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Linshizhi
ffmpeg.wasm-core
Commits
2502e13b
Unverified
Commit
2502e13b
authored
May 25, 2020
by
Lynne
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opusenc: add apply_phase_inv option
By popular request. Does the same as in libopusenc.
parent
c0344cbf
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3 changed files
with
4 additions
and
2 deletions
+4
-2
opus_pvq.c
libavcodec/opus_pvq.c
+1
-1
opusenc.c
libavcodec/opusenc.c
+2
-1
opusenc.h
libavcodec/opusenc.h
+1
-0
No files found.
libavcodec/opus_pvq.c
View file @
2502e13b
...
...
@@ -627,7 +627,7 @@ static av_always_inline uint32_t quant_band_template(CeltPVQ *pvq, CeltFrame *f,
}
}
else
if
(
stereo
)
{
if
(
quant
)
{
inv
=
itheta
>
8192
;
inv
=
f
->
apply_phase_inv
?
itheta
>
8192
:
0
;
if
(
inv
)
{
for
(
i
=
0
;
i
<
N
;
i
++
)
Y
[
i
]
*=
-
1
;
...
...
libavcodec/opusenc.c
View file @
2502e13b
...
...
@@ -691,7 +691,7 @@ static av_cold int opus_encode_init(AVCodecContext *avctx)
s
->
frame
[
i
].
avctx
=
s
->
avctx
;
s
->
frame
[
i
].
seed
=
0
;
s
->
frame
[
i
].
pvq
=
s
->
pvq
;
s
->
frame
[
i
].
apply_phase_inv
=
1
;
s
->
frame
[
i
].
apply_phase_inv
=
s
->
options
.
apply_phase_inv
;
s
->
frame
[
i
].
block
[
0
].
emph_coeff
=
s
->
frame
[
i
].
block
[
1
].
emph_coeff
=
0
.
0
f
;
}
...
...
@@ -701,6 +701,7 @@ static av_cold int opus_encode_init(AVCodecContext *avctx)
#define OPUSENC_FLAGS AV_OPT_FLAG_ENCODING_PARAM | AV_OPT_FLAG_AUDIO_PARAM
static
const
AVOption
opusenc_options
[]
=
{
{
"opus_delay"
,
"Maximum delay in milliseconds"
,
offsetof
(
OpusEncContext
,
options
.
max_delay_ms
),
AV_OPT_TYPE_FLOAT
,
{
.
dbl
=
OPUS_MAX_LOOKAHEAD
},
2
.
5
f
,
OPUS_MAX_LOOKAHEAD
,
OPUSENC_FLAGS
,
"max_delay_ms"
},
{
"apply_phase_inv"
,
"Apply intensity stereo phase inversion"
,
offsetof
(
OpusEncContext
,
options
.
apply_phase_inv
),
AV_OPT_TYPE_BOOL
,
{
.
i64
=
1
},
0
,
1
,
OPUSENC_FLAGS
,
"apply_phase_inv"
},
{
NULL
},
};
...
...
libavcodec/opusenc.h
View file @
2502e13b
...
...
@@ -42,6 +42,7 @@
typedef
struct
OpusEncOptions
{
float
max_delay_ms
;
int
apply_phase_inv
;
}
OpusEncOptions
;
typedef
struct
OpusPacketInfo
{
...
...
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