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| author | Anton Khirnov <anton@khirnov.net> | 2011-04-02 12:28:01 +0200 |
|---|---|---|
| committer | Anton Khirnov <anton@khirnov.net> | 2011-05-10 07:42:33 +0200 |
| commit | 188dea1dbfd8761133ca138bba0d8f19beac6c09 (patch) | |
| tree | 55f768f571b0ac9a6370586084dbb92b45f55916 /libavcodec/lpc.h | |
| parent | bc97695af84304e5e95658ca26e00c6e7074eca4 (diff) | |
| download | ffmpeg-188dea1dbfd8761133ca138bba0d8f19beac6c09.tar.gz | |
lavc: move some flac-specific options to its private context.
Diffstat (limited to 'libavcodec/lpc.h')
| -rw-r--r-- | libavcodec/lpc.h | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/libavcodec/lpc.h b/libavcodec/lpc.h index c2d342801a..8cc2362e5b 100644 --- a/libavcodec/lpc.h +++ b/libavcodec/lpc.h @@ -35,11 +35,22 @@ #define MIN_LPC_ORDER 1 #define MAX_LPC_ORDER 32 +/** + * LPC analysis type + */ +enum FFLPCType { + FF_LPC_TYPE_DEFAULT = -1, ///< use the codec default LPC type + FF_LPC_TYPE_NONE = 0, ///< do not use LPC prediction or use all zero coefficients + FF_LPC_TYPE_FIXED = 1, ///< fixed LPC coefficients + FF_LPC_TYPE_LEVINSON = 2, ///< Levinson-Durbin recursion + FF_LPC_TYPE_CHOLESKY = 3, ///< Cholesky factorization + FF_LPC_TYPE_NB , ///< Not part of ABI +}; typedef struct LPCContext { int blocksize; int max_order; - enum AVLPCType lpc_type; + enum FFLPCType lpc_type; double *windowed_samples; /** @@ -77,14 +88,14 @@ int ff_lpc_calc_coefs(LPCContext *s, const int32_t *samples, int blocksize, int min_order, int max_order, int precision, int32_t coefs[][MAX_LPC_ORDER], int *shift, - enum AVLPCType lpc_type, int lpc_passes, + enum FFLPCType lpc_type, int lpc_passes, int omethod, int max_shift, int zero_shift); /** * Initialize LPCContext. */ int ff_lpc_init(LPCContext *s, int blocksize, int max_order, - enum AVLPCType lpc_type); + enum FFLPCType lpc_type); void ff_lpc_init_x86(LPCContext *s); /** |