avcodec/dca: remove old decoder

Remove all files and functions which are not going to be reused,
and disable all functions and FATE tests temporarily which will be.

1 files changed, 0 insertions, 134 deletions

diff --git a/libavcodec/dcadsp.c b/libavcodec/dcadsp.c
deleted file mode 100644
index 32b149d09c..0000000000
--- a/libavcodec/dcadsp.c
+++ /dev/null
@@ -1,134 +0,0 @@
-/*
- * Copyright (c) 2004 Gildas Bazin
- * Copyright (c) 2010 Mans Rullgard <mans@mansr.com>
- *
- * 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
- */
-
-#include "config.h"
-
-#include "libavutil/attributes.h"
-#include "libavutil/intreadwrite.h"
-
-#include "dcadsp.h"
-#include "dcamath.h"
-
-static void decode_hf_c(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)
-{
-    int i, j;
-
-    for (j = start; j < end; j++) {
-        const int8_t *ptr = &hf_vq[vq_num[j]][vq_offset];
-        for (i = 0; i < 8; i++)
-            dst[j][i] = ptr[i] * scale[j][0] + 8 >> 4;
-    }
-}
-
-static inline void dca_lfe_fir(float *out, const float *in, const float *coefs,
-                               int decifactor)
-{
-    float *out2    = out + 2 * decifactor - 1;
-    int num_coeffs = 256 / decifactor;
-    int j, k;
-
-    /* One decimated sample generates 2*decifactor interpolated ones */
-    for (k = 0; k < decifactor; k++) {
-        float v0 = 0.0;
-        float v1 = 0.0;
-        for (j = 0; j < num_coeffs; j++, coefs++) {
-            v0 += in[-j]                 * *coefs;
-            v1 += in[j + 1 - num_coeffs] * *coefs;
-        }
-        *out++  = v0;
-        *out2-- = v1;
-    }
-}
-
-static void dca_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)
-{
-    int i;
-    int subindex;
-
-    for (i = sb_act; i < 32; i++)
-        raXin[i] = 0.0;
-
-    /* Reconstructed channel sample index */
-    for (subindex = 0; subindex < 8; subindex++) {
-        /* Load in one sample from each subband and clear inactive subbands */
-        for (i = 0; i < sb_act; i++) {
-            unsigned sign = (i - 1) & 2;
-            uint32_t v    = AV_RN32A(&samples_in[i][subindex]) ^ sign << 30;
-            AV_WN32A(&raXin[i], v);
-        }
-
-        synth->synth_filter_float(imdct, synth_buf_ptr, synth_buf_offset,
-                                  synth_buf2, window, samples_out, raXin,
-                                  scale);
-        samples_out += 32;
-    }
-}
-
-static void dequantize_c(int32_t *samples, uint32_t step_size, uint32_t scale)
-{
-    int64_t step = (int64_t)step_size * scale;
-    int shift, i;
-    int32_t step_scale;
-
-    if (step > (1 << 23))
-        shift = av_log2(step >> 23) + 1;
-    else
-        shift = 0;
-    step_scale = (int32_t)(step >> shift);
-
-    for (i = 0; i < SAMPLES_PER_SUBBAND; i++)
-        samples[i] = dca_clip23(dca_norm((int64_t)samples[i] * step_scale, 22 - shift));
-}
-
-static void dca_lfe_fir0_c(float *out, const float *in, const float *coefs)
-{
-    dca_lfe_fir(out, in, coefs, 32);
-}
-
-static void dca_lfe_fir1_c(float *out, const float *in, const float *coefs)
-{
-    dca_lfe_fir(out, in, coefs, 64);
-}
-
-av_cold void ff_dcadsp_init(DCADSPContext *s)
-{
-    s->lfe_fir[0]      = dca_lfe_fir0_c;
-    s->lfe_fir[1]      = dca_lfe_fir1_c;
-    s->qmf_32_subbands = dca_qmf_32_subbands;
-    s->decode_hf       = decode_hf_c;
-    s->dequantize      = dequantize_c;
-
-    if (ARCH_AARCH64)
-        ff_dcadsp_init_aarch64(s);
-    if (ARCH_ARM)
-        ff_dcadsp_init_arm(s);
-    if (ARCH_X86)
-        ff_dcadsp_init_x86(s);
-}