FFmpeg
Data Structures | Macros | Functions
pcm.c File Reference

PCM codecs. More...

#include "libavutil/attributes.h"
#include "libavutil/float_dsp.h"
#include "avcodec.h"
#include "bytestream.h"
#include "internal.h"
#include "mathops.h"
#include "pcm_tablegen.h"

Go to the source code of this file.

Data Structures

struct  PCMDecode
 

Macros

#define ENCODE(type, endian, src, dst, n, shift, offset)
 Write PCM samples macro. More...
 
#define ENCODE_PLANAR(type, endian, dst, n, shift, offset)
 
#define DECODE(size, endian, src, dst, n, shift, offset)
 Read PCM samples macro. More...
 
#define DECODE_PLANAR(size, endian, src, dst, n, shift, offset)
 
#define PCM_ENCODER_0(id_, sample_fmt_, name_, long_name_)
 
#define PCM_ENCODER_1(id_, sample_fmt_, name_, long_name_)
 
#define PCM_ENCODER_2(cf, id, sample_fmt, name, long_name)   PCM_ENCODER_ ## cf(id, sample_fmt, name, long_name)
 
#define PCM_ENCODER_3(cf, id, sample_fmt, name, long_name)   PCM_ENCODER_2(cf, id, sample_fmt, name, long_name)
 
#define PCM_ENCODER(id, sample_fmt, name, long_name)   PCM_ENCODER_3(CONFIG_ ## id ## _ENCODER, id, sample_fmt, name, long_name)
 
#define PCM_DECODER_0(id, sample_fmt, name, long_name)
 
#define PCM_DECODER_1(id_, sample_fmt_, name_, long_name_)
 
#define PCM_DECODER_2(cf, id, sample_fmt, name, long_name)   PCM_DECODER_ ## cf(id, sample_fmt, name, long_name)
 
#define PCM_DECODER_3(cf, id, sample_fmt, name, long_name)   PCM_DECODER_2(cf, id, sample_fmt, name, long_name)
 
#define PCM_DECODER(id, sample_fmt, name, long_name)   PCM_DECODER_3(CONFIG_ ## id ## _DECODER, id, sample_fmt, name, long_name)
 
#define PCM_CODEC(id, sample_fmt_, name, long_name_)
 

Functions

static av_cold int pcm_encode_init (AVCodecContext *avctx)
 
static int pcm_encode_frame (AVCodecContext *avctx, AVPacket *avpkt, const AVFrame *frame, int *got_packet_ptr)
 
static av_cold int pcm_decode_init (AVCodecContext *avctx)
 
static av_cold int pcm_decode_close (AVCodecContext *avctx)
 
static int pcm_decode_frame (AVCodecContext *avctx, void *data, int *got_frame_ptr, AVPacket *avpkt)
 
 PCM_CODEC (PCM_ALAW, AV_SAMPLE_FMT_S16, pcm_alaw,"PCM A-law / G.711 A-law")
 
 PCM_DECODER (PCM_F16LE, AV_SAMPLE_FMT_FLT, pcm_f16le,"PCM 16.8 floating point little-endian")
 
 PCM_DECODER (PCM_F24LE, AV_SAMPLE_FMT_FLT, pcm_f24le,"PCM 24.0 floating point little-endian")
 
 PCM_CODEC (PCM_F32BE, AV_SAMPLE_FMT_FLT, pcm_f32be,"PCM 32-bit floating point big-endian")
 
 PCM_CODEC (PCM_F32LE, AV_SAMPLE_FMT_FLT, pcm_f32le,"PCM 32-bit floating point little-endian")
 
 PCM_CODEC (PCM_F64BE, AV_SAMPLE_FMT_DBL, pcm_f64be,"PCM 64-bit floating point big-endian")
 
 PCM_CODEC (PCM_F64LE, AV_SAMPLE_FMT_DBL, pcm_f64le,"PCM 64-bit floating point little-endian")
 
 PCM_DECODER (PCM_LXF, AV_SAMPLE_FMT_S32P, pcm_lxf,"PCM signed 20-bit little-endian planar")
 
 PCM_CODEC (PCM_MULAW, AV_SAMPLE_FMT_S16, pcm_mulaw,"PCM mu-law / G.711 mu-law")
 
 PCM_CODEC (PCM_S8, AV_SAMPLE_FMT_U8, pcm_s8,"PCM signed 8-bit")
 
 PCM_CODEC (PCM_S8_PLANAR, AV_SAMPLE_FMT_U8P, pcm_s8_planar,"PCM signed 8-bit planar")
 
 PCM_CODEC (PCM_S16BE, AV_SAMPLE_FMT_S16, pcm_s16be,"PCM signed 16-bit big-endian")
 
 PCM_CODEC (PCM_S16BE_PLANAR, AV_SAMPLE_FMT_S16P, pcm_s16be_planar,"PCM signed 16-bit big-endian planar")
 
 PCM_CODEC (PCM_S16LE, AV_SAMPLE_FMT_S16, pcm_s16le,"PCM signed 16-bit little-endian")
 
 PCM_CODEC (PCM_S16LE_PLANAR, AV_SAMPLE_FMT_S16P, pcm_s16le_planar,"PCM signed 16-bit little-endian planar")
 
 PCM_CODEC (PCM_S24BE, AV_SAMPLE_FMT_S32, pcm_s24be,"PCM signed 24-bit big-endian")
 
 PCM_CODEC (PCM_S24DAUD, AV_SAMPLE_FMT_S16, pcm_s24daud,"PCM D-Cinema audio signed 24-bit")
 
 PCM_CODEC (PCM_S24LE, AV_SAMPLE_FMT_S32, pcm_s24le,"PCM signed 24-bit little-endian")
 
 PCM_CODEC (PCM_S24LE_PLANAR, AV_SAMPLE_FMT_S32P, pcm_s24le_planar,"PCM signed 24-bit little-endian planar")
 
 PCM_CODEC (PCM_S32BE, AV_SAMPLE_FMT_S32, pcm_s32be,"PCM signed 32-bit big-endian")
 
 PCM_CODEC (PCM_S32LE, AV_SAMPLE_FMT_S32, pcm_s32le,"PCM signed 32-bit little-endian")
 
 PCM_CODEC (PCM_S32LE_PLANAR, AV_SAMPLE_FMT_S32P, pcm_s32le_planar,"PCM signed 32-bit little-endian planar")
 
 PCM_CODEC (PCM_U8, AV_SAMPLE_FMT_U8, pcm_u8,"PCM unsigned 8-bit")
 
 PCM_CODEC (PCM_U16BE, AV_SAMPLE_FMT_S16, pcm_u16be,"PCM unsigned 16-bit big-endian")
 
 PCM_CODEC (PCM_U16LE, AV_SAMPLE_FMT_S16, pcm_u16le,"PCM unsigned 16-bit little-endian")
 
 PCM_CODEC (PCM_U24BE, AV_SAMPLE_FMT_S32, pcm_u24be,"PCM unsigned 24-bit big-endian")
 
 PCM_CODEC (PCM_U24LE, AV_SAMPLE_FMT_S32, pcm_u24le,"PCM unsigned 24-bit little-endian")
 
 PCM_CODEC (PCM_U32BE, AV_SAMPLE_FMT_S32, pcm_u32be,"PCM unsigned 32-bit big-endian")
 
 PCM_CODEC (PCM_U32LE, AV_SAMPLE_FMT_S32, pcm_u32le,"PCM unsigned 32-bit little-endian")
 
 PCM_CODEC (PCM_S64BE, AV_SAMPLE_FMT_S64, pcm_s64be,"PCM signed 64-bit big-endian")
 
 PCM_CODEC (PCM_S64LE, AV_SAMPLE_FMT_S64, pcm_s64le,"PCM signed 64-bit little-endian")
 
 PCM_CODEC (PCM_VIDC, AV_SAMPLE_FMT_S16, pcm_vidc,"PCM Archimedes VIDC")
 

Detailed Description

PCM codecs.

Definition in file pcm.c.

Macro Definition Documentation

#define ENCODE (   type,
  endian,
  src,
  dst,
  n,
  shift,
  offset 
)
Value:
samples_ ## type = (const type *) src; \
for (; n > 0; n--) { \
register type v = (*samples_ ## type++ >> shift) + offset; \
bytestream_put_ ## endian(&dst, v); \
}
static int shift(int a, int b)
Definition: sonic.c:82
GLint GLenum type
Definition: opengl_enc.c:104
it s the only field you need to keep assuming you have a context There is some magic you don t need to care about around this just let it vf offset
#define src
Definition: vp8dsp.c:254
for(j=16;j >0;--j)

Write PCM samples macro.

Parameters
typeDatatype of native machine format
endianbytestream_put_xxx() suffix
srcSource pointer (variable name)
dstDestination pointer (variable name)
nTotal number of samples (variable name)
shiftBitshift (bits)
offsetSample value offset

Definition at line 69 of file pcm.c.

Referenced by pcm_encode_frame().

#define ENCODE_PLANAR (   type,
  endian,
  dst,
  n,
  shift,
  offset 
)
Value:
n /= avctx->channels; \
for (c = 0; c < avctx->channels; c++) { \
int i; \
samples_ ## type = (const type *) frame->extended_data[c]; \
for (i = n; i > 0; i--) { \
register type v = (*samples_ ## type++ >> shift) + offset; \
bytestream_put_ ## endian(&dst, v); \
} \
}
static int shift(int a, int b)
Definition: sonic.c:82
GLint GLenum type
Definition: opengl_enc.c:104
it s the only field you need to keep assuming you have a context There is some magic you don t need to care about around this just let it vf offset
Undefined Behavior In the C some operations are like signed integer dereferencing freed accessing outside allocated Undefined Behavior must not occur in a C it is not safe even if the output of undefined operations is unused The unsafety may seem nit picking but Optimizing compilers have in fact optimized code on the assumption that no undefined Behavior occurs Optimizing code based on wrong assumptions can and has in some cases lead to effects beyond the output of computations The signed integer overflow problem in speed critical code Code which is highly optimized and works with signed integers sometimes has the problem that often the output of the computation does not c
Definition: undefined.txt:32
#define i(width, name, range_min, range_max)
Definition: cbs_h2645.c:269
these buffered frames must be flushed immediately if a new input produces new the filter must not call request_frame to get more It must just process the frame or queue it The task of requesting more frames is left to the filter s request_frame method or the application If a filter has several the filter must be ready for frames arriving randomly on any input any filter with several inputs will most likely require some kind of queuing mechanism It is perfectly acceptable to have a limited queue and to drop frames when the inputs are too unbalanced request_frame For filters that do not use the this method is called when a frame is wanted on an output For a it should directly call filter_frame on the corresponding output For a if there are queued frames already one of these frames should be pushed If the filter should request a frame on one of its repeatedly until at least one frame has been pushed Return or at least make progress towards producing a frame
int
for(j=16;j >0;--j)

Definition at line 76 of file pcm.c.

Referenced by pcm_encode_frame().

#define DECODE (   size,
  endian,
  src,
  dst,
  n,
  shift,
  offset 
)
Value:
for (; n > 0; n--) { \
uint ## size ## _t v = bytestream_get_ ## endian(&src); \
AV_WN ## size ## A(dst, (uint ## size ## _t)(v - offset) << shift); \
dst += size / 8; \
}
static int shift(int a, int b)
Definition: sonic.c:82
it s the only field you need to keep assuming you have a context There is some magic you don t need to care about around this just let it vf offset
#define AV_WN(s, p, v)
Definition: intreadwrite.h:225
ptrdiff_t size
Definition: opengl_enc.c:100
#define A(x)
Definition: vp56_arith.h:28
#define src
Definition: vp8dsp.c:254

Read PCM samples macro.

Parameters
sizeData size of native machine format
endianbytestream_get_xxx() endian suffix
srcSource pointer (variable name)
dstDestination pointer (variable name)
nTotal number of samples (variable name)
shiftBitshift (bits)
offsetSample value offset

Definition at line 306 of file pcm.c.

Referenced by pcm_decode_frame().

#define DECODE_PLANAR (   size,
  endian,
  src,
  dst,
  n,
  shift,
  offset 
)
Value:
n /= avctx->channels; \
for (c = 0; c < avctx->channels; c++) { \
int i; \
dst = frame->extended_data[c]; \
for (i = n; i > 0; i--) { \
uint ## size ## _t v = bytestream_get_ ## endian(&src); \
AV_WN ## size ## A(dst, (uint ## size ##_t)(v - offset) << shift); \
dst += size / 8; \
} \
}
static int shift(int a, int b)
Definition: sonic.c:82
it s the only field you need to keep assuming you have a context There is some magic you don t need to care about around this just let it vf offset
#define AV_WN(s, p, v)
Definition: intreadwrite.h:225
Undefined Behavior In the C some operations are like signed integer dereferencing freed accessing outside allocated Undefined Behavior must not occur in a C it is not safe even if the output of undefined operations is unused The unsafety may seem nit picking but Optimizing compilers have in fact optimized code on the assumption that no undefined Behavior occurs Optimizing code based on wrong assumptions can and has in some cases lead to effects beyond the output of computations The signed integer overflow problem in speed critical code Code which is highly optimized and works with signed integers sometimes has the problem that often the output of the computation does not c
Definition: undefined.txt:32
ptrdiff_t size
Definition: opengl_enc.c:100
#define A(x)
Definition: vp56_arith.h:28
#define src
Definition: vp8dsp.c:254
#define i(width, name, range_min, range_max)
Definition: cbs_h2645.c:269
these buffered frames must be flushed immediately if a new input produces new the filter must not call request_frame to get more It must just process the frame or queue it The task of requesting more frames is left to the filter s request_frame method or the application If a filter has several the filter must be ready for frames arriving randomly on any input any filter with several inputs will most likely require some kind of queuing mechanism It is perfectly acceptable to have a limited queue and to drop frames when the inputs are too unbalanced request_frame For filters that do not use the this method is called when a frame is wanted on an output For a it should directly call filter_frame on the corresponding output For a if there are queued frames already one of these frames should be pushed If the filter should request a frame on one of its repeatedly until at least one frame has been pushed Return or at least make progress towards producing a frame
int
for(j=16;j >0;--j)

Definition at line 313 of file pcm.c.

Referenced by pcm_decode_frame().

#define PCM_ENCODER_0 (   id_,
  sample_fmt_,
  name_,
  long_name_ 
)

Definition at line 543 of file pcm.c.

#define PCM_ENCODER_1 (   id_,
  sample_fmt_,
  name_,
  long_name_ 
)
Value:
AVCodec ff_ ## name_ ## _encoder = { \
.name = #name_, \
.long_name = NULL_IF_CONFIG_SMALL(long_name_), \
.type = AVMEDIA_TYPE_AUDIO, \
.id = AV_CODEC_ID_ ## id_, \
.init = pcm_encode_init, \
.encode2 = pcm_encode_frame, \
.sample_fmts = (const enum AVSampleFormat[]){ sample_fmt_, \
}
static int pcm_encode_frame(AVCodecContext *avctx, AVPacket *avpkt, const AVFrame *frame, int *got_packet_ptr)
Definition: pcm.c:87
AVCodec.
Definition: codec.h:190
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:186
const char * name
Name of the codec implementation.
Definition: codec.h:197
#define AV_CODEC_CAP_VARIABLE_FRAME_SIZE
Audio encoder supports receiving a different number of samples in each call.
Definition: codec.h:122
static av_cold int pcm_encode_init(AVCodecContext *avctx)
Definition: pcm.c:35
AVSampleFormat
Audio sample formats.
Definition: samplefmt.h:58

Definition at line 544 of file pcm.c.

#define PCM_ENCODER_2 (   cf,
  id,
  sample_fmt,
  name,
  long_name 
)    PCM_ENCODER_ ## cf(id, sample_fmt, name, long_name)

Definition at line 557 of file pcm.c.

#define PCM_ENCODER_3 (   cf,
  id,
  sample_fmt,
  name,
  long_name 
)    PCM_ENCODER_2(cf, id, sample_fmt, name, long_name)

Definition at line 559 of file pcm.c.

#define PCM_ENCODER (   id,
  sample_fmt,
  name,
  long_name 
)    PCM_ENCODER_3(CONFIG_ ## id ## _ENCODER, id, sample_fmt, name, long_name)

Definition at line 561 of file pcm.c.

#define PCM_DECODER_0 (   id,
  sample_fmt,
  name,
  long_name 
)

Definition at line 564 of file pcm.c.

#define PCM_DECODER_1 (   id_,
  sample_fmt_,
  name_,
  long_name_ 
)
Value:
AVCodec ff_ ## name_ ## _decoder = { \
.name = #name_, \
.long_name = NULL_IF_CONFIG_SMALL(long_name_), \
.type = AVMEDIA_TYPE_AUDIO, \
.id = AV_CODEC_ID_ ## id_, \
.priv_data_size = sizeof(PCMDecode), \
.close = pcm_decode_close, \
.capabilities = AV_CODEC_CAP_DR1, \
.sample_fmts = (const enum AVSampleFormat[]){ sample_fmt_, \
}
static av_cold int init(AVCodecContext *avctx)
Definition: avrndec.c:35
AVCodec.
Definition: codec.h:190
static void decode(AVCodecContext *dec_ctx, AVPacket *pkt, AVFrame *frame, FILE *outfile)
Definition: decode_audio.c:71
Definition: pcm.c:236
static av_cold int pcm_decode_close(AVCodecContext *avctx)
Definition: pcm.c:287
static int pcm_decode_frame(AVCodecContext *avctx, void *data, int *got_frame_ptr, AVPacket *avpkt)
Definition: pcm.c:325
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:186
const char * name
Name of the codec implementation.
Definition: codec.h:197
AVSampleFormat
Audio sample formats.
Definition: samplefmt.h:58
static av_cold int pcm_decode_init(AVCodecContext *avctx)
Definition: pcm.c:242
static enum AVSampleFormat sample_fmts[]
Definition: adpcmenc.c:731
#define AV_CODEC_CAP_DR1
Codec uses get_buffer() for allocating buffers and supports custom allocators.
Definition: codec.h:50

Definition at line 565 of file pcm.c.

#define PCM_DECODER_2 (   cf,
  id,
  sample_fmt,
  name,
  long_name 
)    PCM_DECODER_ ## cf(id, sample_fmt, name, long_name)

Definition at line 580 of file pcm.c.

#define PCM_DECODER_3 (   cf,
  id,
  sample_fmt,
  name,
  long_name 
)    PCM_DECODER_2(cf, id, sample_fmt, name, long_name)

Definition at line 582 of file pcm.c.

#define PCM_DECODER (   id,
  sample_fmt,
  name,
  long_name 
)    PCM_DECODER_3(CONFIG_ ## id ## _DECODER, id, sample_fmt, name, long_name)

Definition at line 584 of file pcm.c.

#define PCM_CODEC (   id,
  sample_fmt_,
  name,
  long_name_ 
)
Value:
PCM_ENCODER(id, sample_fmt_, name, long_name_); \
PCM_DECODER(id, sample_fmt_, name, long_name_)
#define PCM_DECODER(id, sample_fmt, name, long_name)
Definition: pcm.c:584
#define PCM_ENCODER(id, sample_fmt, name, long_name)
Definition: pcm.c:561
const char * name
Definition: opengl_enc.c:102

Definition at line 587 of file pcm.c.

Function Documentation

static av_cold int pcm_encode_init ( AVCodecContext avctx)
static

Definition at line 35 of file pcm.c.

static int pcm_encode_frame ( AVCodecContext avctx,
AVPacket avpkt,
const AVFrame frame,
int got_packet_ptr 
)
static

Definition at line 87 of file pcm.c.

static av_cold int pcm_decode_init ( AVCodecContext avctx)
static

Definition at line 242 of file pcm.c.

static av_cold int pcm_decode_close ( AVCodecContext avctx)
static

Definition at line 287 of file pcm.c.

static int pcm_decode_frame ( AVCodecContext avctx,
void data,
int got_frame_ptr,
AVPacket avpkt 
)
static

Definition at line 325 of file pcm.c.

PCM_CODEC ( PCM_ALAW  ,
AV_SAMPLE_FMT_S16  ,
pcm_alaw  ,
"PCM A-law / G.711 A-law"   
)
PCM_DECODER ( PCM_F16LE  ,
AV_SAMPLE_FMT_FLT  ,
pcm_f16le  ,
"PCM 16.8 floating point little-endian"   
)
PCM_DECODER ( PCM_F24LE  ,
AV_SAMPLE_FMT_FLT  ,
pcm_f24le  ,
"PCM 24.0 floating point little-endian"   
)
PCM_CODEC ( PCM_F32BE  ,
AV_SAMPLE_FMT_FLT  ,
pcm_f32be  ,
"PCM 32-bit floating point big-endian"   
)
PCM_CODEC ( PCM_F32LE  ,
AV_SAMPLE_FMT_FLT  ,
pcm_f32le  ,
"PCM 32-bit floating point little-endian"   
)
PCM_CODEC ( PCM_F64BE  ,
AV_SAMPLE_FMT_DBL  ,
pcm_f64be  ,
"PCM 64-bit floating point big-endian"   
)
PCM_CODEC ( PCM_F64LE  ,
AV_SAMPLE_FMT_DBL  ,
pcm_f64le  ,
"PCM 64-bit floating point little-endian"   
)
PCM_DECODER ( PCM_LXF  ,
AV_SAMPLE_FMT_S32P  ,
pcm_lxf  ,
"PCM signed 20-bit little-endian planar  
)
PCM_CODEC ( PCM_MULAW  ,
AV_SAMPLE_FMT_S16  ,
pcm_mulaw  ,
"PCM mu-law / G.711 mu-law"   
)
PCM_CODEC ( PCM_S8  ,
AV_SAMPLE_FMT_U8  ,
pcm_s8  ,
"PCM signed 8-bit  
)
PCM_CODEC ( PCM_S8_PLANAR  ,
AV_SAMPLE_FMT_U8P  ,
pcm_s8_planar  ,
"PCM signed 8-bit planar  
)
PCM_CODEC ( PCM_S16BE  ,
AV_SAMPLE_FMT_S16  ,
pcm_s16be  ,
"PCM signed 16-bit big-endian"   
)
PCM_CODEC ( PCM_S16BE_PLANAR  ,
AV_SAMPLE_FMT_S16P  ,
pcm_s16be_planar  ,
"PCM signed 16-bit big-endian planar  
)
PCM_CODEC ( PCM_S16LE  ,
AV_SAMPLE_FMT_S16  ,
pcm_s16le  ,
"PCM signed 16-bit little-endian"   
)
PCM_CODEC ( PCM_S16LE_PLANAR  ,
AV_SAMPLE_FMT_S16P  ,
pcm_s16le_planar  ,
"PCM signed 16-bit little-endian planar  
)
PCM_CODEC ( PCM_S24BE  ,
AV_SAMPLE_FMT_S32  ,
pcm_s24be  ,
"PCM signed 24-bit big-endian"   
)
PCM_CODEC ( PCM_S24DAUD  ,
AV_SAMPLE_FMT_S16  ,
pcm_s24daud  ,
"PCM D-Cinema audio signed 24-bit  
)
PCM_CODEC ( PCM_S24LE  ,
AV_SAMPLE_FMT_S32  ,
pcm_s24le  ,
"PCM signed 24-bit little-endian"   
)
PCM_CODEC ( PCM_S24LE_PLANAR  ,
AV_SAMPLE_FMT_S32P  ,
pcm_s24le_planar  ,
"PCM signed 24-bit little-endian planar  
)
PCM_CODEC ( PCM_S32BE  ,
AV_SAMPLE_FMT_S32  ,
pcm_s32be  ,
"PCM signed 32-bit big-endian"   
)
PCM_CODEC ( PCM_S32LE  ,
AV_SAMPLE_FMT_S32  ,
pcm_s32le  ,
"PCM signed 32-bit little-endian"   
)
PCM_CODEC ( PCM_S32LE_PLANAR  ,
AV_SAMPLE_FMT_S32P  ,
pcm_s32le_planar  ,
"PCM signed 32-bit little-endian planar  
)
PCM_CODEC ( PCM_U8  ,
AV_SAMPLE_FMT_U8  ,
pcm_u8  ,
"PCM unsigned 8-bit  
)
PCM_CODEC ( PCM_U16BE  ,
AV_SAMPLE_FMT_S16  ,
pcm_u16be  ,
"PCM unsigned 16-bit big-endian"   
)
PCM_CODEC ( PCM_U16LE  ,
AV_SAMPLE_FMT_S16  ,
pcm_u16le  ,
"PCM unsigned 16-bit little-endian"   
)
PCM_CODEC ( PCM_U24BE  ,
AV_SAMPLE_FMT_S32  ,
pcm_u24be  ,
"PCM unsigned 24-bit big-endian"   
)
PCM_CODEC ( PCM_U24LE  ,
AV_SAMPLE_FMT_S32  ,
pcm_u24le  ,
"PCM unsigned 24-bit little-endian"   
)
PCM_CODEC ( PCM_U32BE  ,
AV_SAMPLE_FMT_S32  ,
pcm_u32be  ,
"PCM unsigned 32-bit big-endian"   
)
PCM_CODEC ( PCM_U32LE  ,
AV_SAMPLE_FMT_S32  ,
pcm_u32le  ,
"PCM unsigned 32-bit little-endian"   
)
PCM_CODEC ( PCM_S64BE  ,
AV_SAMPLE_FMT_S64  ,
pcm_s64be  ,
"PCM signed 64-bit big-endian"   
)
PCM_CODEC ( PCM_S64LE  ,
AV_SAMPLE_FMT_S64  ,
pcm_s64le  ,
"PCM signed 64-bit little-endian"   
)
PCM_CODEC ( PCM_VIDC  ,
AV_SAMPLE_FMT_S16  ,
pcm_vidc  ,
"PCM Archimedes VIDC"   
)