mirror of https://git.ffmpeg.org/ffmpeg.git
90 lines
3.3 KiB
C
90 lines
3.3 KiB
C
/*
|
|
* Copyright (c) 2012-2014 Christophe Gisquet <christophe.gisquet@gmail.com>
|
|
*
|
|
* This file is part of Libav.
|
|
*
|
|
* Libav 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.
|
|
*
|
|
* Libav 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 Libav; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#include "libavutil/attributes.h"
|
|
#include "libavutil/cpu.h"
|
|
#include "libavutil/x86/cpu.h"
|
|
#include "libavcodec/dcadsp.h"
|
|
|
|
void ff_decode_hf_sse(float dst[DCA_SUBBANDS][8], const int vq_num[DCA_SUBBANDS],
|
|
const int8_t hf_vq[1024][32], intptr_t vq_offset,
|
|
int scale[DCA_SUBBANDS][2], intptr_t start, intptr_t end);
|
|
void ff_decode_hf_sse2(float dst[DCA_SUBBANDS][8], const int vq_num[DCA_SUBBANDS],
|
|
const int8_t hf_vq[1024][32], intptr_t vq_offset,
|
|
int scale[DCA_SUBBANDS][2], intptr_t start, intptr_t end);
|
|
void ff_decode_hf_sse4(float dst[DCA_SUBBANDS][8], const int vq_num[DCA_SUBBANDS],
|
|
const int8_t hf_vq[1024][32], intptr_t vq_offset,
|
|
int scale[DCA_SUBBANDS][2], intptr_t start, intptr_t end);
|
|
void ff_dca_lfe_fir0_sse(float *out, const float *in, const float *coefs);
|
|
void ff_dca_lfe_fir1_sse(float *out, const float *in, const float *coefs);
|
|
|
|
av_cold void ff_dcadsp_init_x86(DCADSPContext *s)
|
|
{
|
|
int cpu_flags = av_get_cpu_flags();
|
|
|
|
if (EXTERNAL_SSE(cpu_flags)) {
|
|
#if ARCH_X86_32
|
|
s->decode_hf = ff_decode_hf_sse;
|
|
#endif
|
|
s->lfe_fir[0] = ff_dca_lfe_fir0_sse;
|
|
s->lfe_fir[1] = ff_dca_lfe_fir1_sse;
|
|
}
|
|
|
|
if (EXTERNAL_SSE2(cpu_flags)) {
|
|
s->decode_hf = ff_decode_hf_sse2;
|
|
}
|
|
|
|
if (EXTERNAL_SSE4(cpu_flags)) {
|
|
s->decode_hf = ff_decode_hf_sse4;
|
|
}
|
|
}
|
|
|
|
void ff_synth_filter_inner_sse2(float *synth_buf_ptr, float synth_buf2[32],
|
|
const float window[512],
|
|
float out[32], intptr_t offset, float scale);
|
|
|
|
#if HAVE_YASM
|
|
static void synth_filter_sse2(FFTContext *imdct,
|
|
float *synth_buf_ptr, int *synth_buf_offset,
|
|
float synth_buf2[32], const float window[512],
|
|
float out[32], const float in[32], float scale)
|
|
{
|
|
float *synth_buf= synth_buf_ptr + *synth_buf_offset;
|
|
|
|
imdct->imdct_half(imdct, synth_buf, in);
|
|
|
|
ff_synth_filter_inner_sse2(synth_buf, synth_buf2, window,
|
|
out, *synth_buf_offset, scale);
|
|
|
|
*synth_buf_offset = (*synth_buf_offset - 32) & 511;
|
|
}
|
|
#endif /* HAVE_YASM */
|
|
|
|
av_cold void ff_synth_filter_init_x86(SynthFilterContext *s)
|
|
{
|
|
#if HAVE_YASM
|
|
int cpu_flags = av_get_cpu_flags();
|
|
|
|
if (EXTERNAL_SSE2(cpu_flags)) {
|
|
s->synth_filter_float = synth_filter_sse2;
|
|
}
|
|
#endif /* HAVE_YASM */
|
|
}
|