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Linshizhi
ffmpeg.wasm-core
Commits
882221af
Commit
882221af
authored
Apr 12, 2011
by
Martin Storsjö
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libopencore-amr: Cosmetics: Rewrap and align
Signed-off-by:
Martin Storsjö
<
martin@martin.st
>
parent
02c63a10
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Showing
1 changed file
with
10 additions
and
14 deletions
+10
-14
libopencore-amr.c
libavcodec/libopencore-amr.c
+10
-14
No files found.
libavcodec/libopencore-amr.c
View file @
882221af
...
...
@@ -53,14 +53,10 @@ typedef struct AMR_bitrates {
static
int
get_bitrate_mode
(
int
bitrate
)
{
/* make the correspondance between bitrate and mode */
static
const
AMR_bitrates
rates
[]
=
{{
4750
,
MR475
},
{
5150
,
MR515
},
{
5900
,
MR59
},
{
6700
,
MR67
},
{
7400
,
MR74
},
{
7950
,
MR795
},
{
10200
,
MR102
},
{
12200
,
MR122
},
};
static
const
AMR_bitrates
rates
[]
=
{
{
4750
,
MR475
},
{
5150
,
MR515
},
{
5900
,
MR59
},
{
6700
,
MR67
},
{
7400
,
MR74
},
{
7950
,
MR795
},
{
10200
,
MR102
},
{
12200
,
MR122
}
};
int
i
;
for
(
i
=
0
;
i
<
8
;
i
++
)
...
...
@@ -79,7 +75,7 @@ typedef struct AMRContext {
static
av_cold
int
amr_nb_decode_init
(
AVCodecContext
*
avctx
)
{
AMRContext
*
s
=
avctx
->
priv_data
;
AMRContext
*
s
=
avctx
->
priv_data
;
s
->
frame_count
=
0
;
s
->
dec_state
=
Decoder_Interface_init
();
...
...
@@ -111,7 +107,7 @@ static int amr_nb_decode_frame(AVCodecContext *avctx, void *data,
{
const
uint8_t
*
buf
=
avpkt
->
data
;
int
buf_size
=
avpkt
->
size
;
AMRContext
*
s
=
avctx
->
priv_data
;
AMRContext
*
s
=
avctx
->
priv_data
;
static
const
uint8_t
block_size
[
16
]
=
{
12
,
13
,
15
,
17
,
19
,
20
,
26
,
31
,
5
,
0
,
0
,
0
,
0
,
0
,
0
,
0
};
enum
Mode
dec_mode
;
int
packet_size
;
...
...
@@ -119,7 +115,7 @@ static int amr_nb_decode_frame(AVCodecContext *avctx, void *data,
av_dlog
(
avctx
,
"amr_decode_frame buf=%p buf_size=%d frame_count=%d!!
\n
"
,
buf
,
buf_size
,
s
->
frame_count
);
dec_mode
=
(
buf
[
0
]
>>
3
)
&
0x000F
;
dec_mode
=
(
buf
[
0
]
>>
3
)
&
0x000F
;
packet_size
=
block_size
[
dec_mode
]
+
1
;
if
(
packet_size
>
buf_size
)
{
...
...
@@ -241,7 +237,7 @@ static av_cold int amr_wb_decode_init(AVCodecContext *avctx)
{
AMRWBContext
*
s
=
avctx
->
priv_data
;
s
->
state
=
D_IF_init
();
s
->
state
=
D_IF_init
();
amr_decode_fix_avctx
(
avctx
);
...
...
@@ -258,7 +254,7 @@ static int amr_wb_decode_frame(AVCodecContext *avctx, void *data,
{
const
uint8_t
*
buf
=
avpkt
->
data
;
int
buf_size
=
avpkt
->
size
;
AMRWBContext
*
s
=
avctx
->
priv_data
;
AMRWBContext
*
s
=
avctx
->
priv_data
;
int
mode
;
int
packet_size
;
static
const
uint8_t
block_size
[
16
]
=
{
18
,
24
,
33
,
37
,
41
,
47
,
51
,
59
,
61
,
6
,
6
,
0
,
0
,
0
,
1
,
1
};
...
...
@@ -267,7 +263,7 @@ static int amr_wb_decode_frame(AVCodecContext *avctx, void *data,
/* nothing to do */
return
0
;
mode
=
(
buf
[
0
]
>>
3
)
&
0x000F
;
mode
=
(
buf
[
0
]
>>
3
)
&
0x000F
;
packet_size
=
block_size
[
mode
];
if
(
packet_size
>
buf_size
)
{
...
...
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