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-rw-r--r--libavcodec/dcadsp.h102
1 files changed, 75 insertions, 27 deletions
diff --git a/libavcodec/dcadsp.h b/libavcodec/dcadsp.h
index 9ea89ea7af..8f2f467070 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