diff options
Diffstat (limited to 'libswresample/resample_dsp.c')
-rw-r--r-- | libswresample/resample_dsp.c | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/libswresample/resample_dsp.c b/libswresample/resample_dsp.c new file mode 100644 index 0000000000..41369f3f8a --- /dev/null +++ b/libswresample/resample_dsp.c @@ -0,0 +1,69 @@ +/* + * audio resampling + * Copyright (c) 2004-2012 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 + */ + +/** + * @file + * audio resampling + * @author Michael Niedermayer <michaelni@gmx.at> + */ + +#include "resample.h" + +#define TEMPLATE_RESAMPLE_S16 +#include "resample_template.c" +#undef TEMPLATE_RESAMPLE_S16 + +#define TEMPLATE_RESAMPLE_S32 +#include "resample_template.c" +#undef TEMPLATE_RESAMPLE_S32 + +#define TEMPLATE_RESAMPLE_FLT +#include "resample_template.c" +#undef TEMPLATE_RESAMPLE_FLT + +#define TEMPLATE_RESAMPLE_DBL +#include "resample_template.c" +#undef TEMPLATE_RESAMPLE_DBL + +void swri_resample_dsp_init(ResampleContext *c) +{ + switch(c->format){ + case AV_SAMPLE_FMT_S16P: + c->dsp.resample_one = resample_one_int16; + c->dsp.resample = c->linear ? resample_linear_int16 : resample_common_int16; + break; + case AV_SAMPLE_FMT_S32P: + c->dsp.resample_one = resample_one_int32; + c->dsp.resample = c->linear ? resample_linear_int32 : resample_common_int32; + break; + case AV_SAMPLE_FMT_FLTP: + c->dsp.resample_one = resample_one_float; + c->dsp.resample = c->linear ? resample_linear_float : resample_common_float; + break; + case AV_SAMPLE_FMT_DBLP: + c->dsp.resample_one = resample_one_double; + c->dsp.resample = c->linear ? resample_linear_double : resample_common_double; + break; + } + + if (ARCH_X86) swri_resample_dsp_x86_init(c); + else if (ARCH_ARM) swri_resample_dsp_arm_init(c); +} |