shithub: libvpx

Download patch

ref: e022ce84acf7604e151ab7ef07203e1aa9d6ea61
parent: d48be6ad734890e0093d25df61b2943d1f402c0d
author: Johann <johannkoenig@google.com>
date: Fri Aug 11 06:44:36 EDT 2017

Rename vp8 quantize file

BUG=webm:1457

Change-Id: Ie8fae018ad8417724fde087055b90228850d631d

--- a/vp8/encoder/x86/quantize_ssse3.c
+++ /dev/null
@@ -1,114 +1,0 @@
-/*
- *  Copyright (c) 2012 The WebM project authors. All Rights Reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
- */
-
-#include <tmmintrin.h> /* SSSE3 */
-
-#include "./vp8_rtcd.h"
-#include "vp8/encoder/block.h"
-
-/* bitscan reverse (bsr) */
-#if defined(_MSC_VER)
-#include <intrin.h>
-#pragma intrinsic(_BitScanReverse)
-static int bsr(int mask) {
-  unsigned long eob;
-  _BitScanReverse(&eob, mask);
-  eob++;
-  if (mask == 0) eob = 0;
-  return eob;
-}
-#else
-static int bsr(int mask) {
-  int eob;
-#if defined(__GNUC__) && __GNUC__
-  __asm__ __volatile__("bsr %1, %0" : "=r"(eob) : "r"(mask) : "flags");
-#elif defined(__SUNPRO_C) || defined(__SUNPRO_CC)
-  asm volatile("bsr %1, %0" : "=r"(eob) : "r"(mask) : "flags");
-#endif
-  eob++;
-  if (mask == 0) eob = 0;
-  return eob;
-}
-#endif
-
-void vp8_fast_quantize_b_ssse3(BLOCK *b, BLOCKD *d) {
-  int eob, mask;
-
-  __m128i z0 = _mm_load_si128((__m128i *)(b->coeff));
-  __m128i z1 = _mm_load_si128((__m128i *)(b->coeff + 8));
-  __m128i round0 = _mm_load_si128((__m128i *)(b->round));
-  __m128i round1 = _mm_load_si128((__m128i *)(b->round + 8));
-  __m128i quant_fast0 = _mm_load_si128((__m128i *)(b->quant_fast));
-  __m128i quant_fast1 = _mm_load_si128((__m128i *)(b->quant_fast + 8));
-  __m128i dequant0 = _mm_load_si128((__m128i *)(d->dequant));
-  __m128i dequant1 = _mm_load_si128((__m128i *)(d->dequant + 8));
-
-  __m128i sz0, sz1, x, x0, x1, y0, y1, zeros, abs0, abs1;
-
-  DECLARE_ALIGNED(16, const uint8_t, pshufb_zig_zag_mask[16]) = {
-    0, 1, 4, 8, 5, 2, 3, 6, 9, 12, 13, 10, 7, 11, 14, 15
-  };
-  __m128i zig_zag = _mm_load_si128((const __m128i *)pshufb_zig_zag_mask);
-
-  /* sign of z: z >> 15 */
-  sz0 = _mm_srai_epi16(z0, 15);
-  sz1 = _mm_srai_epi16(z1, 15);
-
-  /* x = abs(z) */
-  x0 = _mm_abs_epi16(z0);
-  x1 = _mm_abs_epi16(z1);
-
-  /* x += round */
-  x0 = _mm_add_epi16(x0, round0);
-  x1 = _mm_add_epi16(x1, round1);
-
-  /* y = (x * quant) >> 16 */
-  y0 = _mm_mulhi_epi16(x0, quant_fast0);
-  y1 = _mm_mulhi_epi16(x1, quant_fast1);
-
-  /* ASM saves Y for EOB */
-  /* I think we can ignore that because adding the sign doesn't change anything
-   * and multiplying 0 by dequant is OK as well */
-  abs0 = y0;
-  abs1 = y1;
-
-  /* Restore the sign bit. */
-  y0 = _mm_xor_si128(y0, sz0);
-  y1 = _mm_xor_si128(y1, sz1);
-  x0 = _mm_sub_epi16(y0, sz0);
-  x1 = _mm_sub_epi16(y1, sz1);
-
-  /* qcoeff = x */
-  _mm_store_si128((__m128i *)(d->qcoeff), x0);
-  _mm_store_si128((__m128i *)(d->qcoeff + 8), x1);
-
-  /* x * dequant */
-  x0 = _mm_mullo_epi16(x0, dequant0);
-  x1 = _mm_mullo_epi16(x1, dequant1);
-
-  /* dqcoeff = x * dequant */
-  _mm_store_si128((__m128i *)(d->dqcoeff), x0);
-  _mm_store_si128((__m128i *)(d->dqcoeff + 8), x1);
-
-  zeros = _mm_setzero_si128();
-
-  x0 = _mm_cmpgt_epi16(abs0, zeros);
-  x1 = _mm_cmpgt_epi16(abs1, zeros);
-
-  x = _mm_packs_epi16(x0, x1);
-
-  x = _mm_shuffle_epi8(x, zig_zag);
-
-  mask = _mm_movemask_epi8(x);
-
-  eob = bsr(mask);
-
-  *d->eob = 0xFF & eob;
-}
--- /dev/null
+++ b/vp8/encoder/x86/vp8_quantize_ssse3.c
@@ -1,0 +1,114 @@
+/*
+ *  Copyright (c) 2012 The WebM project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include <tmmintrin.h> /* SSSE3 */
+
+#include "./vp8_rtcd.h"
+#include "vp8/encoder/block.h"
+
+/* bitscan reverse (bsr) */
+#if defined(_MSC_VER)
+#include <intrin.h>
+#pragma intrinsic(_BitScanReverse)
+static int bsr(int mask) {
+  unsigned long eob;
+  _BitScanReverse(&eob, mask);
+  eob++;
+  if (mask == 0) eob = 0;
+  return eob;
+}
+#else
+static int bsr(int mask) {
+  int eob;
+#if defined(__GNUC__) && __GNUC__
+  __asm__ __volatile__("bsr %1, %0" : "=r"(eob) : "r"(mask) : "flags");
+#elif defined(__SUNPRO_C) || defined(__SUNPRO_CC)
+  asm volatile("bsr %1, %0" : "=r"(eob) : "r"(mask) : "flags");
+#endif
+  eob++;
+  if (mask == 0) eob = 0;
+  return eob;
+}
+#endif
+
+void vp8_fast_quantize_b_ssse3(BLOCK *b, BLOCKD *d) {
+  int eob, mask;
+
+  __m128i z0 = _mm_load_si128((__m128i *)(b->coeff));
+  __m128i z1 = _mm_load_si128((__m128i *)(b->coeff + 8));
+  __m128i round0 = _mm_load_si128((__m128i *)(b->round));
+  __m128i round1 = _mm_load_si128((__m128i *)(b->round + 8));
+  __m128i quant_fast0 = _mm_load_si128((__m128i *)(b->quant_fast));
+  __m128i quant_fast1 = _mm_load_si128((__m128i *)(b->quant_fast + 8));
+  __m128i dequant0 = _mm_load_si128((__m128i *)(d->dequant));
+  __m128i dequant1 = _mm_load_si128((__m128i *)(d->dequant + 8));
+
+  __m128i sz0, sz1, x, x0, x1, y0, y1, zeros, abs0, abs1;
+
+  DECLARE_ALIGNED(16, const uint8_t, pshufb_zig_zag_mask[16]) = {
+    0, 1, 4, 8, 5, 2, 3, 6, 9, 12, 13, 10, 7, 11, 14, 15
+  };
+  __m128i zig_zag = _mm_load_si128((const __m128i *)pshufb_zig_zag_mask);
+
+  /* sign of z: z >> 15 */
+  sz0 = _mm_srai_epi16(z0, 15);
+  sz1 = _mm_srai_epi16(z1, 15);
+
+  /* x = abs(z) */
+  x0 = _mm_abs_epi16(z0);
+  x1 = _mm_abs_epi16(z1);
+
+  /* x += round */
+  x0 = _mm_add_epi16(x0, round0);
+  x1 = _mm_add_epi16(x1, round1);
+
+  /* y = (x * quant) >> 16 */
+  y0 = _mm_mulhi_epi16(x0, quant_fast0);
+  y1 = _mm_mulhi_epi16(x1, quant_fast1);
+
+  /* ASM saves Y for EOB */
+  /* I think we can ignore that because adding the sign doesn't change anything
+   * and multiplying 0 by dequant is OK as well */
+  abs0 = y0;
+  abs1 = y1;
+
+  /* Restore the sign bit. */
+  y0 = _mm_xor_si128(y0, sz0);
+  y1 = _mm_xor_si128(y1, sz1);
+  x0 = _mm_sub_epi16(y0, sz0);
+  x1 = _mm_sub_epi16(y1, sz1);
+
+  /* qcoeff = x */
+  _mm_store_si128((__m128i *)(d->qcoeff), x0);
+  _mm_store_si128((__m128i *)(d->qcoeff + 8), x1);
+
+  /* x * dequant */
+  x0 = _mm_mullo_epi16(x0, dequant0);
+  x1 = _mm_mullo_epi16(x1, dequant1);
+
+  /* dqcoeff = x * dequant */
+  _mm_store_si128((__m128i *)(d->dqcoeff), x0);
+  _mm_store_si128((__m128i *)(d->dqcoeff + 8), x1);
+
+  zeros = _mm_setzero_si128();
+
+  x0 = _mm_cmpgt_epi16(abs0, zeros);
+  x1 = _mm_cmpgt_epi16(abs1, zeros);
+
+  x = _mm_packs_epi16(x0, x1);
+
+  x = _mm_shuffle_epi8(x, zig_zag);
+
+  mask = _mm_movemask_epi8(x);
+
+  eob = bsr(mask);
+
+  *d->eob = 0xFF & eob;
+}
--- a/vp8/vp8cx.mk
+++ b/vp8/vp8cx.mk
@@ -85,7 +85,7 @@
 VP8_CX_SRCS-$(HAVE_SSE2) += encoder/x86/dct_sse2.asm
 VP8_CX_SRCS-$(HAVE_SSE2) += encoder/x86/fwalsh_sse2.asm
 VP8_CX_SRCS-$(HAVE_SSE2) += encoder/x86/vp8_quantize_sse2.c
-VP8_CX_SRCS-$(HAVE_SSSE3) += encoder/x86/quantize_ssse3.c
+VP8_CX_SRCS-$(HAVE_SSSE3) += encoder/x86/vp8_quantize_ssse3.c
 VP8_CX_SRCS-$(HAVE_SSE4_1) += encoder/x86/quantize_sse4.c
 
 ifeq ($(CONFIG_TEMPORAL_DENOISING),yes)