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avcodec/ac3: Move gain value defines to ac3defs.h

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Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2025-05-24 18:41:17 +02:00
parent 20caa5cf2d
commit 11723b3526
2 changed files with 11 additions and 11 deletions
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11
libavcodec/ac3.h
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@ -81,17 +81,6 @@ typedef float SHORTFLOAT;
#define AC3_LEVEL(x) ROUND15((x) * FIXR15(M_SQRT1_2))
/* pre-defined gain values */
#define LEVEL_PLUS_3DB M_SQRT2
#define LEVEL_PLUS_1POINT5DB 1.1892071150027209
#define LEVEL_MINUS_1POINT5DB 0.8408964152537145
#define LEVEL_MINUS_3DB M_SQRT1_2
#define LEVEL_MINUS_4POINT5DB 0.5946035575013605
#define LEVEL_MINUS_6DB 0.5000000000000000
#define LEVEL_MINUS_9DB 0.3535533905932738
#define LEVEL_ZERO 0.0000000000000000
#define LEVEL_ONE 1.0000000000000000
typedef struct AC3BitAllocParameters {
int sr_code;
int sr_shift;

11
libavcodec/ac3defs.h
View File

@ -34,6 +34,17 @@
#define AC3_CRITICAL_BANDS 50
#define AC3_MAX_CPL_BANDS 18
/* pre-defined gain values */
#define LEVEL_PLUS_3DB M_SQRT2
#define LEVEL_PLUS_1POINT5DB 1.1892071150027209
#define LEVEL_MINUS_1POINT5DB 0.8408964152537145
#define LEVEL_MINUS_3DB M_SQRT1_2
#define LEVEL_MINUS_4POINT5DB 0.5946035575013605
#define LEVEL_MINUS_6DB 0.5000000000000000
#define LEVEL_MINUS_9DB 0.3535533905932738
#define LEVEL_ZERO 0.0000000000000000
#define LEVEL_ONE 1.0000000000000000
/* exponent encoding strategy */
#define EXP_REUSE 0
#define EXP_NEW 1