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submodule
ffmpeg
Commits
6d21f498
Commit
6d21f498
authored
Mar 30, 2012
by
Aneesh Dogra
Committed by
Diego Biurrun
Apr 04, 2012
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Plain Diff
pcm: K&R formatting cosmetics
Signed-off-by:
Diego Biurrun
<
diego@biurrun.de
>
parent
835a893b
Hide whitespace changes
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Showing
1 changed file
with
136 additions
and
129 deletions
+136
-129
pcm.c
libavcodec/pcm.c
+136
-129
No files found.
libavcodec/pcm.c
View file @
6d21f498
...
@@ -24,8 +24,8 @@
...
@@ -24,8 +24,8 @@
* PCM codecs
* PCM codecs
*/
*/
#include "avcodec.h"
#include "libavutil/common.h"
/* for av_reverse */
#include "libavutil/common.h"
/* for av_reverse */
#include "avcodec.h"
#include "bytestream.h"
#include "bytestream.h"
#include "internal.h"
#include "internal.h"
#include "pcm_tablegen.h"
#include "pcm_tablegen.h"
...
@@ -35,7 +35,7 @@
...
@@ -35,7 +35,7 @@
static
av_cold
int
pcm_encode_init
(
AVCodecContext
*
avctx
)
static
av_cold
int
pcm_encode_init
(
AVCodecContext
*
avctx
)
{
{
avctx
->
frame_size
=
0
;
avctx
->
frame_size
=
0
;
switch
(
avctx
->
codec
->
id
)
{
switch
(
avctx
->
codec
->
id
)
{
case
CODEC_ID_PCM_ALAW
:
case
CODEC_ID_PCM_ALAW
:
pcm_alaw_tableinit
();
pcm_alaw_tableinit
();
break
;
break
;
...
@@ -47,8 +47,8 @@ static av_cold int pcm_encode_init(AVCodecContext *avctx)
...
@@ -47,8 +47,8 @@ static av_cold int pcm_encode_init(AVCodecContext *avctx)
}
}
avctx
->
bits_per_coded_sample
=
av_get_bits_per_sample
(
avctx
->
codec
->
id
);
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
->
block_align
=
avctx
->
channels
*
avctx
->
bits_per_coded_sample
/
8
;
avctx
->
coded_frame
=
avcodec_alloc_frame
();
avctx
->
coded_frame
=
avcodec_alloc_frame
();
if
(
!
avctx
->
coded_frame
)
if
(
!
avctx
->
coded_frame
)
return
AVERROR
(
ENOMEM
);
return
AVERROR
(
ENOMEM
);
...
@@ -64,19 +64,19 @@ static av_cold int pcm_encode_close(AVCodecContext *avctx)
...
@@ -64,19 +64,19 @@ static av_cold int pcm_encode_close(AVCodecContext *avctx)
/**
/**
* Write PCM samples macro
* Write PCM samples macro
* @param type Datatype of native machine format
* @param type
Datatype of native machine format
* @param endian bytestream_put_xxx() suffix
* @param endian bytestream_put_xxx() suffix
* @param src Source pointer (variable name)
* @param src
Source pointer (variable name)
* @param dst Destination pointer (variable name)
* @param dst
Destination pointer (variable name)
* @param n Total number of samples (variable name)
* @param n
Total number of samples (variable name)
* @param shift Bitshift (bits)
* @param shift
Bitshift (bits)
* @param offset Sample value offset
* @param offset Sample value offset
*/
*/
#define ENCODE(type, endian, src, dst, n, shift, offset) \
#define ENCODE(type, endian, src, dst, n, shift, offset)
\
samples_
##type = (const type*) src;
\
samples_
## type = (const type *) src;
\
for
(;n>0;n--) {
\
for
(; n > 0; n--) {
\
register type v = (*samples_
##type++ >> shift) + offset;
\
register type v = (*samples_
## type++ >> shift) + offset;
\
bytestream_put_
##endian(&dst, v);
\
bytestream_put_
## endian(&dst, v);
\
}
}
static
int
pcm_encode_frame
(
AVCodecContext
*
avctx
,
AVPacket
*
avpkt
,
static
int
pcm_encode_frame
(
AVCodecContext
*
avctx
,
AVPacket
*
avpkt
,
...
@@ -92,7 +92,7 @@ static int pcm_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
...
@@ -92,7 +92,7 @@ static int pcm_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
const
uint16_t
*
samples_uint16_t
;
const
uint16_t
*
samples_uint16_t
;
const
uint32_t
*
samples_uint32_t
;
const
uint32_t
*
samples_uint32_t
;
sample_size
=
av_get_bits_per_sample
(
avctx
->
codec
->
id
)
/
8
;
sample_size
=
av_get_bits_per_sample
(
avctx
->
codec
->
id
)
/
8
;
n
=
frame
->
nb_samples
*
avctx
->
channels
;
n
=
frame
->
nb_samples
*
avctx
->
channels
;
samples
=
(
const
short
*
)
frame
->
data
[
0
];
samples
=
(
const
short
*
)
frame
->
data
[
0
];
...
@@ -102,7 +102,7 @@ static int pcm_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
...
@@ -102,7 +102,7 @@ static int pcm_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
}
}
dst
=
avpkt
->
data
;
dst
=
avpkt
->
data
;
switch
(
avctx
->
codec
->
id
)
{
switch
(
avctx
->
codec
->
id
)
{
case
CODEC_ID_PCM_U32LE
:
case
CODEC_ID_PCM_U32LE
:
ENCODE
(
uint32_t
,
le32
,
samples
,
dst
,
n
,
0
,
0x80000000
)
ENCODE
(
uint32_t
,
le32
,
samples
,
dst
,
n
,
0
,
0x80000000
)
break
;
break
;
...
@@ -122,7 +122,7 @@ static int pcm_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
...
@@ -122,7 +122,7 @@ static int pcm_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
ENCODE
(
uint32_t
,
be24
,
samples
,
dst
,
n
,
8
,
0x800000
)
ENCODE
(
uint32_t
,
be24
,
samples
,
dst
,
n
,
8
,
0x800000
)
break
;
break
;
case
CODEC_ID_PCM_S24DAUD
:
case
CODEC_ID_PCM_S24DAUD
:
for
(;
n
>
0
;
n
--
)
{
for
(;
n
>
0
;
n
--
)
{
uint32_t
tmp
=
av_reverse
[(
*
samples
>>
8
)
&
0xff
]
+
uint32_t
tmp
=
av_reverse
[(
*
samples
>>
8
)
&
0xff
]
+
(
av_reverse
[
*
samples
&
0xff
]
<<
8
);
(
av_reverse
[
*
samples
&
0xff
]
<<
8
);
tmp
<<=
4
;
// sync flags would go here
tmp
<<=
4
;
// sync flags would go here
...
@@ -138,8 +138,8 @@ static int pcm_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
...
@@ -138,8 +138,8 @@ static int pcm_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
break
;
break
;
case
CODEC_ID_PCM_S8
:
case
CODEC_ID_PCM_S8
:
srcu8
=
frame
->
data
[
0
];
srcu8
=
frame
->
data
[
0
];
for
(;
n
>
0
;
n
--
)
{
for
(;
n
>
0
;
n
--
)
{
v
=
*
srcu8
++
;
v
=
*
srcu8
++
;
*
dst
++
=
v
-
128
;
*
dst
++
=
v
-
128
;
}
}
break
;
break
;
...
@@ -175,18 +175,18 @@ static int pcm_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
...
@@ -175,18 +175,18 @@ static int pcm_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
case
CODEC_ID_PCM_S16LE
:
case
CODEC_ID_PCM_S16LE
:
#endif
/* HAVE_BIGENDIAN */
#endif
/* HAVE_BIGENDIAN */
case
CODEC_ID_PCM_U8
:
case
CODEC_ID_PCM_U8
:
memcpy
(
dst
,
samples
,
n
*
sample_size
);
memcpy
(
dst
,
samples
,
n
*
sample_size
);
dst
+=
n
*
sample_size
;
dst
+=
n
*
sample_size
;
break
;
break
;
case
CODEC_ID_PCM_ALAW
:
case
CODEC_ID_PCM_ALAW
:
for
(;
n
>
0
;
n
--
)
{
for
(;
n
>
0
;
n
--
)
{
v
=
*
samples
++
;
v
=
*
samples
++
;
*
dst
++
=
linear_to_alaw
[(
v
+
32768
)
>>
2
];
*
dst
++
=
linear_to_alaw
[(
v
+
32768
)
>>
2
];
}
}
break
;
break
;
case
CODEC_ID_PCM_MULAW
:
case
CODEC_ID_PCM_MULAW
:
for
(;
n
>
0
;
n
--
)
{
for
(;
n
>
0
;
n
--
)
{
v
=
*
samples
++
;
v
=
*
samples
++
;
*
dst
++
=
linear_to_ulaw
[(
v
+
32768
)
>>
2
];
*
dst
++
=
linear_to_ulaw
[(
v
+
32768
)
>>
2
];
}
}
break
;
break
;
...
@@ -200,10 +200,10 @@ static int pcm_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
...
@@ -200,10 +200,10 @@ static int pcm_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
typedef
struct
PCMDecode
{
typedef
struct
PCMDecode
{
AVFrame
frame
;
AVFrame
frame
;
short
table
[
256
];
short
table
[
256
];
}
PCMDecode
;
}
PCMDecode
;
static
av_cold
int
pcm_decode_init
(
AVCodecContext
*
avctx
)
static
av_cold
int
pcm_decode_init
(
AVCodecContext
*
avctx
)
{
{
PCMDecode
*
s
=
avctx
->
priv_data
;
PCMDecode
*
s
=
avctx
->
priv_data
;
int
i
;
int
i
;
...
@@ -213,13 +213,13 @@ static av_cold int pcm_decode_init(AVCodecContext * avctx)
...
@@ -213,13 +213,13 @@ static av_cold int pcm_decode_init(AVCodecContext * avctx)
return
AVERROR
(
EINVAL
);
return
AVERROR
(
EINVAL
);
}
}
switch
(
avctx
->
codec
->
id
)
{
switch
(
avctx
->
codec
->
id
)
{
case
CODEC_ID_PCM_ALAW
:
case
CODEC_ID_PCM_ALAW
:
for
(
i
=
0
;
i
<
256
;
i
++
)
for
(
i
=
0
;
i
<
256
;
i
++
)
s
->
table
[
i
]
=
alaw2linear
(
i
);
s
->
table
[
i
]
=
alaw2linear
(
i
);
break
;
break
;
case
CODEC_ID_PCM_MULAW
:
case
CODEC_ID_PCM_MULAW
:
for
(
i
=
0
;
i
<
256
;
i
++
)
for
(
i
=
0
;
i
<
256
;
i
++
)
s
->
table
[
i
]
=
ulaw2linear
(
i
);
s
->
table
[
i
]
=
ulaw2linear
(
i
);
break
;
break
;
default:
default:
...
@@ -239,32 +239,32 @@ static av_cold int pcm_decode_init(AVCodecContext * avctx)
...
@@ -239,32 +239,32 @@ static av_cold int pcm_decode_init(AVCodecContext * avctx)
/**
/**
* Read PCM samples macro
* Read PCM samples macro
* @param size Data size of native machine format
* @param size
Data size of native machine format
* @param endian bytestream_get_xxx() endian suffix
* @param endian bytestream_get_xxx() endian suffix
* @param src Source pointer (variable name)
* @param src
Source pointer (variable name)
* @param dst Destination pointer (variable name)
* @param dst
Destination pointer (variable name)
* @param n Total number of samples (variable name)
* @param n
Total number of samples (variable name)
* @param shift Bitshift (bits)
* @param shift
Bitshift (bits)
* @param offset Sample value offset
* @param offset Sample value offset
*/
*/
#define DECODE(size, endian, src, dst, n, shift, offset) \
#define DECODE(size, endian, src, dst, n, shift, offset)
\
for
(;n>0;n--) {
\
for
(; n > 0; n--) {
\
uint
##size##_t v = bytestream_get_##endian(&src);
\
uint
## size ## _t v = bytestream_get_ ## endian(&src);
\
AV_WN
##size##A(dst, (v - offset) << shift);
\
AV_WN
## size ## A(dst, (v - offset) << shift);
\
dst += size / 8; \
dst += size / 8;
\
}
}
static
int
pcm_decode_frame
(
AVCodecContext
*
avctx
,
void
*
data
,
static
int
pcm_decode_frame
(
AVCodecContext
*
avctx
,
void
*
data
,
int
*
got_frame_ptr
,
AVPacket
*
avpkt
)
int
*
got_frame_ptr
,
AVPacket
*
avpkt
)
{
{
const
uint8_t
*
src
=
avpkt
->
data
;
const
uint8_t
*
src
=
avpkt
->
data
;
int
buf_size
=
avpkt
->
size
;
int
buf_size
=
avpkt
->
size
;
PCMDecode
*
s
=
avctx
->
priv_data
;
PCMDecode
*
s
=
avctx
->
priv_data
;
int
sample_size
,
c
,
n
,
ret
,
samples_per_block
;
int
sample_size
,
c
,
n
,
ret
,
samples_per_block
;
uint8_t
*
samples
;
uint8_t
*
samples
;
int32_t
*
dst_int32_t
;
int32_t
*
dst_int32_t
;
sample_size
=
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 */
/* av_get_bits_per_sample returns 0 for CODEC_ID_PCM_DVD */
samples_per_block
=
1
;
samples_per_block
=
1
;
...
@@ -276,11 +276,11 @@ static int pcm_decode_frame(AVCodecContext *avctx, void *data,
...
@@ -276,11 +276,11 @@ static int pcm_decode_frame(AVCodecContext *avctx, void *data,
}
}
/* 2 samples are interleaved per block in PCM_DVD */
/* 2 samples are interleaved per block in PCM_DVD */
samples_per_block
=
2
;
samples_per_block
=
2
;
sample_size
=
avctx
->
bits_per_coded_sample
*
2
/
8
;
sample_size
=
avctx
->
bits_per_coded_sample
*
2
/
8
;
}
else
if
(
avctx
->
codec_id
==
CODEC_ID_PCM_LXF
)
{
}
else
if
(
avctx
->
codec_id
==
CODEC_ID_PCM_LXF
)
{
/* we process 40-bit blocks per channel for LXF */
/* we process 40-bit blocks per channel for LXF */
samples_per_block
=
2
;
samples_per_block
=
2
;
sample_size
=
5
;
sample_size
=
5
;
}
}
if
(
sample_size
==
0
)
{
if
(
sample_size
==
0
)
{
...
@@ -290,15 +290,15 @@ static int pcm_decode_frame(AVCodecContext *avctx, void *data,
...
@@ -290,15 +290,15 @@ static int pcm_decode_frame(AVCodecContext *avctx, void *data,
n
=
avctx
->
channels
*
sample_size
;
n
=
avctx
->
channels
*
sample_size
;
if
(
n
&&
buf_size
%
n
)
{
if
(
n
&&
buf_size
%
n
)
{
if
(
buf_size
<
n
)
{
if
(
buf_size
<
n
)
{
av_log
(
avctx
,
AV_LOG_ERROR
,
"invalid PCM packet
\n
"
);
av_log
(
avctx
,
AV_LOG_ERROR
,
"invalid PCM packet
\n
"
);
return
-
1
;
return
-
1
;
}
else
}
else
buf_size
-=
buf_size
%
n
;
buf_size
-=
buf_size
%
n
;
}
}
n
=
buf_size
/
sample_size
;
n
=
buf_size
/
sample_size
;
/* get output buffer */
/* get output buffer */
s
->
frame
.
nb_samples
=
n
*
samples_per_block
/
avctx
->
channels
;
s
->
frame
.
nb_samples
=
n
*
samples_per_block
/
avctx
->
channels
;
...
@@ -308,7 +308,7 @@ static int pcm_decode_frame(AVCodecContext *avctx, void *data,
...
@@ -308,7 +308,7 @@ static int pcm_decode_frame(AVCodecContext *avctx, void *data,
}
}
samples
=
s
->
frame
.
data
[
0
];
samples
=
s
->
frame
.
data
[
0
];
switch
(
avctx
->
codec
->
id
)
{
switch
(
avctx
->
codec
->
id
)
{
case
CODEC_ID_PCM_U32LE
:
case
CODEC_ID_PCM_U32LE
:
DECODE
(
32
,
le32
,
src
,
samples
,
n
,
0
,
0x80000000
)
DECODE
(
32
,
le32
,
src
,
samples
,
n
,
0
,
0x80000000
)
break
;
break
;
...
@@ -328,22 +328,22 @@ static int pcm_decode_frame(AVCodecContext *avctx, void *data,
...
@@ -328,22 +328,22 @@ static int pcm_decode_frame(AVCodecContext *avctx, void *data,
DECODE
(
32
,
be24
,
src
,
samples
,
n
,
8
,
0x800000
)
DECODE
(
32
,
be24
,
src
,
samples
,
n
,
8
,
0x800000
)
break
;
break
;
case
CODEC_ID_PCM_S24DAUD
:
case
CODEC_ID_PCM_S24DAUD
:
for
(;
n
>
0
;
n
--
)
{
for
(;
n
>
0
;
n
--
)
{
uint32_t
v
=
bytestream_get_be24
(
&
src
);
uint32_t
v
=
bytestream_get_be24
(
&
src
);
v
>>=
4
;
// sync flags are here
v
>>=
4
;
// sync flags are here
AV_WN16A
(
samples
,
av_reverse
[(
v
>>
8
)
&
0xff
]
+
AV_WN16A
(
samples
,
av_reverse
[(
v
>>
8
)
&
0xff
]
+
(
av_reverse
[
v
&
0xff
]
<<
8
));
(
av_reverse
[
v
&
0xff
]
<<
8
));
samples
+=
2
;
samples
+=
2
;
}
}
break
;
break
;
case
CODEC_ID_PCM_S16LE_PLANAR
:
case
CODEC_ID_PCM_S16LE_PLANAR
:
{
{
const
uint8_t
*
src2
[
MAX_CHANNELS
];
const
uint8_t
*
src2
[
MAX_CHANNELS
];
n
/=
avctx
->
channels
;
n
/=
avctx
->
channels
;
for
(
c
=
0
;
c
<
avctx
->
channels
;
c
++
)
for
(
c
=
0
;
c
<
avctx
->
channels
;
c
++
)
src2
[
c
]
=
&
src
[
c
*
n
*
2
];
src2
[
c
]
=
&
src
[
c
*
n
*
2
];
for
(;
n
>
0
;
n
--
)
for
(;
n
>
0
;
n
--
)
for
(
c
=
0
;
c
<
avctx
->
channels
;
c
++
)
{
for
(
c
=
0
;
c
<
avctx
->
channels
;
c
++
)
{
AV_WN16A
(
samples
,
bytestream_get_le16
(
&
src2
[
c
]));
AV_WN16A
(
samples
,
bytestream_get_le16
(
&
src2
[
c
]));
samples
+=
2
;
samples
+=
2
;
}
}
...
@@ -356,9 +356,8 @@ static int pcm_decode_frame(AVCodecContext *avctx, void *data,
...
@@ -356,9 +356,8 @@ static int pcm_decode_frame(AVCodecContext *avctx, void *data,
DECODE
(
16
,
be16
,
src
,
samples
,
n
,
0
,
0x8000
)
DECODE
(
16
,
be16
,
src
,
samples
,
n
,
0
,
0x8000
)
break
;
break
;
case
CODEC_ID_PCM_S8
:
case
CODEC_ID_PCM_S8
:
for
(;
n
>
0
;
n
--
)
{
for
(;
n
>
0
;
n
--
)
*
samples
++
=
*
src
++
+
128
;
*
samples
++
=
*
src
++
+
128
;
}
break
;
break
;
#if HAVE_BIGENDIAN
#if HAVE_BIGENDIAN
case
CODEC_ID_PCM_F64LE
:
case
CODEC_ID_PCM_F64LE
:
...
@@ -392,7 +391,7 @@ static int pcm_decode_frame(AVCodecContext *avctx, void *data,
...
@@ -392,7 +391,7 @@ static int pcm_decode_frame(AVCodecContext *avctx, void *data,
case
CODEC_ID_PCM_S16LE
:
case
CODEC_ID_PCM_S16LE
:
#endif
/* HAVE_BIGENDIAN */
#endif
/* HAVE_BIGENDIAN */
case
CODEC_ID_PCM_U8
:
case
CODEC_ID_PCM_U8
:
memcpy
(
samples
,
src
,
n
*
sample_size
);
memcpy
(
samples
,
src
,
n
*
sample_size
);
break
;
break
;
case
CODEC_ID_PCM_ZORK
:
case
CODEC_ID_PCM_ZORK
:
for
(;
n
>
0
;
n
--
)
{
for
(;
n
>
0
;
n
--
)
{
...
@@ -404,7 +403,7 @@ static int pcm_decode_frame(AVCodecContext *avctx, void *data,
...
@@ -404,7 +403,7 @@ static int pcm_decode_frame(AVCodecContext *avctx, void *data,
break
;
break
;
case
CODEC_ID_PCM_ALAW
:
case
CODEC_ID_PCM_ALAW
:
case
CODEC_ID_PCM_MULAW
:
case
CODEC_ID_PCM_MULAW
:
for
(;
n
>
0
;
n
--
)
{
for
(;
n
>
0
;
n
--
)
{
AV_WN16A
(
samples
,
s
->
table
[
*
src
++
]);
AV_WN16A
(
samples
,
s
->
table
[
*
src
++
]);
samples
+=
2
;
samples
+=
2
;
}
}
...
@@ -417,19 +416,19 @@ static int pcm_decode_frame(AVCodecContext *avctx, void *data,
...
@@ -417,19 +416,19 @@ static int pcm_decode_frame(AVCodecContext *avctx, void *data,
switch
(
avctx
->
bits_per_coded_sample
)
{
switch
(
avctx
->
bits_per_coded_sample
)
{
case
20
:
case
20
:
while
(
n
--
)
{
while
(
n
--
)
{
c
=
avctx
->
channels
;
c
=
avctx
->
channels
;
src8
=
src
+
4
*
c
;
src8
=
src
+
4
*
c
;
while
(
c
--
)
{
while
(
c
--
)
{
*
dst_int32_t
++
=
(
bytestream_get_be16
(
&
src
)
<<
16
)
+
((
*
src8
&
0xf0
)
<<
8
);
*
dst_int32_t
++
=
(
bytestream_get_be16
(
&
src
)
<<
16
)
+
((
*
src8
&
0xf0
)
<<
8
);
*
dst_int32_t
++
=
(
bytestream_get_be16
(
&
src
)
<<
16
)
+
((
*
src8
++
&
0x0f
)
<<
12
);
*
dst_int32_t
++
=
(
bytestream_get_be16
(
&
src
)
<<
16
)
+
((
*
src8
++
&
0x0f
)
<<
12
);
}
}
src
=
src8
;
src
=
src8
;
}
}
break
;
break
;
case
24
:
case
24
:
while
(
n
--
)
{
while
(
n
--
)
{
c
=
avctx
->
channels
;
c
=
avctx
->
channels
;
src8
=
src
+
4
*
c
;
src8
=
src
+
4
*
c
;
while
(
c
--
)
{
while
(
c
--
)
{
*
dst_int32_t
++
=
(
bytestream_get_be16
(
&
src
)
<<
16
)
+
((
*
src8
++
)
<<
8
);
*
dst_int32_t
++
=
(
bytestream_get_be16
(
&
src
)
<<
16
)
+
((
*
src8
++
)
<<
8
);
*
dst_int32_t
++
=
(
bytestream_get_be16
(
&
src
)
<<
16
)
+
((
*
src8
++
)
<<
8
);
*
dst_int32_t
++
=
(
bytestream_get_be16
(
&
src
)
<<
16
)
+
((
*
src8
++
)
<<
8
);
...
@@ -446,18 +445,23 @@ static int pcm_decode_frame(AVCodecContext *avctx, void *data,
...
@@ -446,18 +445,23 @@ static int pcm_decode_frame(AVCodecContext *avctx, void *data,
const
uint8_t
*
src8
;
const
uint8_t
*
src8
;
dst_int32_t
=
(
int32_t
*
)
s
->
frame
.
data
[
0
];
dst_int32_t
=
(
int32_t
*
)
s
->
frame
.
data
[
0
];
n
/=
avctx
->
channels
;
n
/=
avctx
->
channels
;
//
unpack and de-plane
rize
//
unpack and de-plana
rize
for
(
i
=
0
;
i
<
n
;
i
++
)
{
for
(
i
=
0
;
i
<
n
;
i
++
)
{
for
(
c
=
0
,
src8
=
src
+
i
*
5
;
c
<
avctx
->
channels
;
c
++
,
src8
+=
n
*
5
)
{
for
(
c
=
0
,
src8
=
src
+
i
*
5
;
c
<
avctx
->
channels
;
c
++
,
src8
+=
n
*
5
)
{
//extract low 20 bits and expand to 32 bits
// extract low 20 bits and expand to 32 bits
*
dst_int32_t
++
=
(
src8
[
2
]
<<
28
)
|
(
src8
[
1
]
<<
20
)
|
(
src8
[
0
]
<<
12
)
|
*
dst_int32_t
++
=
(
src8
[
2
]
<<
28
)
|
((
src8
[
2
]
&
0xF
)
<<
8
)
|
src8
[
1
];
(
src8
[
1
]
<<
20
)
|
(
src8
[
0
]
<<
12
)
|
((
src8
[
2
]
&
0xF
)
<<
8
)
|
src8
[
1
];
}
}
for
(
c
=
0
,
src8
=
src
+
i
*
5
;
c
<
avctx
->
channels
;
c
++
,
src8
+=
n
*
5
)
{
for
(
c
=
0
,
src8
=
src
+
i
*
5
;
c
<
avctx
->
channels
;
c
++
,
src8
+=
n
*
5
)
{
// extract high 20 bits and expand to 32 bits
//extract high 20 bits and expand to 32 bits
*
dst_int32_t
++
=
(
src8
[
4
]
<<
24
)
|
*
dst_int32_t
++
=
(
src8
[
4
]
<<
24
)
|
(
src8
[
3
]
<<
16
)
|
(
src8
[
3
]
<<
16
)
|
((
src8
[
2
]
&
0xF0
)
<<
8
)
|
(
src8
[
4
]
<<
4
)
|
(
src8
[
3
]
>>
4
);
((
src8
[
2
]
&
0xF0
)
<<
8
)
|
(
src8
[
4
]
<<
4
)
|
(
src8
[
3
]
>>
4
);
}
}
}
}
break
;
break
;
...
@@ -473,65 +477,68 @@ static int pcm_decode_frame(AVCodecContext *avctx, void *data,
...
@@ -473,65 +477,68 @@ static int pcm_decode_frame(AVCodecContext *avctx, void *data,
}
}
#if CONFIG_ENCODERS
#if CONFIG_ENCODERS
#define PCM_ENCODER(id_,sample_fmt_,name_,long_name_) \
#define PCM_ENCODER(id_, sample_fmt_, name_, long_name_) \
AVCodec ff_ ## name_ ## _encoder = { \
AVCodec ff_ ## name_ ## _encoder = { \
.name = #name_, \
.name = #name_, \
.type = AVMEDIA_TYPE_AUDIO, \
.type = AVMEDIA_TYPE_AUDIO, \
.id = id_, \
.id = id_, \
.init = pcm_encode_init, \
.init = pcm_encode_init, \
.encode2 = pcm_encode_frame, \
.encode2 = pcm_encode_frame, \
.close = pcm_encode_close, \
.close = pcm_encode_close, \
.capabilities = CODEC_CAP_VARIABLE_FRAME_SIZE, \
.capabilities = CODEC_CAP_VARIABLE_FRAME_SIZE, \
.sample_fmts = (const enum AVSampleFormat[]){sample_fmt_,AV_SAMPLE_FMT_NONE}, \
.sample_fmts = (const enum AVSampleFormat[]){ sample_fmt_, \
.long_name = NULL_IF_CONFIG_SMALL(long_name_), \
AV_SAMPLE_FMT_NONE }, \
.long_name = NULL_IF_CONFIG_SMALL(long_name_), \
}
}
#else
#else
#define PCM_ENCODER(id,
sample_fmt_,name,
long_name_)
#define PCM_ENCODER(id,
sample_fmt_, name,
long_name_)
#endif
#endif
#if CONFIG_DECODERS
#if CONFIG_DECODERS
#define PCM_DECODER(id_,sample_fmt_,name_,long_name_) \
#define PCM_DECODER(id_, sample_fmt_, name_, long_name_) \
AVCodec ff_ ## name_ ## _decoder = { \
AVCodec ff_ ## name_ ## _decoder = { \
.name = #name_, \
.name = #name_, \
.type = AVMEDIA_TYPE_AUDIO, \
.type = AVMEDIA_TYPE_AUDIO, \
.id = id_, \
.id = id_, \
.priv_data_size = sizeof(PCMDecode), \
.priv_data_size = sizeof(PCMDecode), \
.init = pcm_decode_init, \
.init = pcm_decode_init, \
.decode = pcm_decode_frame, \
.decode = pcm_decode_frame, \
.capabilities = CODEC_CAP_DR1, \
.capabilities = CODEC_CAP_DR1, \
.sample_fmts = (const enum AVSampleFormat[]){sample_fmt_,AV_SAMPLE_FMT_NONE}, \
.sample_fmts = (const enum AVSampleFormat[]){ sample_fmt_, \
.long_name = NULL_IF_CONFIG_SMALL(long_name_), \
AV_SAMPLE_FMT_NONE }, \
.long_name = NULL_IF_CONFIG_SMALL(long_name_), \
}
}
#else
#else
#define PCM_DECODER(id,
sample_fmt_,name,
long_name_)
#define PCM_DECODER(id,
sample_fmt_, name,
long_name_)
#endif
#endif
#define PCM_CODEC(id, sample_fmt_, name, long_name_) \
#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_)
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. */
/* Note: Do not forget to add new entries to the Makefile as well. */
PCM_CODEC
(
CODEC_ID_PCM_ALAW
,
AV_SAMPLE_FMT_S16
,
pcm_alaw
,
"PCM A-law"
);
PCM_CODEC
(
CODEC_ID_PCM_ALAW
,
AV_SAMPLE_FMT_S16
,
pcm_alaw
,
"PCM A-law"
);
PCM_DECODER
(
CODEC_ID_PCM_DVD
,
AV_SAMPLE_FMT_S32
,
pcm_dvd
,
"PCM signed 20|24-bit big-endian"
);
PCM_DECODER
(
CODEC_ID_PCM_DVD
,
AV_SAMPLE_FMT_S32
,
pcm_dvd
,
"PCM signed 20|24-bit big-endian"
);
PCM_CODEC
(
CODEC_ID_PCM_F32BE
,
AV_SAMPLE_FMT_FLT
,
pcm_f32be
,
"PCM 32-bit floating point big-endian"
);
PCM_CODEC
(
CODEC_ID_PCM_F32BE
,
AV_SAMPLE_FMT_FLT
,
pcm_f32be
,
"PCM 32-bit floating point big-endian"
);
PCM_CODEC
(
CODEC_ID_PCM_F32LE
,
AV_SAMPLE_FMT_FLT
,
pcm_f32le
,
"PCM 32-bit floating point little-endian"
);
PCM_CODEC
(
CODEC_ID_PCM_F32LE
,
AV_SAMPLE_FMT_FLT
,
pcm_f32le
,
"PCM 32-bit floating point little-endian"
);
PCM_CODEC
(
CODEC_ID_PCM_F64BE
,
AV_SAMPLE_FMT_DBL
,
pcm_f64be
,
"PCM 64-bit floating point big-endian"
);
PCM_CODEC
(
CODEC_ID_PCM_F64BE
,
AV_SAMPLE_FMT_DBL
,
pcm_f64be
,
"PCM 64-bit floating point big-endian"
);
PCM_CODEC
(
CODEC_ID_PCM_F64LE
,
AV_SAMPLE_FMT_DBL
,
pcm_f64le
,
"PCM 64-bit floating point little-endian"
);
PCM_CODEC
(
CODEC_ID_PCM_F64LE
,
AV_SAMPLE_FMT_DBL
,
pcm_f64le
,
"PCM 64-bit floating point little-endian"
);
PCM_DECODER
(
CODEC_ID_PCM_LXF
,
AV_SAMPLE_FMT_S32
,
pcm_lxf
,
"PCM signed 20-bit little-endian planar"
);
PCM_DECODER
(
CODEC_ID_PCM_LXF
,
AV_SAMPLE_FMT_S32
,
pcm_lxf
,
"PCM signed 20-bit little-endian planar"
);
PCM_CODEC
(
CODEC_ID_PCM_MULAW
,
AV_SAMPLE_FMT_S16
,
pcm_mulaw
,
"PCM mu-law"
);
PCM_CODEC
(
CODEC_ID_PCM_MULAW
,
AV_SAMPLE_FMT_S16
,
pcm_mulaw
,
"PCM mu-law"
);
PCM_CODEC
(
CODEC_ID_PCM_S8
,
AV_SAMPLE_FMT_U8
,
pcm_s8
,
"PCM signed 8-bit"
);
PCM_CODEC
(
CODEC_ID_PCM_S8
,
AV_SAMPLE_FMT_U8
,
pcm_s8
,
"PCM signed 8-bit"
);
PCM_CODEC
(
CODEC_ID_PCM_S16BE
,
AV_SAMPLE_FMT_S16
,
pcm_s16be
,
"PCM signed 16-bit big-endian"
);
PCM_CODEC
(
CODEC_ID_PCM_S16BE
,
AV_SAMPLE_FMT_S16
,
pcm_s16be
,
"PCM signed 16-bit big-endian"
);
PCM_CODEC
(
CODEC_ID_PCM_S16LE
,
AV_SAMPLE_FMT_S16
,
pcm_s16le
,
"PCM signed 16-bit little-endian"
);
PCM_CODEC
(
CODEC_ID_PCM_S16LE
,
AV_SAMPLE_FMT_S16
,
pcm_s16le
,
"PCM signed 16-bit little-endian"
);
PCM_DECODER
(
CODEC_ID_PCM_S16LE_PLANAR
,
AV_SAMPLE_FMT_S16
,
pcm_s16le_planar
,
"PCM 16-bit little-endian planar"
);
PCM_DECODER
(
CODEC_ID_PCM_S16LE_PLANAR
,
AV_SAMPLE_FMT_S16
,
pcm_s16le_planar
,
"PCM 16-bit little-endian planar"
);
PCM_CODEC
(
CODEC_ID_PCM_S24BE
,
AV_SAMPLE_FMT_S32
,
pcm_s24be
,
"PCM signed 24-bit big-endian"
);
PCM_CODEC
(
CODEC_ID_PCM_S24BE
,
AV_SAMPLE_FMT_S32
,
pcm_s24be
,
"PCM signed 24-bit big-endian"
);
PCM_CODEC
(
CODEC_ID_PCM_S24DAUD
,
AV_SAMPLE_FMT_S16
,
pcm_s24daud
,
"PCM D-Cinema audio signed 24-bit"
);
PCM_CODEC
(
CODEC_ID_PCM_S24DAUD
,
AV_SAMPLE_FMT_S16
,
pcm_s24daud
,
"PCM D-Cinema audio signed 24-bit"
);
PCM_CODEC
(
CODEC_ID_PCM_S24LE
,
AV_SAMPLE_FMT_S32
,
pcm_s24le
,
"PCM signed 24-bit little-endian"
);
PCM_CODEC
(
CODEC_ID_PCM_S24LE
,
AV_SAMPLE_FMT_S32
,
pcm_s24le
,
"PCM signed 24-bit little-endian"
);
PCM_CODEC
(
CODEC_ID_PCM_S32BE
,
AV_SAMPLE_FMT_S32
,
pcm_s32be
,
"PCM signed 32-bit big-endian"
);
PCM_CODEC
(
CODEC_ID_PCM_S32BE
,
AV_SAMPLE_FMT_S32
,
pcm_s32be
,
"PCM signed 32-bit big-endian"
);
PCM_CODEC
(
CODEC_ID_PCM_S32LE
,
AV_SAMPLE_FMT_S32
,
pcm_s32le
,
"PCM signed 32-bit little-endian"
);
PCM_CODEC
(
CODEC_ID_PCM_S32LE
,
AV_SAMPLE_FMT_S32
,
pcm_s32le
,
"PCM signed 32-bit little-endian"
);
PCM_CODEC
(
CODEC_ID_PCM_U8
,
AV_SAMPLE_FMT_U8
,
pcm_u8
,
"PCM unsigned 8-bit"
);
PCM_CODEC
(
CODEC_ID_PCM_U8
,
AV_SAMPLE_FMT_U8
,
pcm_u8
,
"PCM unsigned 8-bit"
);
PCM_CODEC
(
CODEC_ID_PCM_U16BE
,
AV_SAMPLE_FMT_S16
,
pcm_u16be
,
"PCM unsigned 16-bit big-endian"
);
PCM_CODEC
(
CODEC_ID_PCM_U16BE
,
AV_SAMPLE_FMT_S16
,
pcm_u16be
,
"PCM unsigned 16-bit big-endian"
);
PCM_CODEC
(
CODEC_ID_PCM_U16LE
,
AV_SAMPLE_FMT_S16
,
pcm_u16le
,
"PCM unsigned 16-bit little-endian"
);
PCM_CODEC
(
CODEC_ID_PCM_U16LE
,
AV_SAMPLE_FMT_S16
,
pcm_u16le
,
"PCM unsigned 16-bit little-endian"
);
PCM_CODEC
(
CODEC_ID_PCM_U24BE
,
AV_SAMPLE_FMT_S32
,
pcm_u24be
,
"PCM unsigned 24-bit big-endian"
);
PCM_CODEC
(
CODEC_ID_PCM_U24BE
,
AV_SAMPLE_FMT_S32
,
pcm_u24be
,
"PCM unsigned 24-bit big-endian"
);
PCM_CODEC
(
CODEC_ID_PCM_U24LE
,
AV_SAMPLE_FMT_S32
,
pcm_u24le
,
"PCM unsigned 24-bit little-endian"
);
PCM_CODEC
(
CODEC_ID_PCM_U24LE
,
AV_SAMPLE_FMT_S32
,
pcm_u24le
,
"PCM unsigned 24-bit little-endian"
);
PCM_CODEC
(
CODEC_ID_PCM_U32BE
,
AV_SAMPLE_FMT_S32
,
pcm_u32be
,
"PCM unsigned 32-bit big-endian"
);
PCM_CODEC
(
CODEC_ID_PCM_U32BE
,
AV_SAMPLE_FMT_S32
,
pcm_u32be
,
"PCM unsigned 32-bit big-endian"
);
PCM_CODEC
(
CODEC_ID_PCM_U32LE
,
AV_SAMPLE_FMT_S32
,
pcm_u32le
,
"PCM unsigned 32-bit little-endian"
);
PCM_CODEC
(
CODEC_ID_PCM_U32LE
,
AV_SAMPLE_FMT_S32
,
pcm_u32le
,
"PCM unsigned 32-bit little-endian"
);
PCM_DECODER
(
CODEC_ID_PCM_ZORK
,
AV_SAMPLE_FMT_U8
,
pcm_zork
,
"PCM Zork"
);
PCM_DECODER
(
CODEC_ID_PCM_ZORK
,
AV_SAMPLE_FMT_U8
,
pcm_zork
,
"PCM Zork"
);
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