diff options
Diffstat (limited to 'libavcodec/avcodec.h')
| -rw-r--r-- | libavcodec/avcodec.h | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h index 475d9b5f03..48666f9970 100644 --- a/libavcodec/avcodec.h +++ b/libavcodec/avcodec.h @@ -30,7 +30,7 @@ #include "libavutil/avutil.h" #define LIBAVCODEC_VERSION_MAJOR 52 -#define LIBAVCODEC_VERSION_MINOR 82 +#define LIBAVCODEC_VERSION_MINOR 83 #define LIBAVCODEC_VERSION_MICRO 0 #define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \ @@ -526,6 +526,18 @@ enum AVChromaLocation{ AVCHROMA_LOC_NB , ///< Not part of ABI }; +/** + * LPC analysis type + */ +enum AVLPCType { + AV_LPC_TYPE_DEFAULT = -1, ///< use the codec default LPC type + AV_LPC_TYPE_NONE = 0, ///< do not use LPC prediction or use all zero coefficients + AV_LPC_TYPE_FIXED = 1, ///< fixed LPC coefficients + AV_LPC_TYPE_LEVINSON = 2, ///< Levinson-Durbin recursion + AV_LPC_TYPE_CHOLESKY = 3, ///< Cholesky factorization + AV_LPC_TYPE_NB , ///< Not part of ABI +}; + typedef struct RcOverride{ int start_frame; int end_frame; @@ -2413,12 +2425,15 @@ typedef struct AVCodecContext { int compression_level; #define FF_COMPRESSION_DEFAULT -1 +#if LIBAVCODEC_VERSION_MAJOR < 53 /** * Sets whether to use LPC mode - used by FLAC encoder. * - encoding: Set by user. * - decoding: unused + * @deprecated Deprecated in favor of lpc_type and lpc_passes. */ int use_lpc; +#endif /** * LPC coefficient precision - used by FLAC encoder @@ -2672,6 +2687,20 @@ typedef struct AVCodecContext { float crf_max; int log_level_offset; + + /** + * Determines which LPC analysis algorithm to use. + * - encoding: Set by user + * - decoding: unused + */ + enum AVLPCType lpc_type; + + /** + * Number of passes to use for Cholesky factorization during LPC analysis + * - encoding: Set by user + * - decoding: unused + */ + int lpc_passes; } AVCodecContext; /** |