diff options
Diffstat (limited to 'ffmpeg/libavcodec/fmtconvert.h')
| -rw-r--r-- | ffmpeg/libavcodec/fmtconvert.h | 118 |
1 files changed, 0 insertions, 118 deletions
diff --git a/ffmpeg/libavcodec/fmtconvert.h b/ffmpeg/libavcodec/fmtconvert.h deleted file mode 100644 index 30abcc3..0000000 --- a/ffmpeg/libavcodec/fmtconvert.h +++ /dev/null @@ -1,118 +0,0 @@ -/* - * Format Conversion Utils - * Copyright (c) 2000, 2001 Fabrice Bellard - * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at> - * - * This file is part of FFmpeg. - * - * FFmpeg is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * FFmpeg 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 - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#ifndef AVCODEC_FMTCONVERT_H -#define AVCODEC_FMTCONVERT_H - -#include "avcodec.h" - -typedef struct FmtConvertContext { - /** - * Convert an array of int32_t to float and multiply by a float value. - * @param dst destination array of float. - * constraints: 16-byte aligned - * @param src source array of int32_t. - * constraints: 16-byte aligned - * @param len number of elements to convert. - * constraints: multiple of 8 - */ - void (*int32_to_float_fmul_scalar)(float *dst, const int32_t *src, - float mul, int len); - - /** - * Convert an array of int32_t to float and multiply by a float value from another array, - * stepping along the float array once for each 8 integers. - * @param c pointer to FmtConvertContext. - * @param dst destination array of float. - * constraints: 16-byte aligned - * @param src source array of int32_t. - * constraints: 16-byte aligned - * @param mul source array of float multipliers. - * @param len number of elements to convert. - * constraints: multiple of 8 - */ - void (*int32_to_float_fmul_array8)(struct FmtConvertContext *c, - float *dst, const int32_t *src, - const float *mul, int len); - - /** - * Convert an array of float to an array of int16_t. - * - * Convert floats from in the range [-32768.0,32767.0] to ints - * without rescaling - * - * @param dst destination array of int16_t. - * constraints: 16-byte aligned - * @param src source array of float. - * constraints: 16-byte aligned - * @param len number of elements to convert. - * constraints: multiple of 8 - */ - void (*float_to_int16)(int16_t *dst, const float *src, long len); - - /** - * Convert multiple arrays of float to an interleaved array of int16_t. - * - * Convert floats from in the range [-32768.0,32767.0] to ints - * without rescaling - * - * @param dst destination array of interleaved int16_t. - * constraints: 16-byte aligned - * @param src source array of float arrays, one for each channel. - * constraints: 16-byte aligned - * @param len number of elements to convert. - * constraints: multiple of 8 - * @param channels number of channels - */ - void (*float_to_int16_interleave)(int16_t *dst, const float **src, - long len, int channels); - - /** - * Convert multiple arrays of float to an array of interleaved float. - * - * @param dst destination array of interleaved float. - * constraints: 16-byte aligned - * @param src source array of float arrays, one for each channel. - * constraints: 16-byte aligned - * @param len number of elements to convert. - * constraints: multiple of 8 - * @param channels number of channels - */ - void (*float_interleave)(float *dst, const float **src, unsigned int len, - int channels); -} FmtConvertContext; - -void ff_float_interleave_c(float *dst, const float **src, unsigned int len, - int channels); - -void ff_fmt_convert_init(FmtConvertContext *c, AVCodecContext *avctx); - -void ff_fmt_convert_init_arm(FmtConvertContext *c, AVCodecContext *avctx); -void ff_fmt_convert_init_ppc(FmtConvertContext *c, AVCodecContext *avctx); -void ff_fmt_convert_init_x86(FmtConvertContext *c, AVCodecContext *avctx); -void ff_fmt_convert_init_mips(FmtConvertContext *c); - -/* ffdshow custom code */ -void float_interleave(float *dst, const float **src, long len, int channels); -void float_interleave_noscale(float *dst, const float **src, long len, int channels); - -#endif /* AVCODEC_FMTCONVERT_H */ |