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Linshizhi
ffmpeg.wasm-core
Commits
f0904282
Commit
f0904282
authored
Feb 28, 2012
by
Justin Ruggles
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nellymoserenc: use AVCodec.encode2()
parent
32173df3
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2 changed files
with
35 additions
and
11 deletions
+35
-11
Makefile
libavcodec/Makefile
+2
-1
nellymoserenc.c
libavcodec/nellymoserenc.c
+33
-10
No files found.
libavcodec/Makefile
View file @
f0904282
...
...
@@ -287,7 +287,8 @@ OBJS-$(CONFIG_MSVIDEO1_DECODER) += msvideo1.o
OBJS-$(CONFIG_MSZH_DECODER)
+=
lcldec.o
OBJS-$(CONFIG_MXPEG_DECODER)
+=
mxpegdec.o
mjpegdec.o
mjpeg.o
OBJS-$(CONFIG_NELLYMOSER_DECODER)
+=
nellymoserdec.o
nellymoser.o
OBJS-$(CONFIG_NELLYMOSER_ENCODER)
+=
nellymoserenc.o
nellymoser.o
OBJS-$(CONFIG_NELLYMOSER_ENCODER)
+=
nellymoserenc.o
nellymoser.o
\
audio_frame_queue.o
OBJS-$(CONFIG_NUV_DECODER)
+=
nuv.o
rtjpeg.o
OBJS-$(CONFIG_PAM_DECODER)
+=
pnmdec.o
pnm.o
OBJS-$(CONFIG_PAM_ENCODER)
+=
pamenc.o
pnm.o
...
...
libavcodec/nellymoserenc.c
View file @
f0904282
...
...
@@ -38,8 +38,10 @@
#include "libavutil/mathematics.h"
#include "nellymoser.h"
#include "avcodec.h"
#include "audio_frame_queue.h"
#include "dsputil.h"
#include "fft.h"
#include "internal.h"
#include "sinewin.h"
#define BITSTREAM_WRITER_LE
...
...
@@ -54,6 +56,7 @@ typedef struct NellyMoserEncodeContext {
int
last_frame
;
DSPContext
dsp
;
FFTContext
mdct_ctx
;
AudioFrameQueue
afq
;
DECLARE_ALIGNED
(
32
,
float
,
mdct_out
)[
NELLY_SAMPLES
];
DECLARE_ALIGNED
(
32
,
float
,
in_buff
)[
NELLY_SAMPLES
];
DECLARE_ALIGNED
(
32
,
float
,
buf
)[
3
*
NELLY_BUF_LEN
];
///< sample buffer
...
...
@@ -136,7 +139,10 @@ static av_cold int encode_end(AVCodecContext *avctx)
av_free
(
s
->
opt
);
av_free
(
s
->
path
);
}
ff_af_queue_close
(
&
s
->
afq
);
#if FF_API_OLD_ENCODE_AUDIO
av_freep
(
&
avctx
->
coded_frame
);
#endif
return
0
;
}
...
...
@@ -161,6 +167,7 @@ static av_cold int encode_init(AVCodecContext *avctx)
avctx
->
frame_size
=
NELLY_SAMPLES
;
avctx
->
delay
=
NELLY_BUF_LEN
;
ff_af_queue_init
(
avctx
,
&
s
->
afq
);
s
->
avctx
=
avctx
;
if
((
ret
=
ff_mdct_init
(
&
s
->
mdct_ctx
,
8
,
0
,
32768
.
0
))
<
0
)
goto
error
;
...
...
@@ -180,11 +187,13 @@ static av_cold int encode_init(AVCodecContext *avctx)
}
}
#if FF_API_OLD_ENCODE_AUDIO
avctx
->
coded_frame
=
avcodec_alloc_frame
();
if
(
!
avctx
->
coded_frame
)
{
ret
=
AVERROR
(
ENOMEM
);
goto
error
;
}
#endif
return
0
;
error:
...
...
@@ -366,30 +375,44 @@ static void encode_block(NellyMoserEncodeContext *s, unsigned char *output, int
memset
(
put_bits_ptr
(
&
pb
),
0
,
output
+
output_size
-
put_bits_ptr
(
&
pb
));
}
static
int
encode_frame
(
AVCodecContext
*
avctx
,
uint8_t
*
frame
,
int
buf_size
,
void
*
data
)
static
int
encode_frame
(
AVCodecContext
*
avctx
,
AVPacket
*
avpkt
,
const
AVFrame
*
frame
,
int
*
got_packet_ptr
)
{
NellyMoserEncodeContext
*
s
=
avctx
->
priv_data
;
const
float
*
samples
=
data
;
int
ret
;
if
(
s
->
last_frame
)
return
0
;
memcpy
(
s
->
buf
,
s
->
buf
+
NELLY_SAMPLES
,
NELLY_BUF_LEN
*
sizeof
(
*
s
->
buf
));
if
(
data
)
{
memcpy
(
s
->
buf
+
NELLY_BUF_LEN
,
samples
,
avctx
->
frame_size
*
sizeof
(
*
s
->
buf
));
if
(
avctx
->
frame_size
<
NELLY_SAMPLES
)
{
if
(
frame
)
{
memcpy
(
s
->
buf
+
NELLY_BUF_LEN
,
frame
->
data
[
0
],
frame
->
nb_samples
*
sizeof
(
*
s
->
buf
));
if
(
frame
->
nb_samples
<
NELLY_SAMPLES
)
{
memset
(
s
->
buf
+
NELLY_BUF_LEN
+
avctx
->
frame_size
,
0
,
(
NELLY_SAMPLES
-
avctx
->
frame_size
)
*
sizeof
(
*
s
->
buf
));
if
(
avctx
->
frame_size
>=
NELLY_BUF_LEN
)
(
NELLY_SAMPLES
-
frame
->
nb_samples
)
*
sizeof
(
*
s
->
buf
));
if
(
frame
->
nb_samples
>=
NELLY_BUF_LEN
)
s
->
last_frame
=
1
;
}
if
((
ret
=
ff_af_queue_add
(
&
s
->
afq
,
frame
)
<
0
))
return
ret
;
}
else
{
memset
(
s
->
buf
+
NELLY_BUF_LEN
,
0
,
NELLY_SAMPLES
*
sizeof
(
*
s
->
buf
));
s
->
last_frame
=
1
;
}
encode_block
(
s
,
frame
,
buf_size
);
return
NELLY_BLOCK_LEN
;
if
((
ret
=
ff_alloc_packet
(
avpkt
,
NELLY_BLOCK_LEN
)))
{
av_log
(
avctx
,
AV_LOG_ERROR
,
"Error getting output packet
\n
"
);
return
ret
;
}
encode_block
(
s
,
avpkt
->
data
,
avpkt
->
size
);
/* Get the next frame pts/duration */
ff_af_queue_remove
(
&
s
->
afq
,
avctx
->
frame_size
,
&
avpkt
->
pts
,
&
avpkt
->
duration
);
*
got_packet_ptr
=
1
;
return
0
;
}
AVCodec
ff_nellymoser_encoder
=
{
...
...
@@ -398,7 +421,7 @@ AVCodec ff_nellymoser_encoder = {
.
id
=
CODEC_ID_NELLYMOSER
,
.
priv_data_size
=
sizeof
(
NellyMoserEncodeContext
),
.
init
=
encode_init
,
.
encode
=
encode_frame
,
.
encode
2
=
encode_frame
,
.
close
=
encode_end
,
.
capabilities
=
CODEC_CAP_SMALL_LAST_FRAME
|
CODEC_CAP_DELAY
,
.
long_name
=
NULL_IF_CONFIG_SMALL
(
"Nellymoser Asao"
),
...
...
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