diff options
Diffstat (limited to 'libavcodec/dcadsp.h')
-rw-r--r-- | libavcodec/dcadsp.h | 102 |
1 files changed, 75 insertions, 27 deletions
diff --git a/libavcodec/dcadsp.h b/libavcodec/dcadsp.h index 9ea89ea..8f2f467 100644 --- a/libavcodec/dcadsp.h +++ b/libavcodec/dcadsp.h @@ -1,51 +1,99 @@ /* - * This file is part of Libav. + * Copyright (C) 2016 foo86 * - * Libav is free software; you can redistribute it and/or + * 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. * - * Libav is distributed in the hope that it will be useful, + * 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 Libav; if not, write to the Free Software + * 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 "libavutil/common.h" + +#include "fft.h" +#include "dcadct.h" #include "synth_filter.h" -#define DCA_SUBBANDS_X96K 64 -#define DCA_SUBBANDS 32 -#define SAMPLES_PER_SUBBAND 8 // number of samples per subband per subsubframe +typedef struct DCADSPContext { + void (*decode_hf)(int32_t **dst, + const int32_t *vq_index, + const int8_t hf_vq[1024][32], + int32_t scale_factors[32][2], + ptrdiff_t sb_start, ptrdiff_t sb_end, + ptrdiff_t ofs, ptrdiff_t len); + void (*decode_joint)(int32_t **dst, int32_t **src, + const int32_t *scale_factors, + ptrdiff_t sb_start, ptrdiff_t sb_end, + ptrdiff_t ofs, ptrdiff_t len); -typedef struct DCADSPContext { - void (*lfe_fir[2])(float *out, const float *in, const float *coefs); - void (*qmf_32_subbands)(float samples_in[DCA_SUBBANDS][SAMPLES_PER_SUBBAND], 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)(int32_t dst[DCA_SUBBANDS][SAMPLES_PER_SUBBAND], - 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); - void (*dequantize)(int32_t *samples, uint32_t step_size, uint32_t scale); + void (*lfe_fir_float[2])(float *pcm_samples, int32_t *lfe_samples, + const float *filter_coeff, ptrdiff_t npcmblocks); + + void (*lfe_x96_float)(float *dst, const float *src, + float *hist, ptrdiff_t len); + + void (*sub_qmf_float[2])(SynthFilterContext *synth, + FFTContext *imdct, + float *pcm_samples, + int32_t **subband_samples_lo, + int32_t **subband_samples_hi, + float *hist1, int *offset, float *hist2, + const float *filter_coeff, ptrdiff_t npcmblocks, + float scale); + + void (*lfe_fir_fixed)(int32_t *pcm_samples, int32_t *lfe_samples, + const int32_t *filter_coeff, ptrdiff_t npcmblocks); + + void (*lfe_x96_fixed)(int32_t *dst, const int32_t *src, + int32_t *hist, ptrdiff_t len); + + void (*sub_qmf_fixed[2])(SynthFilterContext *synth, + DCADCTContext *imdct, + int32_t *pcm_samples, + int32_t **subband_samples_lo, + int32_t **subband_samples_hi, + int32_t *hist1, int *offset, int32_t *hist2, + const int32_t *filter_coeff, ptrdiff_t npcmblocks); + + void (*decor)(int32_t *dst, const int32_t *src, int coeff, ptrdiff_t len); + + void (*dmix_sub_xch)(int32_t *dst1, int32_t *dst2, + const int32_t *src, ptrdiff_t len); + + void (*dmix_sub)(int32_t *dst, const int32_t *src, int coeff, ptrdiff_t len); + + void (*dmix_add)(int32_t *dst, const int32_t *src, int coeff, ptrdiff_t len); + + void (*dmix_scale)(int32_t *dst, int scale, ptrdiff_t len); + + void (*dmix_scale_inv)(int32_t *dst, int scale_inv, ptrdiff_t len); + + void (*assemble_freq_bands)(int32_t *dst, int32_t *src0, int32_t *src1, + const int32_t *coeff, ptrdiff_t len); + + void (*lbr_bank)(float output[32][4], float **input, + const float *coeff, ptrdiff_t ofs, ptrdiff_t len); + + void (*lfe_iir)(float *output, const float *input, + const float iir[5][4], float hist[5][2], + ptrdiff_t factor); } DCADSPContext; -void ff_dcadsp_init(DCADSPContext *s); -void ff_dcadsp_init_aarch64(DCADSPContext *s); -void ff_dcadsp_init_arm(DCADSPContext *s); -void ff_dcadsp_init_x86(DCADSPContext *s); +av_cold void ff_dcadsp_init(DCADSPContext *s); +av_cold void ff_dcadsp_init_x86(DCADSPContext *s); -#endif /* AVCODEC_DCADSP_H */ +#endif |