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Diffstat (limited to 'libk3b/plugin/libsamplerate/common.h')
-rw-r--r-- | libk3b/plugin/libsamplerate/common.h | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/libk3b/plugin/libsamplerate/common.h b/libk3b/plugin/libsamplerate/common.h new file mode 100644 index 0000000..86021ae --- /dev/null +++ b/libk3b/plugin/libsamplerate/common.h @@ -0,0 +1,105 @@ +/* +** Copyright (C) 2002,2003 Erik de Castro Lopo <erikd@mega-nerd.com> +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 51 Franklin Steet, Fifth Floor, Boston, MA 02110-1301, USA. +*/ + +#ifndef COMMON_H_INCLUDED +#define COMMON_H_INCLUDED + +#ifdef HAVE_STDINT_H +#include <stdint.h> +#elif (SIZEOF_INT == 4) +typedef int int32_t ; +#elif (SIZEOF_LONG == 4) +typedef long int32_t ; +#endif + +#define SRC_MAX_RATIO 12 +#define SRC_MIN_RATIO_DIFF (1e-20) + +#define MAX(a,b) (((a) > (b)) ? (a) : (b)) +#define MIN(a,b) (((a) < (b)) ? (a) : (b)) + +#define MAKE_MAGIC(a,b,c,d,e,f) ((a)+((b)<<4)+((c)<<8)+((d)<<12)+((e)<<16)+((f)<<20)) + +#include "samplerate.h" + +enum +{ SRC_FALSE = 0, + SRC_TRUE = 1 +} ; + +enum +{ SRC_ERR_NO_ERROR = 0, + + SRC_ERR_MALLOC_FAILED, + SRC_ERR_BAD_STATE, + SRC_ERR_BAD_DATA, + SRC_ERR_BAD_DATA_PTR, + SRC_ERR_NO_PRIVATE, + SRC_ERR_BAD_SRC_RATIO, + SRC_ERR_BAD_PROC_PTR, + SRC_ERR_SHIFT_BITS, + SRC_ERR_FILTER_LEN, + SRC_ERR_BAD_CONVERTER, + SRC_ERR_BAD_CHANNEL_COUNT, + SRC_ERR_SINC_BAD_BUFFER_LEN, + SRC_ERR_SIZE_INCOMPATIBILITY, + SRC_ERR_BAD_PRIV_PTR, + SRC_ERR_BAD_SINC_STATE, + SRC_ERR_DATA_OVERLAP, + + /* This must be the last error number. */ + SRC_ERR_MAX_ERROR +} ; + +typedef struct SRC_PRIVATE_tag +{ double last_ratio, last_position ; + + void *private_data ; + + int (*process) (struct SRC_PRIVATE_tag *psrc, SRC_DATA *data) ; + void (*reset) (struct SRC_PRIVATE_tag *psrc) ; + + int error ; + int channels ; +} SRC_PRIVATE ; + +/* In src_sinc.c */ +int sinc_process (SRC_PRIVATE *psrc, SRC_DATA *data) ; + +const char* sinc_get_name (int src_enum) ; +const char* sinc_get_description (int src_enum) ; + +int sinc_set_converter (SRC_PRIVATE *psrc, int src_enum) ; + +/* In src_linear.c */ +int linear_process (SRC_PRIVATE *psrc, SRC_DATA *data) ; + +const char* linear_get_name (int src_enum) ; +const char* linear_get_description (int src_enum) ; + +int linear_set_converter (SRC_PRIVATE *psrc, int src_enum) ; + +/* In src_zoh.c */ +int zoh_process (SRC_PRIVATE *psrc, SRC_DATA *data) ; + +const char* zoh_get_name (int src_enum) ; +const char* zoh_get_description (int src_enum) ; + +int zoh_set_converter (SRC_PRIVATE *psrc, int src_enum) ; + +#endif /* COMMON_H_INCLUDED */ |