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avcodec/mlp*: merge flags used by encoder and decoder

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This commit is contained in:
Paul B Mahol 2023-10-18 22:56:52 +02:00
parent be2bbfe71d
commit e7a6bba51a
3 changed files with 13 additions and 22 deletions
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9
libavcodec/mlp.h
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@ -70,6 +70,15 @@
/** Code that signals end of a stream. */
#define END_OF_STREAM 0xd234d234
#define PARAM_BLOCKSIZE (1 << 7)
#define PARAM_MATRIX (1 << 6)
#define PARAM_OUTSHIFT (1 << 5)
#define PARAM_QUANTSTEP (1 << 4)
#define PARAM_FIR (1 << 3)
#define PARAM_IIR (1 << 2)
#define PARAM_HUFFOFFSET (1 << 1)
#define PARAM_PRESENCE (1 << 0)
#define FIR 0
#define IIR 1

8
libavcodec/mlpdec.c
View File

@ -93,14 +93,6 @@ typedef struct SubStream {
/// Bitmask of which parameter sets are conveyed in a decoding parameter block.
uint8_t param_presence_flags;
#define PARAM_BLOCKSIZE (1 << 7)
#define PARAM_MATRIX (1 << 6)
#define PARAM_OUTSHIFT (1 << 5)
#define PARAM_QUANTSTEP (1 << 4)
#define PARAM_FIR (1 << 3)
#define PARAM_IIR (1 << 2)
#define PARAM_HUFFOFFSET (1 << 1)
#define PARAM_PRESENCE (1 << 0)
//@}
//@{

18
libavcodec/mlpenc.c
View File

@ -77,18 +77,8 @@ typedef struct MatrixParams {
int8_t bypassed_lsbs[MAX_MATRICES][MAX_BLOCKSIZE];
} MatrixParams;
enum ParamFlags {
PARAMS_DEFAULT = 0xff,
PARAM_PRESENCE_FLAGS = 1 << 8,
PARAM_BLOCKSIZE = 1 << 7,
PARAM_MATRIX = 1 << 6,
PARAM_OUTSHIFT = 1 << 5,
PARAM_QUANTSTEP = 1 << 4,
PARAM_FIR = 1 << 3,
PARAM_IIR = 1 << 2,
PARAM_HUFFOFFSET = 1 << 1,
PARAM_PRESENT = 1 << 0,
};
#define PARAMS_DEFAULT (0xff)
#define PARAM_PRESENCE_FLAGS (1 << 8)
typedef struct DecodingParams {
uint16_t blocksize; ///< number of PCM samples in current audio block
@ -334,7 +324,7 @@ static int compare_decoding_params(MLPEncodeContext *ctx,
if (prev_cp->codebook != cp->codebook ||
prev_cp->huff_lsbs != cp->huff_lsbs )
retval |= PARAM_PRESENT;
retval |= PARAM_PRESENCE;
}
return retval;
@ -441,7 +431,7 @@ static void default_decoding_params(MLPEncodeContext *ctx, DecodingParams *dp)
param_presence_flags |= PARAM_FIR;
param_presence_flags |= PARAM_IIR;
param_presence_flags |= PARAM_HUFFOFFSET;
param_presence_flags |= PARAM_PRESENT;
param_presence_flags |= PARAM_PRESENCE;
dp->param_presence_flags = param_presence_flags;
}