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Linshizhi
ffmpeg.wasm-core
Commits
06d27428
Commit
06d27428
authored
Nov 14, 2014
by
Michael Niedermayer
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avcodec/nellymoser: Use avpriv_float_dsp_alloc()
Signed-off-by:
Michael Niedermayer
<
michaelni@gmx.at
>
parent
4eae568a
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Showing
2 changed files
with
17 additions
and
9 deletions
+17
-9
nellymoserdec.c
libavcodec/nellymoserdec.c
+6
-3
nellymoserenc.c
libavcodec/nellymoserenc.c
+11
-6
No files found.
libavcodec/nellymoserdec.c
View file @
06d27428
...
...
@@ -51,7 +51,7 @@ typedef struct NellyMoserDecodeContext {
AVLFG
random_state
;
GetBitContext
gb
;
float
scale_bias
;
AVFloatDSPContext
fdsp
;
AVFloatDSPContext
*
fdsp
;
FFTContext
imdct_ctx
;
DECLARE_ALIGNED
(
32
,
float
,
imdct_buf
)[
2
][
NELLY_BUF_LEN
];
float
*
imdct_out
;
...
...
@@ -106,7 +106,7 @@ static void nelly_decode_block(NellyMoserDecodeContext *s,
(
NELLY_BUF_LEN
-
NELLY_FILL_LEN
)
*
sizeof
(
float
));
s
->
imdct_ctx
.
imdct_half
(
&
s
->
imdct_ctx
,
s
->
imdct_out
,
aptr
);
s
->
fdsp
.
vector_fmul_window
(
aptr
,
s
->
imdct_prev
+
NELLY_BUF_LEN
/
2
,
s
->
fdsp
->
vector_fmul_window
(
aptr
,
s
->
imdct_prev
+
NELLY_BUF_LEN
/
2
,
s
->
imdct_out
,
ff_sine_128
,
NELLY_BUF_LEN
/
2
);
FFSWAP
(
float
*
,
s
->
imdct_out
,
s
->
imdct_prev
);
...
...
@@ -122,7 +122,9 @@ static av_cold int decode_init(AVCodecContext * avctx) {
av_lfg_init
(
&
s
->
random_state
,
0
);
ff_mdct_init
(
&
s
->
imdct_ctx
,
8
,
1
,
1
.
0
);
avpriv_float_dsp_init
(
&
s
->
fdsp
,
avctx
->
flags
&
CODEC_FLAG_BITEXACT
);
s
->
fdsp
=
avpriv_float_dsp_alloc
(
avctx
->
flags
&
CODEC_FLAG_BITEXACT
);
if
(
!
s
->
fdsp
)
return
AVERROR
(
ENOMEM
);
s
->
scale_bias
=
1
.
0
/
(
32768
*
8
);
avctx
->
sample_fmt
=
AV_SAMPLE_FMT_FLT
;
...
...
@@ -190,6 +192,7 @@ static av_cold int decode_end(AVCodecContext * avctx) {
NellyMoserDecodeContext
*
s
=
avctx
->
priv_data
;
ff_mdct_end
(
&
s
->
imdct_ctx
);
av_freep
(
&
s
->
fdsp
);
return
0
;
}
...
...
libavcodec/nellymoserenc.c
View file @
06d27428
...
...
@@ -56,7 +56,7 @@
typedef
struct
NellyMoserEncodeContext
{
AVCodecContext
*
avctx
;
int
last_frame
;
AVFloatDSPContext
fdsp
;
AVFloatDSPContext
*
fdsp
;
FFTContext
mdct_ctx
;
AudioFrameQueue
afq
;
DECLARE_ALIGNED
(
32
,
float
,
mdct_out
)[
NELLY_SAMPLES
];
...
...
@@ -122,12 +122,12 @@ static void apply_mdct(NellyMoserEncodeContext *s)
float
*
in1
=
s
->
buf
+
NELLY_BUF_LEN
;
float
*
in2
=
s
->
buf
+
2
*
NELLY_BUF_LEN
;
s
->
fdsp
.
vector_fmul
(
s
->
in_buff
,
in0
,
ff_sine_128
,
NELLY_BUF_LEN
);
s
->
fdsp
.
vector_fmul_reverse
(
s
->
in_buff
+
NELLY_BUF_LEN
,
in1
,
ff_sine_128
,
NELLY_BUF_LEN
);
s
->
fdsp
->
vector_fmul
(
s
->
in_buff
,
in0
,
ff_sine_128
,
NELLY_BUF_LEN
);
s
->
fdsp
->
vector_fmul_reverse
(
s
->
in_buff
+
NELLY_BUF_LEN
,
in1
,
ff_sine_128
,
NELLY_BUF_LEN
);
s
->
mdct_ctx
.
mdct_calc
(
&
s
->
mdct_ctx
,
s
->
mdct_out
,
s
->
in_buff
);
s
->
fdsp
.
vector_fmul
(
s
->
in_buff
,
in1
,
ff_sine_128
,
NELLY_BUF_LEN
);
s
->
fdsp
.
vector_fmul_reverse
(
s
->
in_buff
+
NELLY_BUF_LEN
,
in2
,
ff_sine_128
,
NELLY_BUF_LEN
);
s
->
fdsp
->
vector_fmul
(
s
->
in_buff
,
in1
,
ff_sine_128
,
NELLY_BUF_LEN
);
s
->
fdsp
->
vector_fmul_reverse
(
s
->
in_buff
+
NELLY_BUF_LEN
,
in2
,
ff_sine_128
,
NELLY_BUF_LEN
);
s
->
mdct_ctx
.
mdct_calc
(
&
s
->
mdct_ctx
,
s
->
mdct_out
+
NELLY_BUF_LEN
,
s
->
in_buff
);
}
...
...
@@ -142,6 +142,7 @@ static av_cold int encode_end(AVCodecContext *avctx)
av_freep
(
&
s
->
path
);
}
ff_af_queue_close
(
&
s
->
afq
);
av_freep
(
&
s
->
fdsp
);
return
0
;
}
...
...
@@ -170,7 +171,11 @@ static av_cold int encode_init(AVCodecContext *avctx)
s
->
avctx
=
avctx
;
if
((
ret
=
ff_mdct_init
(
&
s
->
mdct_ctx
,
8
,
0
,
32768
.
0
))
<
0
)
goto
error
;
avpriv_float_dsp_init
(
&
s
->
fdsp
,
avctx
->
flags
&
CODEC_FLAG_BITEXACT
);
s
->
fdsp
=
avpriv_float_dsp_alloc
(
avctx
->
flags
&
CODEC_FLAG_BITEXACT
);
if
(
!
s
->
fdsp
)
{
ret
=
AVERROR
(
ENOMEM
);
goto
error
;
}
/* Generate overlap window */
ff_init_ff_sine_windows
(
7
);
...
...
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