making act segmenter

1 files changed, 0 insertions, 400 deletions

diff --git a/ffmpeg1/libavcodec/mpegaudiodsp_template.c b/ffmpeg1/libavcodec/mpegaudiodsp_template.c
deleted file mode 100644
index 03a740a..0000000
--- a/ffmpeg1/libavcodec/mpegaudiodsp_template.c
+++ /dev/null
@@ -1,400 +0,0 @@
-/*
- * Copyright (c) 2001, 2002 Fabrice Bellard
- *
- * 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 <stdint.h>
-
-#include "libavutil/mem.h"
-#include "dct32.h"
-#include "mathops.h"
-#include "mpegaudiodsp.h"
-#include "mpegaudio.h"
-
-#if CONFIG_FLOAT
-#define RENAME(n) n##_float
-
-static inline float round_sample(float *sum)
-{
-    float sum1=*sum;
-    *sum = 0;
-    return sum1;
-}
-
-#define MACS(rt, ra, rb) rt+=(ra)*(rb)
-#define MULS(ra, rb) ((ra)*(rb))
-#define MULH3(x, y, s) ((s)*(y)*(x))
-#define MLSS(rt, ra, rb) rt-=(ra)*(rb)
-#define MULLx(x, y, s) ((y)*(x))
-#define FIXHR(x)        ((float)(x))
-#define FIXR(x)        ((float)(x))
-#define SHR(a,b)       ((a)*(1.0f/(1<<(b))))
-
-#else
-
-#define RENAME(n) n##_fixed
-#define OUT_SHIFT (WFRAC_BITS + FRAC_BITS - 15)
-
-static inline int round_sample(int64_t *sum)
-{
-    int sum1;
-    sum1 = (int)((*sum) >> OUT_SHIFT);
-    *sum &= (1<<OUT_SHIFT)-1;
-    return av_clip_int16(sum1);
-}
-
-#   define MULS(ra, rb) MUL64(ra, rb)
-#   define MACS(rt, ra, rb) MAC64(rt, ra, rb)
-#   define MLSS(rt, ra, rb) MLS64(rt, ra, rb)
-#   define MULH3(x, y, s) MULH((s)*(x), y)
-#   define MULLx(x, y, s) MULL(x,y,s)
-#   define SHR(a,b)       ((a)>>(b))
-#   define FIXR(a)        ((int)((a) * FRAC_ONE + 0.5))
-#   define FIXHR(a)       ((int)((a) * (1LL<<32) + 0.5))
-#endif
-
-/** Window for MDCT. Actually only the elements in [0,17] and
-    [MDCT_BUF_SIZE/2, MDCT_BUF_SIZE/2 + 17] are actually used. The rest
-    is just to preserve alignment for SIMD implementations.
-*/
-DECLARE_ALIGNED(16, INTFLOAT, RENAME(ff_mdct_win))[8][MDCT_BUF_SIZE];
-
-DECLARE_ALIGNED(16, MPA_INT, RENAME(ff_mpa_synth_window))[512+256];
-
-#define SUM8(op, sum, w, p)               \
-{                                         \
-    op(sum, (w)[0 * 64], (p)[0 * 64]);    \
-    op(sum, (w)[1 * 64], (p)[1 * 64]);    \
-    op(sum, (w)[2 * 64], (p)[2 * 64]);    \
-    op(sum, (w)[3 * 64], (p)[3 * 64]);    \
-    op(sum, (w)[4 * 64], (p)[4 * 64]);    \
-    op(sum, (w)[5 * 64], (p)[5 * 64]);    \
-    op(sum, (w)[6 * 64], (p)[6 * 64]);    \
-    op(sum, (w)[7 * 64], (p)[7 * 64]);    \
-}
-
-#define SUM8P2(sum1, op1, sum2, op2, w1, w2, p) \
-{                                               \
-    INTFLOAT tmp;\
-    tmp = p[0 * 64];\
-    op1(sum1, (w1)[0 * 64], tmp);\
-    op2(sum2, (w2)[0 * 64], tmp);\
-    tmp = p[1 * 64];\
-    op1(sum1, (w1)[1 * 64], tmp);\
-    op2(sum2, (w2)[1 * 64], tmp);\
-    tmp = p[2 * 64];\
-    op1(sum1, (w1)[2 * 64], tmp);\
-    op2(sum2, (w2)[2 * 64], tmp);\
-    tmp = p[3 * 64];\
-    op1(sum1, (w1)[3 * 64], tmp);\
-    op2(sum2, (w2)[3 * 64], tmp);\
-    tmp = p[4 * 64];\
-    op1(sum1, (w1)[4 * 64], tmp);\
-    op2(sum2, (w2)[4 * 64], tmp);\
-    tmp = p[5 * 64];\
-    op1(sum1, (w1)[5 * 64], tmp);\
-    op2(sum2, (w2)[5 * 64], tmp);\
-    tmp = p[6 * 64];\
-    op1(sum1, (w1)[6 * 64], tmp);\
-    op2(sum2, (w2)[6 * 64], tmp);\
-    tmp = p[7 * 64];\
-    op1(sum1, (w1)[7 * 64], tmp);\
-    op2(sum2, (w2)[7 * 64], tmp);\
-}
-
-void RENAME(ff_mpadsp_apply_window)(MPA_INT *synth_buf, MPA_INT *window,
-                                  int *dither_state, OUT_INT *samples,
-                                  int incr)
-{
-    register const MPA_INT *w, *w2, *p;
-    int j;
-    OUT_INT *samples2;
-#if CONFIG_FLOAT
-    float sum, sum2;
-#else
-    int64_t sum, sum2;
-#endif
-
-    /* copy to avoid wrap */
-    memcpy(synth_buf + 512, synth_buf, 32 * sizeof(*synth_buf));
-
-    samples2 = samples + 31 * incr;
-    w = window;
-    w2 = window + 31;
-
-    sum = *dither_state;
-    p = synth_buf + 16;
-    SUM8(MACS, sum, w, p);
-    p = synth_buf + 48;
-    SUM8(MLSS, sum, w + 32, p);
-    *samples = round_sample(&sum);
-    samples += incr;
-    w++;
-
-    /* we calculate two samples at the same time to avoid one memory
-       access per two sample */
-    for(j=1;j<16;j++) {
-        sum2 = 0;
-        p = synth_buf + 16 + j;
-        SUM8P2(sum, MACS, sum2, MLSS, w, w2, p);
-        p = synth_buf + 48 - j;
-        SUM8P2(sum, MLSS, sum2, MLSS, w + 32, w2 + 32, p);
-
-        *samples = round_sample(&sum);
-        samples += incr;
-        sum += sum2;
-        *samples2 = round_sample(&sum);
-        samples2 -= incr;
-        w++;
-        w2--;
-    }
-
-    p = synth_buf + 32;
-    SUM8(MLSS, sum, w + 32, p);
-    *samples = round_sample(&sum);
-    *dither_state= sum;
-}
-
-/* 32 sub band synthesis filter. Input: 32 sub band samples, Output:
-   32 samples. */
-void RENAME(ff_mpa_synth_filter)(MPADSPContext *s, MPA_INT *synth_buf_ptr,
-                                 int *synth_buf_offset,
-                                 MPA_INT *window, int *dither_state,
-                                 OUT_INT *samples, int incr,
-                                 MPA_INT *sb_samples)
-{
-    MPA_INT *synth_buf;
-    int offset;
-
-    offset = *synth_buf_offset;
-    synth_buf = synth_buf_ptr + offset;
-
-    s->RENAME(dct32)(synth_buf, sb_samples);
-    s->RENAME(apply_window)(synth_buf, window, dither_state, samples, incr);
-
-    offset = (offset - 32) & 511;
-    *synth_buf_offset = offset;
-}
-
-av_cold void RENAME(ff_mpa_synth_init)(MPA_INT *window)
-{
-    int i, j;
-
-    /* max = 18760, max sum over all 16 coefs : 44736 */
-    for(i=0;i<257;i++) {
-        INTFLOAT v;
-        v = ff_mpa_enwindow[i];
-#if CONFIG_FLOAT
-        v *= 1.0 / (1LL<<(16 + FRAC_BITS));
-#endif
-        window[i] = v;
-        if ((i & 63) != 0)
-            v = -v;
-        if (i != 0)
-            window[512 - i] = v;
-    }
-
-
-    // Needed for avoiding shuffles in ASM implementations
-    for(i=0; i < 8; i++)
-        for(j=0; j < 16; j++)
-            window[512+16*i+j] = window[64*i+32-j];
-
-    for(i=0; i < 8; i++)
-        for(j=0; j < 16; j++)
-            window[512+128+16*i+j] = window[64*i+48-j];
-}
-
-void RENAME(ff_init_mpadsp_tabs)(void)
-{
-    int i, j;
-    /* compute mdct windows */
-    for (i = 0; i < 36; i++) {
-        for (j = 0; j < 4; j++) {
-            double d;
-
-            if (j == 2 && i % 3 != 1)
-                continue;
-
-            d = sin(M_PI * (i + 0.5) / 36.0);
-            if (j == 1) {
-                if      (i >= 30) d = 0;
-                else if (i >= 24) d = sin(M_PI * (i - 18 + 0.5) / 12.0);
-                else if (i >= 18) d = 1;
-            } else if (j == 3) {
-                if      (i <   6) d = 0;
-                else if (i <  12) d = sin(M_PI * (i -  6 + 0.5) / 12.0);
-                else if (i <  18) d = 1;
-            }
-            //merge last stage of imdct into the window coefficients
-            d *= 0.5 * IMDCT_SCALAR / cos(M_PI * (2 * i + 19) / 72);
-
-            if (j == 2)
-                RENAME(ff_mdct_win)[j][i/3] = FIXHR((d / (1<<5)));
-            else {
-                int idx = i < 18 ? i : i + (MDCT_BUF_SIZE/2 - 18);
-                RENAME(ff_mdct_win)[j][idx] = FIXHR((d / (1<<5)));
-            }
-        }
-    }
-
-    /* NOTE: we do frequency inversion adter the MDCT by changing
-        the sign of the right window coefs */
-    for (j = 0; j < 4; j++) {
-        for (i = 0; i < MDCT_BUF_SIZE; i += 2) {
-            RENAME(ff_mdct_win)[j + 4][i    ] =  RENAME(ff_mdct_win)[j][i    ];
-            RENAME(ff_mdct_win)[j + 4][i + 1] = -RENAME(ff_mdct_win)[j][i + 1];
-        }
-    }
-}
-/* cos(pi*i/18) */
-#define C1 FIXHR(0.98480775301220805936/2)
-#define C2 FIXHR(0.93969262078590838405/2)
-#define C3 FIXHR(0.86602540378443864676/2)
-#define C4 FIXHR(0.76604444311897803520/2)
-#define C5 FIXHR(0.64278760968653932632/2)
-#define C6 FIXHR(0.5/2)
-#define C7 FIXHR(0.34202014332566873304/2)
-#define C8 FIXHR(0.17364817766693034885/2)
-
-/* 0.5 / cos(pi*(2*i+1)/36) */
-static const INTFLOAT icos36[9] = {
-    FIXR(0.50190991877167369479),
-    FIXR(0.51763809020504152469), //0
-    FIXR(0.55168895948124587824),
-    FIXR(0.61038729438072803416),
-    FIXR(0.70710678118654752439), //1
-    FIXR(0.87172339781054900991),
-    FIXR(1.18310079157624925896),
-    FIXR(1.93185165257813657349), //2
-    FIXR(5.73685662283492756461),
-};
-
-/* 0.5 / cos(pi*(2*i+1)/36) */
-static const INTFLOAT icos36h[9] = {
-    FIXHR(0.50190991877167369479/2),
-    FIXHR(0.51763809020504152469/2), //0
-    FIXHR(0.55168895948124587824/2),
-    FIXHR(0.61038729438072803416/2),
-    FIXHR(0.70710678118654752439/2), //1
-    FIXHR(0.87172339781054900991/2),
-    FIXHR(1.18310079157624925896/4),
-    FIXHR(1.93185165257813657349/4), //2
-//    FIXHR(5.73685662283492756461),
-};
-
-/* using Lee like decomposition followed by hand coded 9 points DCT */
-static void imdct36(INTFLOAT *out, INTFLOAT *buf, INTFLOAT *in, INTFLOAT *win)
-{
-    int i, j;
-    INTFLOAT t0, t1, t2, t3, s0, s1, s2, s3;
-    INTFLOAT tmp[18], *tmp1, *in1;
-
-    for (i = 17; i >= 1; i--)
-        in[i] += in[i-1];
-    for (i = 17; i >= 3; i -= 2)
-        in[i] += in[i-2];
-
-    for (j = 0; j < 2; j++) {
-        tmp1 = tmp + j;
-        in1 = in + j;
-
-        t2 = in1[2*4] + in1[2*8] - in1[2*2];
-
-        t3 = in1[2*0] + SHR(in1[2*6],1);
-        t1 = in1[2*0] - in1[2*6];
-        tmp1[ 6] = t1 - SHR(t2,1);
-        tmp1[16] = t1 + t2;
-
-        t0 = MULH3(in1[2*2] + in1[2*4] ,    C2, 2);
-        t1 = MULH3(in1[2*4] - in1[2*8] , -2*C8, 1);
-        t2 = MULH3(in1[2*2] + in1[2*8] ,   -C4, 2);
-
-        tmp1[10] = t3 - t0 - t2;
-        tmp1[ 2] = t3 + t0 + t1;
-        tmp1[14] = t3 + t2 - t1;
-
-        tmp1[ 4] = MULH3(in1[2*5] + in1[2*7] - in1[2*1], -C3, 2);
-        t2 = MULH3(in1[2*1] + in1[2*5],    C1, 2);
-        t3 = MULH3(in1[2*5] - in1[2*7], -2*C7, 1);
-        t0 = MULH3(in1[2*3], C3, 2);
-
-        t1 = MULH3(in1[2*1] + in1[2*7],   -C5, 2);
-
-        tmp1[ 0] = t2 + t3 + t0;
-        tmp1[12] = t2 + t1 - t0;
-        tmp1[ 8] = t3 - t1 - t0;
-    }
-
-    i = 0;
-    for (j = 0; j < 4; j++) {
-        t0 = tmp[i];
-        t1 = tmp[i + 2];
-        s0 = t1 + t0;
-        s2 = t1 - t0;
-
-        t2 = tmp[i + 1];
-        t3 = tmp[i + 3];
-        s1 = MULH3(t3 + t2, icos36h[    j], 2);
-        s3 = MULLx(t3 - t2, icos36 [8 - j], FRAC_BITS);
-
-        t0 = s0 + s1;
-        t1 = s0 - s1;
-        out[(9 + j) * SBLIMIT] = MULH3(t1, win[     9 + j], 1) + buf[4*(9 + j)];
-        out[(8 - j) * SBLIMIT] = MULH3(t1, win[     8 - j], 1) + buf[4*(8 - j)];
-        buf[4 * ( 9 + j     )] = MULH3(t0, win[MDCT_BUF_SIZE/2 + 9 + j], 1);
-        buf[4 * ( 8 - j     )] = MULH3(t0, win[MDCT_BUF_SIZE/2 + 8 - j], 1);
-
-        t0 = s2 + s3;
-        t1 = s2 - s3;
-        out[(9 + 8 - j) * SBLIMIT] = MULH3(t1, win[     9 + 8 - j], 1) + buf[4*(9 + 8 - j)];
-        out[         j  * SBLIMIT] = MULH3(t1, win[             j], 1) + buf[4*(        j)];
-        buf[4 * ( 9 + 8 - j     )] = MULH3(t0, win[MDCT_BUF_SIZE/2 + 9 + 8 - j], 1);
-        buf[4 * (         j     )] = MULH3(t0, win[MDCT_BUF_SIZE/2         + j], 1);
-        i += 4;
-    }
-
-    s0 = tmp[16];
-    s1 = MULH3(tmp[17], icos36h[4], 2);
-    t0 = s0 + s1;
-    t1 = s0 - s1;
-    out[(9 + 4) * SBLIMIT] = MULH3(t1, win[     9 + 4], 1) + buf[4*(9 + 4)];
-    out[(8 - 4) * SBLIMIT] = MULH3(t1, win[     8 - 4], 1) + buf[4*(8 - 4)];
-    buf[4 * ( 9 + 4     )] = MULH3(t0, win[MDCT_BUF_SIZE/2 + 9 + 4], 1);
-    buf[4 * ( 8 - 4     )] = MULH3(t0, win[MDCT_BUF_SIZE/2 + 8 - 4], 1);
-}
-
-void RENAME(ff_imdct36_blocks)(INTFLOAT *out, INTFLOAT *buf, INTFLOAT *in,
-                               int count, int switch_point, int block_type)
-{
-    int j;
-    for (j=0 ; j < count; j++) {
-        /* apply window & overlap with previous buffer */
-
-        /* select window */
-        int win_idx = (switch_point && j < 2) ? 0 : block_type;
-        INTFLOAT *win = RENAME(ff_mdct_win)[win_idx + (4 & -(j & 1))];
-
-        imdct36(out, buf, in, win);
-
-        in  += 18;
-        buf += ((j&3) != 3 ? 1 : (72-3));
-        out++;
-    }
-}
-