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- // VirtualDub - Video processing and capture application
- // Audio processing library
- // Copyright (C) 1998-2004 Avery Lee
- //
- // 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., 675 Mass Ave, Cambridge, MA 02139, USA.
-
- #ifndef f_VD2_PRISS_CONVERT_H
- #define f_VD2_PRISS_CONVERT_H
-
- #include <vd2/system/vdtypes.h>
-
- /////// PCM conversion
-
- typedef void (VDAPIENTRY *tpVDConvertPCM)(void *dst, const void *src, uint32 samples);
-
- void VDConvertPCM32FToPCM8 (void *dst0, const void *src0, uint32 samples);
- void VDConvertPCM32FToPCM16 (void *dst0, const void *src0, uint32 samples);
- void VDConvertPCM16ToPCM8 (void *dst0, const void *src0, uint32 samples);
- void VDConvertPCM16ToPCM32F (void *dst0, const void *src0, uint32 samples);
- void VDConvertPCM8ToPCM16 (void *dst0, const void *src0, uint32 samples);
- void VDConvertPCM8ToPCM32F (void *dst0, const void *src0, uint32 samples);
-
- void VDConvertPCM16ToPCM8_MMX (void *dst0, const void *src0, uint32 samples);
- void VDConvertPCM8ToPCM16_MMX (void *dst0, const void *src0, uint32 samples);
-
- void VDConvertPCM32FToPCM8_SSE (void *dst0, const void *src0, uint32 samples);
- void VDConvertPCM32FToPCM16_SSE (void *dst0, const void *src0, uint32 samples);
- void VDConvertPCM16ToPCM32F_SSE (void *dst0, const void *src0, uint32 samples);
- void VDConvertPCM8ToPCM32F_SSE (void *dst0, const void *src0, uint32 samples);
-
- typedef const tpVDConvertPCM (*tpVDConvertPCMVtbl)[3];
-
- enum VDAudioSampleType {
- kVDAudioSampleType8U,
- kVDAudioSampleType16S,
- kVDAudioSampleType32F,
- kVDAudioSampleTypeCount
- };
-
- tpVDConvertPCMVtbl VDGetPCMConversionVtable();
-
- /////// FIR filtering
-
- struct VDAudioFilterVtable {
- sint16 (VDAPIENTRY *FilterPCM16)(const sint16 *src, const sint16 *filter, uint32 filterquadsize);
- void (VDAPIENTRY *FilterPCM16End)();
- void (VDAPIENTRY *FilterPCM16SymmetricArray)(sint16 *dst, ptrdiff_t dst_stride, const sint16 *src_center, uint32 count, const sint16 *filter, uint32 filterquadsizeminus1);
- };
-
- const VDAudioFilterVtable *VDGetAudioFilterVtable(uint32 taps = 0);
-
- #endif
-