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4b5f78337a
This makes sure that we only build files that need explicit SIMD support with the relevant CFLAGS. This allows the rest of the code to be built without, and specific SSE* code is only called after runtime checks for CPU features. https://bugzilla.gnome.org/show_bug.cgi?id=729276
109 lines
5 KiB
C
109 lines
5 KiB
C
/* GStreamer
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* Copyright (C) <2015> Wim Taymans <wim.taymans@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __GST_AUDIO_RESAMPLER_MACROS_H__
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#define __GST_AUDIO_RESAMPLER_MACROS_H__
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#include <string.h>
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#include "audio-resampler-private.h"
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#define PRECISION_S16 15
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#define PRECISION_S32 31
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#define DECL_GET_TAPS_FULL_FUNC(type) \
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gpointer \
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get_taps_##type##_full (GstAudioResampler * resampler, \
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gint *samp_index, gint *samp_phase, type icoeff[4])
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DECL_GET_TAPS_FULL_FUNC (gint16);
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DECL_GET_TAPS_FULL_FUNC (gint32);
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DECL_GET_TAPS_FULL_FUNC (gfloat);
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DECL_GET_TAPS_FULL_FUNC (gdouble);
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#define DECL_GET_TAPS_INTERPOLATE_FUNC(type, inter) \
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gpointer \
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get_taps_##type##_##inter (GstAudioResampler * resampler, \
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gint *samp_index, gint *samp_phase, type icoeff[4]) \
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DECL_GET_TAPS_INTERPOLATE_FUNC (gint16, linear);
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DECL_GET_TAPS_INTERPOLATE_FUNC (gint32, linear);
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DECL_GET_TAPS_INTERPOLATE_FUNC (gfloat, linear);
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DECL_GET_TAPS_INTERPOLATE_FUNC (gdouble, linear);
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DECL_GET_TAPS_INTERPOLATE_FUNC (gint16, cubic);
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DECL_GET_TAPS_INTERPOLATE_FUNC (gint32, cubic);
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DECL_GET_TAPS_INTERPOLATE_FUNC (gfloat, cubic);
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DECL_GET_TAPS_INTERPOLATE_FUNC (gdouble, cubic);
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#define DECL_RESAMPLE_FUNC(type,inter,channels,arch) \
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void \
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resample_ ##type## _ ##inter## _ ##channels## _ ##arch (GstAudioResampler * resampler, \
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gpointer in[], gsize in_len, gpointer out[], gsize out_len, \
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gsize * consumed)
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#define MAKE_RESAMPLE_FUNC(type,inter,channels,arch) \
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DECL_RESAMPLE_FUNC (type, inter, channels, arch) \
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{ \
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gint c, di = 0; \
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gint n_taps = resampler->n_taps; \
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gint blocks = resampler->blocks; \
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gint ostride = resampler->ostride; \
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gint taps_stride = resampler->taps_stride; \
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gint samp_index = 0; \
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gint samp_phase = 0; \
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\
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for (c = 0; c < blocks; c++) { \
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type *ip = in[c]; \
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type *op = ostride == 1 ? out[c] : (type *)out[0] + c; \
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\
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samp_index = resampler->samp_index; \
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samp_phase = resampler->samp_phase; \
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\
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for (di = 0; di < out_len; di++) { \
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type *ipp, icoeff[4], *taps; \
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\
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ipp = &ip[samp_index * channels]; \
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\
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taps = get_taps_ ##type##_##inter \
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(resampler, &samp_index, &samp_phase, icoeff); \
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inner_product_ ##type##_##inter##_##channels##_##arch \
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(op, ipp, taps, n_taps, icoeff, taps_stride); \
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op += ostride; \
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} \
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if (in_len > samp_index) \
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memmove (ip, &ip[samp_index * channels], \
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(in_len - samp_index) * sizeof(type) * channels); \
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} \
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*consumed = samp_index - resampler->samp_index; \
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\
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resampler->samp_index = 0; \
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resampler->samp_phase = samp_phase; \
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}
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#define DECL_RESAMPLE_FUNC_STATIC(type,inter,channels,arch) \
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static DECL_RESAMPLE_FUNC (type, inter, channels, arch)
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#define MAKE_RESAMPLE_FUNC_STATIC(type,inter,channels,arch) \
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static MAKE_RESAMPLE_FUNC (type, inter, channels, arch)
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#endif /* __GST_AUDIO_RESAMPLER_MACROS_H__ */
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