMPLE_FMT_S16, pcm_u16le, "PCM unsigned 16-bit little-endian");
+PCM_CODEC (CODEC_ID_PCM_U24BE, SAMPLE_FMT_S32, pcm_u24be, "PCM unsigned 24-bit big-endian");
+PCM_CODEC (CODEC_ID_PCM_U24LE, SAMPLE_FMT_S32, pcm_u24le, "PCM unsigned 24-bit little-endian");
+PCM_CODEC (CODEC_ID_PCM_U32BE, SAMPLE_FMT_S32, pcm_u32be, "PCM unsigned 32-bit big-endian");
+PCM_CODEC (CODEC_ID_PCM_U32LE, SAMPLE_FMT_S32, pcm_u32le, "PCM unsigned 32-bit little-endian");
+PCM_CODEC (CODEC_ID_PCM_ZORK, SAMPLE_FMT_S16, pcm_zork, "PCM Zork");