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Linshizhi
ffmpeg.wasm-core
Commits
b03dcf07
Commit
b03dcf07
authored
Feb 28, 2012
by
Justin Ruggles
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libspeex: use AVCodec.encode2()
parent
57a52f25
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Showing
2 changed files
with
37 additions
and
20 deletions
+37
-20
Makefile
libavcodec/Makefile
+1
-1
libspeexenc.c
libavcodec/libspeexenc.c
+36
-19
No files found.
libavcodec/Makefile
View file @
b03dcf07
...
...
@@ -599,7 +599,7 @@ OBJS-$(CONFIG_LIBSCHROEDINGER_ENCODER) += libschroedingerenc.o \
libschroedinger.o
\
libdirac_libschro.o
OBJS-$(CONFIG_LIBSPEEX_DECODER)
+=
libspeexdec.o
OBJS-$(CONFIG_LIBSPEEX_ENCODER)
+=
libspeexenc.o
OBJS-$(CONFIG_LIBSPEEX_ENCODER)
+=
libspeexenc.o
audio_frame_queue.o
OBJS-$(CONFIG_LIBTHEORA_ENCODER)
+=
libtheoraenc.o
OBJS-$(CONFIG_LIBVO_AACENC_ENCODER)
+=
libvo-aacenc.o
mpeg4audio.o
OBJS-$(CONFIG_LIBVO_AMRWBENC_ENCODER)
+=
libvo-amrwbenc.o
...
...
libavcodec/libspeexenc.c
View file @
b03dcf07
...
...
@@ -70,6 +70,7 @@
#include "libavutil/opt.h"
#include "avcodec.h"
#include "internal.h"
#include "audio_frame_queue.h"
typedef
struct
{
AVClass
*
class
;
///< AVClass for private options
...
...
@@ -81,8 +82,7 @@ typedef struct {
int
cbr_quality
;
///< CBR quality 0 to 10
int
abr
;
///< flag to enable ABR
int
pkt_frame_count
;
///< frame count for the current packet
int64_t
next_pts
;
///< next pts, in sample_rate time base
int
pkt_sample_count
;
///< sample count in the current packet
AudioFrameQueue
afq
;
///< frame queue
}
LibSpeexEncContext
;
static
av_cold
void
print_enc_params
(
AVCodecContext
*
avctx
,
...
...
@@ -200,6 +200,7 @@ static av_cold int encode_init(AVCodecContext *avctx)
/* set encoding delay */
speex_encoder_ctl
(
s
->
enc_state
,
SPEEX_GET_LOOKAHEAD
,
&
avctx
->
delay
);
ff_af_queue_init
(
avctx
,
&
s
->
afq
);
/* create header packet bytes from header struct */
/* note: libspeex allocates the memory for header_data, which is freed
...
...
@@ -208,13 +209,22 @@ static av_cold int encode_init(AVCodecContext *avctx)
/* allocate extradata and coded_frame */
avctx
->
extradata
=
av_malloc
(
header_size
+
FF_INPUT_BUFFER_PADDING_SIZE
);
if
(
!
avctx
->
extradata
)
{
speex_header_free
(
header_data
);
speex_encoder_destroy
(
s
->
enc_state
);
av_log
(
avctx
,
AV_LOG_ERROR
,
"memory allocation error
\n
"
);
return
AVERROR
(
ENOMEM
);
}
#if FF_API_OLD_ENCODE_AUDIO
avctx
->
coded_frame
=
avcodec_alloc_frame
();
if
(
!
avctx
->
extradata
||
!
avctx
->
coded_frame
)
{
if
(
!
avctx
->
coded_frame
)
{
av_freep
(
&
avctx
->
extradata
);
speex_header_free
(
header_data
);
speex_encoder_destroy
(
s
->
enc_state
);
av_log
(
avctx
,
AV_LOG_ERROR
,
"memory allocation error
\n
"
);
return
AVERROR
(
ENOMEM
);
}
#endif
/* copy header packet to extradata */
memcpy
(
avctx
->
extradata
,
header_data
,
header_size
);
...
...
@@ -228,19 +238,21 @@ static av_cold int encode_init(AVCodecContext *avctx)
return
0
;
}
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
)
{
LibSpeexEncContext
*
s
=
avctx
->
priv_data
;
int16_t
*
samples
=
data
;
int16_t
*
samples
=
frame
?
(
int16_t
*
)
frame
->
data
[
0
]
:
NULL
;
int
ret
;
if
(
data
)
{
if
(
samples
)
{
/* encode Speex frame */
if
(
avctx
->
channels
==
2
)
speex_encode_stereo_int
(
samples
,
s
->
header
.
frame_size
,
&
s
->
bits
);
speex_encode_int
(
s
->
enc_state
,
samples
,
&
s
->
bits
);
s
->
pkt_frame_count
++
;
s
->
pkt_sample_count
+=
avctx
->
frame_size
;
if
((
ret
=
ff_af_queue_add
(
&
s
->
afq
,
frame
)
<
0
))
return
ret
;
}
else
{
/* handle end-of-stream */
if
(
!
s
->
pkt_frame_count
)
...
...
@@ -255,18 +267,20 @@ static int encode_frame(AVCodecContext *avctx, uint8_t *frame, int buf_size,
/* write output if all frames for the packet have been encoded */
if
(
s
->
pkt_frame_count
==
s
->
frames_per_packet
)
{
s
->
pkt_frame_count
=
0
;
avctx
->
coded_frame
->
pts
=
ff_samples_to_time_base
(
avctx
,
s
->
next_pts
-
avctx
->
delay
);
s
->
next_pts
+=
s
->
pkt_sample_count
;
s
->
pkt_sample_count
=
0
;
if
(
buf_size
>
speex_bits_nbytes
(
&
s
->
bits
))
{
int
ret
=
speex_bits_write
(
&
s
->
bits
,
frame
,
buf_size
);
speex_bits_reset
(
&
s
->
bits
);
if
((
ret
=
ff_alloc_packet
(
avpkt
,
speex_bits_nbytes
(
&
s
->
bits
))))
{
av_log
(
avctx
,
AV_LOG_ERROR
,
"Error getting output packet
\n
"
);
return
ret
;
}
else
{
av_log
(
avctx
,
AV_LOG_ERROR
,
"output buffer too small"
);
return
AVERROR
(
EINVAL
);
}
ret
=
speex_bits_write
(
&
s
->
bits
,
avpkt
->
data
,
avpkt
->
size
);
speex_bits_reset
(
&
s
->
bits
);
/* Get the next frame pts/duration */
ff_af_queue_remove
(
&
s
->
afq
,
s
->
frames_per_packet
*
avctx
->
frame_size
,
&
avpkt
->
pts
,
&
avpkt
->
duration
);
avpkt
->
size
=
ret
;
*
got_packet_ptr
=
1
;
return
0
;
}
return
0
;
}
...
...
@@ -278,7 +292,10 @@ static av_cold int encode_close(AVCodecContext *avctx)
speex_bits_destroy
(
&
s
->
bits
);
speex_encoder_destroy
(
s
->
enc_state
);
ff_af_queue_close
(
&
s
->
afq
);
#if FF_API_OLD_ENCODE_AUDIO
av_freep
(
&
avctx
->
coded_frame
);
#endif
av_freep
(
&
avctx
->
extradata
);
return
0
;
...
...
@@ -312,7 +329,7 @@ AVCodec ff_libspeex_encoder = {
.
id
=
CODEC_ID_SPEEX
,
.
priv_data_size
=
sizeof
(
LibSpeexEncContext
),
.
init
=
encode_init
,
.
encode
=
encode_frame
,
.
encode
2
=
encode_frame
,
.
close
=
encode_close
,
.
capabilities
=
CODEC_CAP_DELAY
,
.
sample_fmts
=
(
const
enum
AVSampleFormat
[]){
AV_SAMPLE_FMT_S16
,
AV_SAMPLE_FMT_NONE
},
...
...
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