making act segmenter

1 files changed, 0 insertions, 154 deletions

diff --git a/ffmpeg1/libavcodec/x86/lpc.c b/ffmpeg1/libavcodec/x86/lpc.c
deleted file mode 100644
index 1962212..0000000
--- a/ffmpeg1/libavcodec/x86/lpc.c
+++ /dev/null
@@ -1,154 +0,0 @@
-/*
- * MMX optimized LPC DSP utils
- * Copyright (c) 2007 Loren Merritt
- *
- * 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 "libavutil/x86/asm.h"
-#include "libavutil/attributes.h"
-#include "libavutil/cpu.h"
-#include "libavcodec/lpc.h"
-
-#if HAVE_SSE2_INLINE
-
-static void lpc_apply_welch_window_sse2(const int32_t *data, int len,
-                                        double *w_data)
-{
-    double c = 2.0 / (len-1.0);
-    int n2 = len>>1;
-    x86_reg i = -n2*sizeof(int32_t);
-    x86_reg j =  n2*sizeof(int32_t);
-    __asm__ volatile(
-        "movsd   %4,     %%xmm7                \n\t"
-        "movapd  "MANGLE(ff_pd_1)", %%xmm6     \n\t"
-        "movapd  "MANGLE(ff_pd_2)", %%xmm5     \n\t"
-        "movlhps %%xmm7, %%xmm7                \n\t"
-        "subpd   %%xmm5, %%xmm7                \n\t"
-        "addsd   %%xmm6, %%xmm7                \n\t"
-        "test    $1,     %5                    \n\t"
-        "jz      2f                            \n\t"
-#define WELCH(MOVPD, offset)\
-        "1:                                    \n\t"\
-        "movapd   %%xmm7,  %%xmm1              \n\t"\
-        "mulpd    %%xmm1,  %%xmm1              \n\t"\
-        "movapd   %%xmm6,  %%xmm0              \n\t"\
-        "subpd    %%xmm1,  %%xmm0              \n\t"\
-        "pshufd   $0x4e,   %%xmm0, %%xmm1      \n\t"\
-        "cvtpi2pd (%3,%0), %%xmm2              \n\t"\
-        "cvtpi2pd "#offset"*4(%3,%1), %%xmm3   \n\t"\
-        "mulpd    %%xmm0,  %%xmm2              \n\t"\
-        "mulpd    %%xmm1,  %%xmm3              \n\t"\
-        "movapd   %%xmm2, (%2,%0,2)            \n\t"\
-        MOVPD"    %%xmm3, "#offset"*8(%2,%1,2) \n\t"\
-        "subpd    %%xmm5,  %%xmm7              \n\t"\
-        "sub      $8,      %1                  \n\t"\
-        "add      $8,      %0                  \n\t"\
-        "jl 1b                                 \n\t"\
-
-        WELCH("movupd", -1)
-        "jmp 3f                                \n\t"
-        "2:                                    \n\t"
-        WELCH("movapd", -2)
-        "3:                                    \n\t"
-        :"+&r"(i), "+&r"(j)
-        :"r"(w_data+n2), "r"(data+n2), "m"(c), "r"(len)
-         XMM_CLOBBERS_ONLY("%xmm0", "%xmm1", "%xmm2", "%xmm3",
-                                    "%xmm5", "%xmm6", "%xmm7")
-    );
-#undef WELCH
-}
-
-static void lpc_compute_autocorr_sse2(const double *data, int len, int lag,
-                                      double *autoc)
-{
-    int j;
-
-    if((x86_reg)data & 15)
-        data++;
-
-    for(j=0; j<lag; j+=2){
-        x86_reg i = -len*sizeof(double);
-        if(j == lag-2) {
-            __asm__ volatile(
-                "movsd    "MANGLE(ff_pd_1)", %%xmm0 \n\t"
-                "movsd    "MANGLE(ff_pd_1)", %%xmm1 \n\t"
-                "movsd    "MANGLE(ff_pd_1)", %%xmm2 \n\t"
-                "1:                                 \n\t"
-                "movapd   (%2,%0), %%xmm3           \n\t"
-                "movupd -8(%3,%0), %%xmm4           \n\t"
-                "movapd   (%3,%0), %%xmm5           \n\t"
-                "mulpd     %%xmm3, %%xmm4           \n\t"
-                "mulpd     %%xmm3, %%xmm5           \n\t"
-                "mulpd -16(%3,%0), %%xmm3           \n\t"
-                "addpd     %%xmm4, %%xmm1           \n\t"
-                "addpd     %%xmm5, %%xmm0           \n\t"
-                "addpd     %%xmm3, %%xmm2           \n\t"
-                "add       $16,    %0               \n\t"
-                "jl 1b                              \n\t"
-                "movhlps   %%xmm0, %%xmm3           \n\t"
-                "movhlps   %%xmm1, %%xmm4           \n\t"
-                "movhlps   %%xmm2, %%xmm5           \n\t"
-                "addsd     %%xmm3, %%xmm0           \n\t"
-                "addsd     %%xmm4, %%xmm1           \n\t"
-                "addsd     %%xmm5, %%xmm2           \n\t"
-                "movsd     %%xmm0,   (%1)           \n\t"
-                "movsd     %%xmm1,  8(%1)           \n\t"
-                "movsd     %%xmm2, 16(%1)           \n\t"
-                :"+&r"(i)
-                :"r"(autoc+j), "r"(data+len), "r"(data+len-j)
-                :"memory"
-            );
-        } else {
-            __asm__ volatile(
-                "movsd    "MANGLE(ff_pd_1)", %%xmm0 \n\t"
-                "movsd    "MANGLE(ff_pd_1)", %%xmm1 \n\t"
-                "1:                                 \n\t"
-                "movapd   (%3,%0), %%xmm3           \n\t"
-                "movupd -8(%4,%0), %%xmm4           \n\t"
-                "mulpd     %%xmm3, %%xmm4           \n\t"
-                "mulpd    (%4,%0), %%xmm3           \n\t"
-                "addpd     %%xmm4, %%xmm1           \n\t"
-                "addpd     %%xmm3, %%xmm0           \n\t"
-                "add       $16,    %0               \n\t"
-                "jl 1b                              \n\t"
-                "movhlps   %%xmm0, %%xmm3           \n\t"
-                "movhlps   %%xmm1, %%xmm4           \n\t"
-                "addsd     %%xmm3, %%xmm0           \n\t"
-                "addsd     %%xmm4, %%xmm1           \n\t"
-                "movsd     %%xmm0, %1               \n\t"
-                "movsd     %%xmm1, %2               \n\t"
-                :"+&r"(i), "=m"(autoc[j]), "=m"(autoc[j+1])
-                :"r"(data+len), "r"(data+len-j)
-            );
-        }
-    }
-}
-
-#endif /* HAVE_SSE2_INLINE */
-
-av_cold void ff_lpc_init_x86(LPCContext *c)
-{
-#if HAVE_SSE2_INLINE
-    int mm_flags = av_get_cpu_flags();
-
-    if (mm_flags & (AV_CPU_FLAG_SSE2|AV_CPU_FLAG_SSE2SLOW)) {
-        c->lpc_apply_welch_window = lpc_apply_welch_window_sse2;
-        c->lpc_compute_autocorr   = lpc_compute_autocorr_sse2;
-    }
-#endif /* HAVE_SSE2_INLINE */
-}