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Linshizhi
ffmpeg.wasm-core
Commits
5371803d
Commit
5371803d
authored
Apr 05, 2011
by
Nathan Caldwell
Committed by
Janne Grunau
Apr 05, 2011
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psymodel: extend API to include PE and bit allocation.
Signed-off-by:
Janne Grunau
<
janne-libav@jannau.net
>
parent
668438a3
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psymodel.h
libavcodec/psymodel.h
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libavcodec/psymodel.h
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5371803d
...
@@ -26,6 +26,8 @@
...
@@ -26,6 +26,8 @@
/** maximum possible number of bands */
/** maximum possible number of bands */
#define PSY_MAX_BANDS 128
#define PSY_MAX_BANDS 128
/** maximum number of channels */
#define PSY_MAX_CHANS 20
/**
/**
* single band psychoacoustic information
* single band psychoacoustic information
...
@@ -62,6 +64,13 @@ typedef struct FFPsyContext {
...
@@ -62,6 +64,13 @@ typedef struct FFPsyContext {
int
*
num_bands
;
///< number of scalefactor bands for possible frame sizes
int
*
num_bands
;
///< number of scalefactor bands for possible frame sizes
int
num_lens
;
///< number of scalefactor band sets
int
num_lens
;
///< number of scalefactor band sets
float
pe
[
PSY_MAX_CHANS
];
///< total PE for each channel in the frame
struct
{
int
size
;
///< size of the bitresevoir in bits
int
bits
;
///< number of bits used in the bitresevoir
}
bitres
;
void
*
model_priv_data
;
///< psychoacoustic model implementation private data
void
*
model_priv_data
;
///< psychoacoustic model implementation private data
}
FFPsyContext
;
}
FFPsyContext
;
...
...
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