/* * 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_DCADSP_H #define AVCODEC_DCADSP_H #include "avfft.h" #include "synth_filter.h" #define DCA_SUBBANDS 64 typedef struct DCADSPContext { void (*lfe_fir[2])(float *out, const float *in, const float *coefs); void (*qmf_32_subbands)(float samples_in[32][8], int sb_act, SynthFilterContext *synth, FFTContext *imdct, float synth_buf_ptr[512], int *synth_buf_offset, float synth_buf2[32], const float window[512], float *samples_out, float raXin[32], float scale); void (*decode_hf)(float dst[DCA_SUBBANDS][8], const int32_t vq_num[DCA_SUBBANDS], const int8_t hf_vq[1024][32], intptr_t vq_offset, int32_t scale[DCA_SUBBANDS][2], intptr_t start, intptr_t end); } DCADSPContext; void ff_dcadsp_init(DCADSPContext *s); void ff_dcadsp_init_arm(DCADSPContext *s); void ff_dcadsp_init_x86(DCADSPContext *s); #endif /* AVCODEC_DCADSP_H */