adding ffmpeg specific version

1 files changed, 143 insertions, 0 deletions

diff --git a/ffmpeg1/libavcodec/arm/aac.h b/ffmpeg1/libavcodec/arm/aac.h
new file mode 100644
index 0000000..cafa881
--- /dev/null
+++ b/ffmpeg1/libavcodec/arm/aac.h
@@ -0,0 +1,143 @@
+/*
+ * 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
+ */
+
+#ifndef AVCODEC_ARM_AAC_H
+#define AVCODEC_ARM_AAC_H
+
+#include "config.h"
+
+#if HAVE_NEON_INLINE
+
+#define VMUL2 VMUL2
+static inline float *VMUL2(float *dst, const float *v, unsigned idx,
+                           const float *scale)
+{
+    unsigned v0, v1;
+    __asm__ ("ubfx     %0,  %6,  #0, #4      \n\t"
+             "ubfx     %1,  %6,  #4, #4      \n\t"
+             "ldr      %0,  [%5, %0, lsl #2] \n\t"
+             "ldr      %1,  [%5, %1, lsl #2] \n\t"
+             "vld1.32  {d1[]},   [%7,:32]    \n\t"
+             "vmov     d0,  %0,  %1          \n\t"
+             "vmul.f32 d0,  d0,  d1          \n\t"
+             "vst1.32  {d0},     [%2,:64]!   \n\t"
+             : "=&r"(v0), "=&r"(v1), "+r"(dst), "=m"(dst[0]), "=m"(dst[1])
+             : "r"(v), "r"(idx), "r"(scale)
+             : "d0", "d1");
+    return dst;
+}
+
+#define VMUL4 VMUL4
+static inline float *VMUL4(float *dst, const float *v, unsigned idx,
+                           const float *scale)
+{
+    unsigned v0, v1, v2, v3;
+    __asm__ ("ubfx     %0,  %10, #0, #2      \n\t"
+             "ubfx     %1,  %10, #2, #2      \n\t"
+             "ldr      %0,  [%9, %0, lsl #2] \n\t"
+             "ubfx     %2,  %10, #4, #2      \n\t"
+             "ldr      %1,  [%9, %1, lsl #2] \n\t"
+             "ubfx     %3,  %10, #6, #2      \n\t"
+             "ldr      %2,  [%9, %2, lsl #2] \n\t"
+             "vmov     d0,  %0,  %1          \n\t"
+             "ldr      %3,  [%9, %3, lsl #2] \n\t"
+             "vld1.32  {d2[],d3[]},[%11,:32] \n\t"
+             "vmov     d1,  %2,  %3          \n\t"
+             "vmul.f32 q0,  q0,  q1          \n\t"
+             "vst1.32  {q0},     [%4,:128]!  \n\t"
+             : "=&r"(v0), "=&r"(v1), "=&r"(v2), "=&r"(v3), "+r"(dst),
+               "=m"(dst[0]), "=m"(dst[1]), "=m"(dst[2]), "=m"(dst[3])
+             : "r"(v), "r"(idx), "r"(scale)
+             : "d0", "d1", "d2", "d3");
+    return dst;
+}
+
+#define VMUL2S VMUL2S
+static inline float *VMUL2S(float *dst, const float *v, unsigned idx,
+                            unsigned sign, const float *scale)
+{
+    unsigned v0, v1, v2, v3;
+    __asm__ ("ubfx     %0,  %8,  #0, #4      \n\t"
+             "ubfx     %1,  %8,  #4, #4      \n\t"
+             "ldr      %0,  [%7, %0, lsl #2] \n\t"
+             "lsl      %2,  %10, #30         \n\t"
+             "ldr      %1,  [%7, %1, lsl #2] \n\t"
+             "lsl      %3,  %10, #31         \n\t"
+             "vmov     d0,  %0,  %1          \n\t"
+             "bic      %2,  %2,  #1<<30      \n\t"
+             "vld1.32  {d1[]},   [%9,:32]    \n\t"
+             "vmov     d2,  %2,  %3          \n\t"
+             "veor     d0,  d0,  d2          \n\t"
+             "vmul.f32 d0,  d0,  d1          \n\t"
+             "vst1.32  {d0},     [%4,:64]!   \n\t"
+             : "=&r"(v0), "=&r"(v1), "=&r"(v2), "=&r"(v3), "+r"(dst),
+               "=m"(dst[0]), "=m"(dst[1])
+             : "r"(v), "r"(idx), "r"(scale), "r"(sign)
+             : "d0", "d1", "d2");
+    return dst;
+}
+
+#define VMUL4S VMUL4S
+static inline float *VMUL4S(float *dst, const float *v, unsigned idx,
+                            unsigned sign, const float *scale)
+{
+    unsigned v0, v1, v2, v3, nz;
+    __asm__ ("vld1.32  {d2[],d3[]},[%13,:32] \n\t"
+             "ubfx     %0,  %12, #0, #2      \n\t"
+             "ubfx     %1,  %12, #2, #2      \n\t"
+             "ldr      %0,  [%11,%0, lsl #2] \n\t"
+             "ubfx     %2,  %12, #4, #2      \n\t"
+             "ldr      %1,  [%11,%1, lsl #2] \n\t"
+             "ubfx     %3,  %12, #6, #2      \n\t"
+             "ldr      %2,  [%11,%2, lsl #2] \n\t"
+             "vmov     d0,  %0,  %1          \n\t"
+             "ldr      %3,  [%11,%3, lsl #2] \n\t"
+             "lsr      %6,  %12, #12         \n\t"
+             "rbit     %6,  %6               \n\t"
+             "vmov     d1,  %2,  %3          \n\t"
+             "lsls     %6,  %6,  #1          \n\t"
+             "and      %0,  %5,  #1<<31      \n\t"
+             "it       cs                    \n\t"
+             "lslcs    %5,  %5,  #1          \n\t"
+             "lsls     %6,  %6,  #1          \n\t"
+             "and      %1,  %5,  #1<<31      \n\t"
+             "it       cs                    \n\t"
+             "lslcs    %5,  %5,  #1          \n\t"
+             "lsls     %6,  %6,  #1          \n\t"
+             "and      %2,  %5,  #1<<31      \n\t"
+             "it       cs                    \n\t"
+             "lslcs    %5,  %5,  #1          \n\t"
+             "vmov     d4,  %0,  %1          \n\t"
+             "and      %3,  %5,  #1<<31      \n\t"
+             "vmov     d5,  %2,  %3          \n\t"
+             "veor     q0,  q0,  q2          \n\t"
+             "vmul.f32 q0,  q0,  q1          \n\t"
+             "vst1.32  {q0},     [%4,:128]!  \n\t"
+             : "=&r"(v0), "=&r"(v1), "=&r"(v2), "=&r"(v3), "+r"(dst),
+               "+r"(sign), "=r"(nz),
+               "=m"(dst[0]), "=m"(dst[1]), "=m"(dst[2]), "=m"(dst[3])
+             : "r"(v), "r"(idx), "r"(scale)
+             : "cc", "d0", "d1", "d2", "d3", "d4", "d5");
+    return dst;
+}
+
+#endif /* HAVE_NEON_INLINE */
+
+#endif /* AVCODEC_ARM_AAC_H */