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-rw-r--r--media/libvpx/libvpx/vp9/encoder/x86/vp9_frame_scale_ssse3.c907
1 files changed, 907 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/vp9/encoder/x86/vp9_frame_scale_ssse3.c b/media/libvpx/libvpx/vp9/encoder/x86/vp9_frame_scale_ssse3.c
new file mode 100644
index 0000000000..94506aad0f
--- /dev/null
+++ b/media/libvpx/libvpx/vp9/encoder/x86/vp9_frame_scale_ssse3.c
@@ -0,0 +1,907 @@
+/*
+ * Copyright (c) 2016 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 "./vp9_rtcd.h"
+#include "./vpx_dsp_rtcd.h"
+#include "./vpx_scale_rtcd.h"
+#include "vpx_dsp/x86/convolve_ssse3.h"
+#include "vpx_dsp/x86/mem_sse2.h"
+#include "vpx_dsp/x86/transpose_sse2.h"
+#include "vpx_scale/yv12config.h"
+
+static INLINE __m128i scale_plane_2_to_1_phase_0_kernel(
+ const uint8_t *const src, const __m128i *const mask) {
+ const __m128i a = _mm_loadu_si128((const __m128i *)(&src[0]));
+ const __m128i b = _mm_loadu_si128((const __m128i *)(&src[16]));
+ const __m128i a_and = _mm_and_si128(a, *mask);
+ const __m128i b_and = _mm_and_si128(b, *mask);
+ return _mm_packus_epi16(a_and, b_and);
+}
+
+static void scale_plane_2_to_1_phase_0(const uint8_t *src,
+ const ptrdiff_t src_stride, uint8_t *dst,
+ const ptrdiff_t dst_stride,
+ const int dst_w, const int dst_h) {
+ const int max_width = (dst_w + 15) & ~15;
+ const __m128i mask = _mm_set1_epi16(0x00FF);
+ int y = dst_h;
+
+ do {
+ int x = max_width;
+ do {
+ const __m128i d = scale_plane_2_to_1_phase_0_kernel(src, &mask);
+ _mm_storeu_si128((__m128i *)dst, d);
+ src += 32;
+ dst += 16;
+ x -= 16;
+ } while (x);
+ src += 2 * (src_stride - max_width);
+ dst += dst_stride - max_width;
+ } while (--y);
+}
+
+static void scale_plane_4_to_1_phase_0(const uint8_t *src,
+ const ptrdiff_t src_stride, uint8_t *dst,
+ const ptrdiff_t dst_stride,
+ const int dst_w, const int dst_h) {
+ const int max_width = (dst_w + 15) & ~15;
+ const __m128i mask = _mm_set1_epi32(0x000000FF);
+ int y = dst_h;
+
+ do {
+ int x = max_width;
+ do {
+ const __m128i d0 = scale_plane_2_to_1_phase_0_kernel(&src[0], &mask);
+ const __m128i d1 = scale_plane_2_to_1_phase_0_kernel(&src[32], &mask);
+ const __m128i d2 = _mm_packus_epi16(d0, d1);
+ _mm_storeu_si128((__m128i *)dst, d2);
+ src += 64;
+ dst += 16;
+ x -= 16;
+ } while (x);
+ src += 4 * (src_stride - max_width);
+ dst += dst_stride - max_width;
+ } while (--y);
+}
+
+static INLINE __m128i scale_plane_bilinear_kernel(const __m128i *const s,
+ const __m128i c0c1) {
+ const __m128i k_64 = _mm_set1_epi16(1 << 6);
+ const __m128i t0 = _mm_maddubs_epi16(s[0], c0c1);
+ const __m128i t1 = _mm_maddubs_epi16(s[1], c0c1);
+ // round and shift by 7 bit each 16 bit
+ const __m128i t2 = _mm_adds_epi16(t0, k_64);
+ const __m128i t3 = _mm_adds_epi16(t1, k_64);
+ const __m128i t4 = _mm_srai_epi16(t2, 7);
+ const __m128i t5 = _mm_srai_epi16(t3, 7);
+ return _mm_packus_epi16(t4, t5);
+}
+
+static void scale_plane_2_to_1_bilinear(const uint8_t *src,
+ const ptrdiff_t src_stride,
+ uint8_t *dst,
+ const ptrdiff_t dst_stride,
+ const int dst_w, const int dst_h,
+ const __m128i c0c1) {
+ const int max_width = (dst_w + 15) & ~15;
+ int y = dst_h;
+
+ do {
+ int x = max_width;
+ do {
+ __m128i s[2], d[2];
+
+ // Horizontal
+ // Even rows
+ s[0] = _mm_loadu_si128((const __m128i *)(src + 0));
+ s[1] = _mm_loadu_si128((const __m128i *)(src + 16));
+ d[0] = scale_plane_bilinear_kernel(s, c0c1);
+
+ // odd rows
+ s[0] = _mm_loadu_si128((const __m128i *)(src + src_stride + 0));
+ s[1] = _mm_loadu_si128((const __m128i *)(src + src_stride + 16));
+ d[1] = scale_plane_bilinear_kernel(s, c0c1);
+
+ // Vertical
+ s[0] = _mm_unpacklo_epi8(d[0], d[1]);
+ s[1] = _mm_unpackhi_epi8(d[0], d[1]);
+ d[0] = scale_plane_bilinear_kernel(s, c0c1);
+
+ _mm_storeu_si128((__m128i *)dst, d[0]);
+ src += 32;
+ dst += 16;
+ x -= 16;
+ } while (x);
+ src += 2 * (src_stride - max_width);
+ dst += dst_stride - max_width;
+ } while (--y);
+}
+
+static void scale_plane_4_to_1_bilinear(const uint8_t *src,
+ const ptrdiff_t src_stride,
+ uint8_t *dst,
+ const ptrdiff_t dst_stride,
+ const int dst_w, const int dst_h,
+ const __m128i c0c1) {
+ const int max_width = (dst_w + 15) & ~15;
+ int y = dst_h;
+
+ do {
+ int x = max_width;
+ do {
+ __m128i s[8], d[8];
+
+ // Note: Using _mm_packus_epi32() in SSE4.1 could be faster.
+ // Here we tried to not use shuffle instructions which would be slow
+ // on some x86 CPUs.
+
+ // Horizontal
+ // 000 001 xx xx 004 005 xx xx 008 009 xx xx 00C 00D xx xx
+ // 010 011 xx xx 014 015 xx xx 018 019 xx xx 01C 01D xx xx
+ // 020 021 xx xx 024 025 xx xx 028 029 xx xx 02C 02D xx xx
+ // 030 031 xx xx 034 035 xx xx 038 039 xx xx 03C 03D xx xx
+ // 100 101 xx xx 104 105 xx xx 108 109 xx xx 10C 10D xx xx
+ // 110 111 xx xx 114 115 xx xx 118 119 xx xx 11C 11D xx xx
+ // 120 121 xx xx 124 125 xx xx 128 129 xx xx 12C 12D xx xx
+ // 130 131 xx xx 134 135 xx xx 138 139 xx xx 13C 13D xx xx
+ s[0] = _mm_loadu_si128((const __m128i *)(&src[0]));
+ s[1] = _mm_loadu_si128((const __m128i *)(&src[16]));
+ s[2] = _mm_loadu_si128((const __m128i *)(&src[32]));
+ s[3] = _mm_loadu_si128((const __m128i *)(&src[48]));
+ s[4] = _mm_loadu_si128((const __m128i *)(src + src_stride + 0));
+ s[5] = _mm_loadu_si128((const __m128i *)(src + src_stride + 16));
+ s[6] = _mm_loadu_si128((const __m128i *)(src + src_stride + 32));
+ s[7] = _mm_loadu_si128((const __m128i *)(src + src_stride + 48));
+
+ // 000 001 100 101 xx xx xx xx 004 005 104 105 xx xx xx xx
+ // 008 009 108 109 xx xx xx xx 00C 00D 10C 10D xx xx xx xx
+ // 010 011 110 111 xx xx xx xx 014 015 114 115 xx xx xx xx
+ // 018 019 118 119 xx xx xx xx 01C 01D 11C 11D xx xx xx xx
+ // 020 021 120 121 xx xx xx xx 024 025 124 125 xx xx xx xx
+ // 028 029 128 129 xx xx xx xx 02C 02D 12C 12D xx xx xx xx
+ // 030 031 130 131 xx xx xx xx 034 035 134 135 xx xx xx xx
+ // 038 039 138 139 xx xx xx xx 03C 03D 13C 13D xx xx xx xx
+ d[0] = _mm_unpacklo_epi16(s[0], s[4]);
+ d[1] = _mm_unpackhi_epi16(s[0], s[4]);
+ d[2] = _mm_unpacklo_epi16(s[1], s[5]);
+ d[3] = _mm_unpackhi_epi16(s[1], s[5]);
+ d[4] = _mm_unpacklo_epi16(s[2], s[6]);
+ d[5] = _mm_unpackhi_epi16(s[2], s[6]);
+ d[6] = _mm_unpacklo_epi16(s[3], s[7]);
+ d[7] = _mm_unpackhi_epi16(s[3], s[7]);
+
+ // 000 001 100 101 008 009 108 109 xx xx xx xx xx xx xx xx
+ // 004 005 104 105 00C 00D 10C 10D xx xx xx xx xx xx xx xx
+ // 010 011 110 111 018 019 118 119 xx xx xx xx xx xx xx xx
+ // 014 015 114 115 01C 01D 11C 11D xx xx xx xx xx xx xx xx
+ // 020 021 120 121 028 029 128 129 xx xx xx xx xx xx xx xx
+ // 024 025 124 125 02C 02D 12C 12D xx xx xx xx xx xx xx xx
+ // 030 031 130 131 038 039 138 139 xx xx xx xx xx xx xx xx
+ // 034 035 134 135 03C 03D 13C 13D xx xx xx xx xx xx xx xx
+ s[0] = _mm_unpacklo_epi32(d[0], d[1]);
+ s[1] = _mm_unpackhi_epi32(d[0], d[1]);
+ s[2] = _mm_unpacklo_epi32(d[2], d[3]);
+ s[3] = _mm_unpackhi_epi32(d[2], d[3]);
+ s[4] = _mm_unpacklo_epi32(d[4], d[5]);
+ s[5] = _mm_unpackhi_epi32(d[4], d[5]);
+ s[6] = _mm_unpacklo_epi32(d[6], d[7]);
+ s[7] = _mm_unpackhi_epi32(d[6], d[7]);
+
+ // 000 001 100 101 004 005 104 105 008 009 108 109 00C 00D 10C 10D
+ // 010 011 110 111 014 015 114 115 018 019 118 119 01C 01D 11C 11D
+ // 020 021 120 121 024 025 124 125 028 029 128 129 02C 02D 12C 12D
+ // 030 031 130 131 034 035 134 135 038 039 138 139 03C 03D 13C 13D
+ d[0] = _mm_unpacklo_epi32(s[0], s[1]);
+ d[1] = _mm_unpacklo_epi32(s[2], s[3]);
+ d[2] = _mm_unpacklo_epi32(s[4], s[5]);
+ d[3] = _mm_unpacklo_epi32(s[6], s[7]);
+
+ d[0] = scale_plane_bilinear_kernel(&d[0], c0c1);
+ d[1] = scale_plane_bilinear_kernel(&d[2], c0c1);
+
+ // Vertical
+ d[0] = scale_plane_bilinear_kernel(d, c0c1);
+
+ _mm_storeu_si128((__m128i *)dst, d[0]);
+ src += 64;
+ dst += 16;
+ x -= 16;
+ } while (x);
+ src += 4 * (src_stride - max_width);
+ dst += dst_stride - max_width;
+ } while (--y);
+}
+
+static void scale_plane_2_to_1_general(const uint8_t *src, const int src_stride,
+ uint8_t *dst, const int dst_stride,
+ const int w, const int h,
+ const int16_t *const coef,
+ uint8_t *const temp_buffer) {
+ const int width_hor = (w + 3) & ~3;
+ const int width_ver = (w + 7) & ~7;
+ const int height_hor = (2 * h + SUBPEL_TAPS - 2 + 7) & ~7;
+ const int height_ver = (h + 3) & ~3;
+ int x, y = height_hor;
+ uint8_t *t = temp_buffer;
+ __m128i s[11], d[4];
+ __m128i f[4];
+
+ assert(w && h);
+
+ shuffle_filter_ssse3(coef, f);
+ src -= (SUBPEL_TAPS / 2 - 1) * src_stride + SUBPEL_TAPS / 2 + 1;
+
+ // horizontal 4x8
+ do {
+ load_8bit_8x8(src + 2, src_stride, s);
+ // 00 01 10 11 20 21 30 31 40 41 50 51 60 61 70 71
+ // 02 03 12 13 22 23 32 33 42 43 52 53 62 63 72 73
+ // 04 05 14 15 24 25 34 35 44 45 54 55 64 65 74 75
+ // 06 07 16 17 26 27 36 37 46 47 56 57 66 67 76 77 (overlapped)
+ transpose_16bit_4x8(s, s);
+ x = width_hor;
+
+ do {
+ src += 8;
+ load_8bit_8x8(src, src_stride, &s[3]);
+ // 06 07 16 17 26 27 36 37 46 47 56 57 66 67 76 77
+ // 08 09 18 19 28 29 38 39 48 49 58 59 68 69 78 79
+ // 0A 0B 1A 1B 2A 2B 3A 3B 4A 4B 5A 5B 6A 6B 7A 7B
+ // 0C 0D 1C 1D 2C 2D 3C 3D 4C 4D 5C 5D 6C 6D 7C 7D
+ transpose_16bit_4x8(&s[3], &s[3]);
+
+ d[0] = convolve8_8_ssse3(&s[0], f); // 00 10 20 30 40 50 60 70
+ d[1] = convolve8_8_ssse3(&s[1], f); // 01 11 21 31 41 51 61 71
+ d[2] = convolve8_8_ssse3(&s[2], f); // 02 12 22 32 42 52 62 72
+ d[3] = convolve8_8_ssse3(&s[3], f); // 03 13 23 33 43 53 63 73
+
+ // 00 10 20 30 40 50 60 70 02 12 22 32 42 52 62 72
+ // 01 11 21 31 41 51 61 71 03 13 23 33 43 53 63 73
+ d[0] = _mm_packus_epi16(d[0], d[2]);
+ d[1] = _mm_packus_epi16(d[1], d[3]);
+ // 00 10 01 11 20 30 21 31 40 50 41 51 60 70 61 71
+ // 02 12 03 13 22 32 23 33 42 52 43 53 62 72 63 73
+ d[2] = _mm_unpacklo_epi16(d[0], d[1]);
+ d[3] = _mm_unpackhi_epi16(d[0], d[1]);
+ // 00 10 01 11 02 12 03 13 20 30 21 31 22 32 23 33
+ // 40 50 41 51 42 52 43 53 60 70 61 71 62 72 63 73
+ d[0] = _mm_unpacklo_epi32(d[2], d[3]);
+ d[1] = _mm_unpackhi_epi32(d[2], d[3]);
+ store_8bit_8x4_from_16x2(d, t, 2 * width_hor);
+
+ s[0] = s[4];
+ s[1] = s[5];
+ s[2] = s[6];
+
+ t += 8;
+ x -= 4;
+ } while (x);
+ src += 8 * src_stride - 2 * width_hor;
+ t += 6 * width_hor;
+ y -= 8;
+ } while (y);
+
+ // vertical 8x4
+ x = width_ver;
+ t = temp_buffer;
+ do {
+ // 00 10 01 11 02 12 03 13 04 14 05 15 06 16 07 17
+ // 20 30 21 31 22 32 23 33 24 34 25 35 26 36 27 37
+ // 40 50 41 51 42 52 43 53 44 54 45 55 46 56 47 57
+ s[0] = _mm_loadu_si128((const __m128i *)(t + 0 * width_hor));
+ s[1] = _mm_loadu_si128((const __m128i *)(t + 2 * width_hor));
+ s[2] = _mm_loadu_si128((const __m128i *)(t + 4 * width_hor));
+ t += 6 * width_hor;
+ y = height_ver;
+
+ do {
+ // 60 70 61 71 62 72 63 73 64 74 65 75 66 76 67 77
+ // 80 90 81 91 82 92 83 93 84 94 85 95 86 96 87 77
+ // A0 B0 A1 B1 A2 B2 A3 B3 A4 B4 A5 B5 A6 B6 A7 77
+ // C0 D0 C1 D1 C2 D2 C3 D3 C4 D4 C5 D5 C6 D6 C7 77
+ loadu_8bit_16x4(t, 2 * width_hor, &s[3]);
+ t += 8 * width_hor;
+
+ d[0] = convolve8_8_ssse3(&s[0], f); // 00 01 02 03 04 05 06 07
+ d[1] = convolve8_8_ssse3(&s[1], f); // 10 11 12 13 14 15 16 17
+ d[2] = convolve8_8_ssse3(&s[2], f); // 20 21 22 23 24 25 26 27
+ d[3] = convolve8_8_ssse3(&s[3], f); // 30 31 32 33 34 35 36 37
+
+ // 00 01 02 03 04 05 06 07 10 11 12 13 14 15 16 17
+ // 20 21 22 23 24 25 26 27 30 31 32 33 34 35 36 37
+ d[0] = _mm_packus_epi16(d[0], d[1]);
+ d[1] = _mm_packus_epi16(d[2], d[3]);
+ store_8bit_8x4_from_16x2(d, dst, dst_stride);
+
+ s[0] = s[4];
+ s[1] = s[5];
+ s[2] = s[6];
+
+ dst += 4 * dst_stride;
+ y -= 4;
+ } while (y);
+ t -= width_hor * (2 * height_ver + 6);
+ t += 16;
+ dst -= height_ver * dst_stride;
+ dst += 8;
+ x -= 8;
+ } while (x);
+}
+
+static void scale_plane_4_to_1_general(const uint8_t *src, const int src_stride,
+ uint8_t *dst, const int dst_stride,
+ const int w, const int h,
+ const int16_t *const coef,
+ uint8_t *const temp_buffer) {
+ const int width_hor = (w + 1) & ~1;
+ const int width_ver = (w + 7) & ~7;
+ const int height_hor = (4 * h + SUBPEL_TAPS - 2 + 7) & ~7;
+ const int height_ver = (h + 1) & ~1;
+ int x, y = height_hor;
+ uint8_t *t = temp_buffer;
+ __m128i s[11], d[4];
+ __m128i f[4];
+
+ assert(w && h);
+
+ shuffle_filter_ssse3(coef, f);
+ src -= (SUBPEL_TAPS / 2 - 1) * src_stride + SUBPEL_TAPS / 2 + 3;
+
+ // horizontal 2x8
+ do {
+ load_8bit_8x8(src + 4, src_stride, s);
+ // 00 01 10 11 20 21 30 31 40 41 50 51 60 61 70 71
+ // 02 03 12 13 22 23 32 33 42 43 52 53 62 63 72 73
+ // 04 05 14 15 24 25 34 35 44 45 54 55 64 65 74 75 (overlapped)
+ // 06 07 16 17 26 27 36 37 46 47 56 57 66 67 76 77 (overlapped)
+ transpose_16bit_4x8(s, s);
+ x = width_hor;
+
+ do {
+ src += 8;
+ load_8bit_8x8(src, src_stride, &s[2]);
+ // 04 05 14 15 24 25 34 35 44 45 54 55 64 65 74 75
+ // 06 07 16 17 26 27 36 37 46 47 56 57 66 67 76 77
+ // 08 09 18 19 28 29 38 39 48 49 58 59 68 69 78 79
+ // 0A 0B 1A 1B 2A 2B 3A 3B 4A 4B 5A 5B 6A 6B 7A 7B
+ transpose_16bit_4x8(&s[2], &s[2]);
+
+ d[0] = convolve8_8_ssse3(&s[0], f); // 00 10 20 30 40 50 60 70
+ d[1] = convolve8_8_ssse3(&s[2], f); // 01 11 21 31 41 51 61 71
+
+ // 00 10 20 30 40 50 60 70 xx xx xx xx xx xx xx xx
+ // 01 11 21 31 41 51 61 71 xx xx xx xx xx xx xx xx
+ d[0] = _mm_packus_epi16(d[0], d[0]);
+ d[1] = _mm_packus_epi16(d[1], d[1]);
+ // 00 10 01 11 20 30 21 31 40 50 41 51 60 70 61 71
+ d[0] = _mm_unpacklo_epi16(d[0], d[1]);
+ store_8bit_4x4_sse2(d[0], t, 2 * width_hor);
+
+ s[0] = s[4];
+ s[1] = s[5];
+
+ t += 4;
+ x -= 2;
+ } while (x);
+ src += 8 * src_stride - 4 * width_hor;
+ t += 6 * width_hor;
+ y -= 8;
+ } while (y);
+
+ // vertical 8x2
+ x = width_ver;
+ t = temp_buffer;
+ do {
+ // 00 10 01 11 02 12 03 13 04 14 05 15 06 16 07 17
+ // 20 30 21 31 22 32 23 33 24 34 25 35 26 36 27 37
+ s[0] = _mm_loadu_si128((const __m128i *)(t + 0 * width_hor));
+ s[1] = _mm_loadu_si128((const __m128i *)(t + 2 * width_hor));
+ t += 4 * width_hor;
+ y = height_ver;
+
+ do {
+ // 40 50 41 51 42 52 43 53 44 54 45 55 46 56 47 57
+ // 60 70 61 71 62 72 63 73 64 74 65 75 66 76 67 77
+ // 80 90 81 91 82 92 83 93 84 94 85 95 86 96 87 77
+ // A0 B0 A1 B1 A2 B2 A3 B3 A4 B4 A5 B5 A6 B6 A7 77
+ loadu_8bit_16x4(t, 2 * width_hor, &s[2]);
+ t += 8 * width_hor;
+
+ d[0] = convolve8_8_ssse3(&s[0], f); // 00 01 02 03 04 05 06 07
+ d[1] = convolve8_8_ssse3(&s[2], f); // 10 11 12 13 14 15 16 17
+
+ // 00 01 02 03 04 05 06 07 10 11 12 13 14 15 16 17
+ d[0] = _mm_packus_epi16(d[0], d[1]);
+ _mm_storel_epi64((__m128i *)(dst + 0 * dst_stride), d[0]);
+ _mm_storeh_epi64((__m128i *)(dst + 1 * dst_stride), d[0]);
+
+ s[0] = s[4];
+ s[1] = s[5];
+
+ dst += 2 * dst_stride;
+ y -= 2;
+ } while (y);
+ t -= width_hor * (4 * height_ver + 4);
+ t += 16;
+ dst -= height_ver * dst_stride;
+ dst += 8;
+ x -= 8;
+ } while (x);
+}
+
+typedef void (*shuffle_filter_funcs)(const int16_t *const filter,
+ __m128i *const f);
+
+typedef __m128i (*convolve8_funcs)(const __m128i *const s,
+ const __m128i *const f);
+
+static void scale_plane_4_to_3_general(const uint8_t *src, const int src_stride,
+ uint8_t *dst, const int dst_stride,
+ const int w, const int h,
+ const InterpKernel *const coef,
+ const int phase_scaler,
+ uint8_t *const temp_buffer) {
+ static const int step_q4 = 16 * 4 / 3;
+ const int width_hor = (w + 5) - ((w + 5) % 6);
+ const int stride_hor = 2 * width_hor + 4; // store 4 extra pixels
+ const int width_ver = (w + 7) & ~7;
+ // We need (SUBPEL_TAPS - 1) extra rows: (SUBPEL_TAPS / 2 - 1) extra rows
+ // above and (SUBPEL_TAPS / 2) extra rows below.
+ const int height_hor = (4 * h / 3 + SUBPEL_TAPS - 1 + 7) & ~7;
+ const int height_ver = (h + 5) - ((h + 5) % 6);
+ int x, y = height_hor;
+ uint8_t *t = temp_buffer;
+ __m128i s[12], d[6], dd[4];
+ __m128i f0[4], f1[5], f2[5];
+ // The offset of the first row is always less than 1 pixel.
+ const int offset1_q4 = phase_scaler + 1 * step_q4;
+ const int offset2_q4 = phase_scaler + 2 * step_q4;
+ // offset_idxx indicates the pixel offset is even (0) or odd (1).
+ // It's used to choose the src offset and filter coefficient offset.
+ const int offset_idx1 = (offset1_q4 >> 4) & 1;
+ const int offset_idx2 = (offset2_q4 >> 4) & 1;
+ static const shuffle_filter_funcs kShuffleFilterFuncs[2] = {
+ shuffle_filter_ssse3, shuffle_filter_odd_ssse3
+ };
+ static const convolve8_funcs kConvolve8Funcs[2] = {
+ convolve8_8_even_offset_ssse3, convolve8_8_odd_offset_ssse3
+ };
+
+ assert(w && h);
+
+ shuffle_filter_ssse3(coef[(phase_scaler + 0 * step_q4) & SUBPEL_MASK], f0);
+ kShuffleFilterFuncs[offset_idx1](coef[offset1_q4 & SUBPEL_MASK], f1);
+ kShuffleFilterFuncs[offset_idx2](coef[offset2_q4 & SUBPEL_MASK], f2);
+
+ // Sub 64 to avoid overflow.
+ // Coef 128 would be treated as -128 in PMADDUBSW. Sub 64 here.
+ // Coef 128 is in either fx[1] or fx[2] depending on the phase idx.
+ // When filter phase idx is 1, the two biggest coefficients are shuffled
+ // together, and the sum of them are always no less than 128. Sub 64 here.
+ // After the subtraction, when the sum of all positive coefficients are no
+ // larger than 128, and the sum of all negative coefficients are no
+ // less than -128, there will be no overflow in the convolve8 functions.
+ f0[1] = _mm_sub_epi8(f0[1], _mm_set1_epi8(64));
+ f1[1 + offset_idx1] = _mm_sub_epi8(f1[1 + offset_idx1], _mm_set1_epi8(64));
+ f2[1 + offset_idx2] = _mm_sub_epi8(f2[1 + offset_idx2], _mm_set1_epi8(64));
+
+ src -= (SUBPEL_TAPS / 2 - 1) * src_stride + SUBPEL_TAPS / 2 - 1;
+
+ // horizontal 6x8
+ do {
+ load_8bit_8x8(src, src_stride, s);
+ // 00 01 10 11 20 21 30 31 40 41 50 51 60 61 70 71
+ // 02 03 12 13 22 23 32 33 42 43 52 53 62 63 72 73
+ // 04 05 14 15 24 25 34 35 44 45 54 55 64 65 74 75
+ // 06 07 16 17 26 27 36 37 46 47 56 57 66 67 76 77
+ transpose_16bit_4x8(s, s);
+ x = width_hor;
+
+ do {
+ src += 8;
+ load_8bit_8x8(src, src_stride, &s[4]);
+ // 08 09 18 19 28 29 38 39 48 49 58 59 68 69 78 79
+ // 0A 0B 1A 1B 2A 2B 3A 3B 4A 4B 5A 5B 6A 6B 7A 7B
+ // OC 0D 1C 1D 2C 2D 3C 3D 4C 4D 5C 5D 6C 6D 7C 7D
+ // 0E 0F 1E 1F 2E 2F 3E 3F 4E 4F 5E 5F 6E 6F 7E 7F
+ transpose_16bit_4x8(&s[4], &s[4]);
+
+ // 00 10 20 30 40 50 60 70
+ // 01 11 21 31 41 51 61 71
+ // 02 12 22 32 42 52 62 72
+ // 03 13 23 33 43 53 63 73
+ // 04 14 24 34 44 54 64 74
+ // 05 15 25 35 45 55 65 75
+ d[0] = convolve8_8_even_offset_ssse3(&s[0], f0);
+ d[1] = kConvolve8Funcs[offset_idx1](&s[offset1_q4 >> 5], f1);
+ d[2] = kConvolve8Funcs[offset_idx2](&s[offset2_q4 >> 5], f2);
+ d[3] = convolve8_8_even_offset_ssse3(&s[2], f0);
+ d[4] = kConvolve8Funcs[offset_idx1](&s[2 + (offset1_q4 >> 5)], f1);
+ d[5] = kConvolve8Funcs[offset_idx2](&s[2 + (offset2_q4 >> 5)], f2);
+
+ // 00 10 20 30 40 50 60 70 02 12 22 32 42 52 62 72
+ // 01 11 21 31 41 51 61 71 03 13 23 33 43 53 63 73
+ // 04 14 24 34 44 54 64 74 xx xx xx xx xx xx xx xx
+ // 05 15 25 35 45 55 65 75 xx xx xx xx xx xx xx xx
+ dd[0] = _mm_packus_epi16(d[0], d[2]);
+ dd[1] = _mm_packus_epi16(d[1], d[3]);
+ dd[2] = _mm_packus_epi16(d[4], d[4]);
+ dd[3] = _mm_packus_epi16(d[5], d[5]);
+
+ // 00 10 01 11 20 30 21 31 40 50 41 51 60 70 61 71
+ // 02 12 03 13 22 32 23 33 42 52 43 53 62 72 63 73
+ // 04 14 05 15 24 34 25 35 44 54 45 55 64 74 65 75
+ d[0] = _mm_unpacklo_epi16(dd[0], dd[1]);
+ d[1] = _mm_unpackhi_epi16(dd[0], dd[1]);
+ d[2] = _mm_unpacklo_epi16(dd[2], dd[3]);
+
+ // 00 10 01 11 02 12 03 13 20 30 21 31 22 32 23 33
+ // 40 50 41 51 42 52 43 53 60 70 61 71 62 72 63 73
+ // 04 14 05 15 xx xx xx xx 24 34 25 35 xx xx xx xx
+ // 44 54 45 55 xx xx xx xx 64 74 65 75 xx xx xx xx
+ dd[0] = _mm_unpacklo_epi32(d[0], d[1]);
+ dd[1] = _mm_unpackhi_epi32(d[0], d[1]);
+ dd[2] = _mm_unpacklo_epi32(d[2], d[2]);
+ dd[3] = _mm_unpackhi_epi32(d[2], d[2]);
+
+ // 00 10 01 11 02 12 03 13 04 14 05 15 xx xx xx xx
+ // 20 30 21 31 22 32 23 33 24 34 25 35 xx xx xx xx
+ // 40 50 41 51 42 52 43 53 44 54 45 55 xx xx xx xx
+ // 60 70 61 71 62 72 63 73 64 74 65 75 xx xx xx xx
+ d[0] = _mm_unpacklo_epi64(dd[0], dd[2]);
+ d[1] = _mm_unpackhi_epi64(dd[0], dd[2]);
+ d[2] = _mm_unpacklo_epi64(dd[1], dd[3]);
+ d[3] = _mm_unpackhi_epi64(dd[1], dd[3]);
+
+ // store 4 extra pixels
+ storeu_8bit_16x4(d, t, stride_hor);
+
+ s[0] = s[4];
+ s[1] = s[5];
+ s[2] = s[6];
+ s[3] = s[7];
+
+ t += 12;
+ x -= 6;
+ } while (x);
+ src += 8 * src_stride - 4 * width_hor / 3;
+ t += 3 * stride_hor + 4;
+ y -= 8;
+ } while (y);
+
+ // vertical 8x6
+ x = width_ver;
+ t = temp_buffer;
+ do {
+ // 00 10 01 11 02 12 03 13 04 14 05 15 06 16 07 17
+ // 20 30 21 31 22 32 23 33 24 34 25 35 26 36 27 37
+ // 40 50 41 51 42 52 43 53 44 54 45 55 46 56 47 57
+ // 60 70 61 71 62 72 63 73 64 74 65 75 66 76 67 77
+ loadu_8bit_16x4(t, stride_hor, s);
+ y = height_ver;
+
+ do {
+ // 80 90 81 91 82 92 83 93 84 94 85 95 86 96 87 97
+ // A0 B0 A1 B1 A2 B2 A3 B3 A4 B4 A5 B5 A6 B6 A7 B7
+ // C0 D0 C1 D1 C2 D2 C3 D3 C4 D4 C5 D5 C6 D6 C7 D7
+ // E0 F0 E1 F1 E2 F2 E3 F3 E4 F4 E5 F5 E6 F6 E7 F7
+ t += 4 * stride_hor;
+ loadu_8bit_16x4(t, stride_hor, &s[4]);
+
+ d[0] = convolve8_8_even_offset_ssse3(&s[0], f0);
+ d[1] = kConvolve8Funcs[offset_idx1](&s[offset1_q4 >> 5], f1);
+ d[2] = kConvolve8Funcs[offset_idx2](&s[offset2_q4 >> 5], f2);
+ d[3] = convolve8_8_even_offset_ssse3(&s[2], f0);
+ d[4] = kConvolve8Funcs[offset_idx1](&s[2 + (offset1_q4 >> 5)], f1);
+ d[5] = kConvolve8Funcs[offset_idx2](&s[2 + (offset2_q4 >> 5)], f2);
+
+ // 00 01 02 03 04 05 06 07 10 11 12 13 14 15 16 17
+ // 20 21 22 23 24 25 26 27 30 31 32 33 34 35 36 37
+ // 40 41 42 43 44 45 46 47 50 51 52 53 54 55 56 57
+ d[0] = _mm_packus_epi16(d[0], d[1]);
+ d[2] = _mm_packus_epi16(d[2], d[3]);
+ d[4] = _mm_packus_epi16(d[4], d[5]);
+
+ _mm_storel_epi64((__m128i *)(dst + 0 * dst_stride), d[0]);
+ _mm_storeh_epi64((__m128i *)(dst + 1 * dst_stride), d[0]);
+ _mm_storel_epi64((__m128i *)(dst + 2 * dst_stride), d[2]);
+ _mm_storeh_epi64((__m128i *)(dst + 3 * dst_stride), d[2]);
+ _mm_storel_epi64((__m128i *)(dst + 4 * dst_stride), d[4]);
+ _mm_storeh_epi64((__m128i *)(dst + 5 * dst_stride), d[4]);
+
+ s[0] = s[4];
+ s[1] = s[5];
+ s[2] = s[6];
+ s[3] = s[7];
+
+ dst += 6 * dst_stride;
+ y -= 6;
+ } while (y);
+ t -= stride_hor * 2 * height_ver / 3;
+ t += 16;
+ dst -= height_ver * dst_stride;
+ dst += 8;
+ x -= 8;
+ } while (x);
+}
+
+static INLINE __m128i scale_1_to_2_phase_0_kernel(const __m128i *const s,
+ const __m128i *const f) {
+ __m128i ss[4], temp;
+
+ ss[0] = _mm_unpacklo_epi8(s[0], s[1]);
+ ss[1] = _mm_unpacklo_epi8(s[2], s[3]);
+ ss[2] = _mm_unpacklo_epi8(s[4], s[5]);
+ ss[3] = _mm_unpacklo_epi8(s[6], s[7]);
+ temp = convolve8_8_ssse3(ss, f);
+ return _mm_packus_epi16(temp, temp);
+}
+
+// Only calculate odd columns since even columns are just src pixels' copies.
+static void scale_1_to_2_phase_0_row(const uint8_t *src, uint8_t *dst,
+ const int w, const __m128i *const f) {
+ int x = w;
+
+ do {
+ __m128i s[8], temp;
+ s[0] = _mm_loadl_epi64((const __m128i *)(src + 0));
+ s[1] = _mm_loadl_epi64((const __m128i *)(src + 1));
+ s[2] = _mm_loadl_epi64((const __m128i *)(src + 2));
+ s[3] = _mm_loadl_epi64((const __m128i *)(src + 3));
+ s[4] = _mm_loadl_epi64((const __m128i *)(src + 4));
+ s[5] = _mm_loadl_epi64((const __m128i *)(src + 5));
+ s[6] = _mm_loadl_epi64((const __m128i *)(src + 6));
+ s[7] = _mm_loadl_epi64((const __m128i *)(src + 7));
+ temp = scale_1_to_2_phase_0_kernel(s, f);
+ _mm_storel_epi64((__m128i *)dst, temp);
+ src += 8;
+ dst += 8;
+ x -= 8;
+ } while (x);
+}
+
+static void scale_plane_1_to_2_phase_0(const uint8_t *src,
+ const ptrdiff_t src_stride, uint8_t *dst,
+ const ptrdiff_t dst_stride,
+ const int src_w, const int src_h,
+ const int16_t *const coef,
+ uint8_t *const temp_buffer) {
+ int max_width;
+ int y;
+ uint8_t *tmp[9];
+ __m128i f[4];
+
+ max_width = (src_w + 7) & ~7;
+ tmp[0] = temp_buffer + 0 * max_width;
+ tmp[1] = temp_buffer + 1 * max_width;
+ tmp[2] = temp_buffer + 2 * max_width;
+ tmp[3] = temp_buffer + 3 * max_width;
+ tmp[4] = temp_buffer + 4 * max_width;
+ tmp[5] = temp_buffer + 5 * max_width;
+ tmp[6] = temp_buffer + 6 * max_width;
+ tmp[7] = temp_buffer + 7 * max_width;
+
+ shuffle_filter_ssse3(coef, f);
+
+ scale_1_to_2_phase_0_row(src - 3 * src_stride - 3, tmp[0], max_width, f);
+ scale_1_to_2_phase_0_row(src - 2 * src_stride - 3, tmp[1], max_width, f);
+ scale_1_to_2_phase_0_row(src - 1 * src_stride - 3, tmp[2], max_width, f);
+ scale_1_to_2_phase_0_row(src + 0 * src_stride - 3, tmp[3], max_width, f);
+ scale_1_to_2_phase_0_row(src + 1 * src_stride - 3, tmp[4], max_width, f);
+ scale_1_to_2_phase_0_row(src + 2 * src_stride - 3, tmp[5], max_width, f);
+ scale_1_to_2_phase_0_row(src + 3 * src_stride - 3, tmp[6], max_width, f);
+
+ y = src_h;
+ do {
+ int x;
+ scale_1_to_2_phase_0_row(src + 4 * src_stride - 3, tmp[7], max_width, f);
+ for (x = 0; x < max_width; x += 8) {
+ __m128i s[8], C, D, CD;
+
+ // Even rows
+ const __m128i a = _mm_loadl_epi64((const __m128i *)(src + x));
+ const __m128i b = _mm_loadl_epi64((const __m128i *)(tmp[3] + x));
+ const __m128i ab = _mm_unpacklo_epi8(a, b);
+ _mm_storeu_si128((__m128i *)(dst + 2 * x), ab);
+
+ // Odd rows
+ // Even columns
+ load_8bit_8x8(src + x - 3 * src_stride, src_stride, s);
+ C = scale_1_to_2_phase_0_kernel(s, f);
+
+ // Odd columns
+ s[0] = _mm_loadl_epi64((const __m128i *)(tmp[0] + x));
+ s[1] = _mm_loadl_epi64((const __m128i *)(tmp[1] + x));
+ s[2] = _mm_loadl_epi64((const __m128i *)(tmp[2] + x));
+ s[3] = _mm_loadl_epi64((const __m128i *)(tmp[3] + x));
+ s[4] = _mm_loadl_epi64((const __m128i *)(tmp[4] + x));
+ s[5] = _mm_loadl_epi64((const __m128i *)(tmp[5] + x));
+ s[6] = _mm_loadl_epi64((const __m128i *)(tmp[6] + x));
+ s[7] = _mm_loadl_epi64((const __m128i *)(tmp[7] + x));
+ D = scale_1_to_2_phase_0_kernel(s, f);
+
+ CD = _mm_unpacklo_epi8(C, D);
+ _mm_storeu_si128((__m128i *)(dst + dst_stride + 2 * x), CD);
+ }
+
+ src += src_stride;
+ dst += 2 * dst_stride;
+ tmp[8] = tmp[0];
+ tmp[0] = tmp[1];
+ tmp[1] = tmp[2];
+ tmp[2] = tmp[3];
+ tmp[3] = tmp[4];
+ tmp[4] = tmp[5];
+ tmp[5] = tmp[6];
+ tmp[6] = tmp[7];
+ tmp[7] = tmp[8];
+ } while (--y);
+}
+
+void vp9_scale_and_extend_frame_ssse3(const YV12_BUFFER_CONFIG *src,
+ YV12_BUFFER_CONFIG *dst,
+ uint8_t filter_type, int phase_scaler) {
+ const int src_w = src->y_crop_width;
+ const int src_h = src->y_crop_height;
+ const int dst_w = dst->y_crop_width;
+ const int dst_h = dst->y_crop_height;
+ const int dst_uv_w = dst->uv_crop_width;
+ const int dst_uv_h = dst->uv_crop_height;
+ int scaled = 0;
+
+ // phase_scaler is usually 0 or 8.
+ assert(phase_scaler >= 0 && phase_scaler < 16);
+
+ if (dst_w * 2 == src_w && dst_h * 2 == src_h) {
+ // 2 to 1
+ scaled = 1;
+
+ if (phase_scaler == 0) {
+ scale_plane_2_to_1_phase_0(src->y_buffer, src->y_stride, dst->y_buffer,
+ dst->y_stride, dst_w, dst_h);
+ scale_plane_2_to_1_phase_0(src->u_buffer, src->uv_stride, dst->u_buffer,
+ dst->uv_stride, dst_uv_w, dst_uv_h);
+ scale_plane_2_to_1_phase_0(src->v_buffer, src->uv_stride, dst->v_buffer,
+ dst->uv_stride, dst_uv_w, dst_uv_h);
+ } else if (filter_type == BILINEAR) {
+ const int16_t c0 = vp9_filter_kernels[BILINEAR][phase_scaler][3];
+ const int16_t c1 = vp9_filter_kernels[BILINEAR][phase_scaler][4];
+ const __m128i c0c1 = _mm_set1_epi16(c0 | (c1 << 8)); // c0 and c1 >= 0
+ scale_plane_2_to_1_bilinear(src->y_buffer, src->y_stride, dst->y_buffer,
+ dst->y_stride, dst_w, dst_h, c0c1);
+ scale_plane_2_to_1_bilinear(src->u_buffer, src->uv_stride, dst->u_buffer,
+ dst->uv_stride, dst_uv_w, dst_uv_h, c0c1);
+ scale_plane_2_to_1_bilinear(src->v_buffer, src->uv_stride, dst->v_buffer,
+ dst->uv_stride, dst_uv_w, dst_uv_h, c0c1);
+ } else {
+ const int buffer_stride = (dst_w + 3) & ~3;
+ const int buffer_height = (2 * dst_h + SUBPEL_TAPS - 2 + 7) & ~7;
+ uint8_t *const temp_buffer =
+ (uint8_t *)malloc(buffer_stride * buffer_height);
+ if (temp_buffer) {
+ scale_plane_2_to_1_general(
+ src->y_buffer, src->y_stride, dst->y_buffer, dst->y_stride, dst_w,
+ dst_h, vp9_filter_kernels[filter_type][phase_scaler], temp_buffer);
+ scale_plane_2_to_1_general(
+ src->u_buffer, src->uv_stride, dst->u_buffer, dst->uv_stride,
+ dst_uv_w, dst_uv_h, vp9_filter_kernels[filter_type][phase_scaler],
+ temp_buffer);
+ scale_plane_2_to_1_general(
+ src->v_buffer, src->uv_stride, dst->v_buffer, dst->uv_stride,
+ dst_uv_w, dst_uv_h, vp9_filter_kernels[filter_type][phase_scaler],
+ temp_buffer);
+ free(temp_buffer);
+ } else {
+ scaled = 0;
+ }
+ }
+ } else if (4 * dst_w == src_w && 4 * dst_h == src_h) {
+ // 4 to 1
+ scaled = 1;
+ if (phase_scaler == 0) {
+ scale_plane_4_to_1_phase_0(src->y_buffer, src->y_stride, dst->y_buffer,
+ dst->y_stride, dst_w, dst_h);
+ scale_plane_4_to_1_phase_0(src->u_buffer, src->uv_stride, dst->u_buffer,
+ dst->uv_stride, dst_uv_w, dst_uv_h);
+ scale_plane_4_to_1_phase_0(src->v_buffer, src->uv_stride, dst->v_buffer,
+ dst->uv_stride, dst_uv_w, dst_uv_h);
+ } else if (filter_type == BILINEAR) {
+ const int16_t c0 = vp9_filter_kernels[BILINEAR][phase_scaler][3];
+ const int16_t c1 = vp9_filter_kernels[BILINEAR][phase_scaler][4];
+ const __m128i c0c1 = _mm_set1_epi16(c0 | (c1 << 8)); // c0 and c1 >= 0
+ scale_plane_4_to_1_bilinear(src->y_buffer, src->y_stride, dst->y_buffer,
+ dst->y_stride, dst_w, dst_h, c0c1);
+ scale_plane_4_to_1_bilinear(src->u_buffer, src->uv_stride, dst->u_buffer,
+ dst->uv_stride, dst_uv_w, dst_uv_h, c0c1);
+ scale_plane_4_to_1_bilinear(src->v_buffer, src->uv_stride, dst->v_buffer,
+ dst->uv_stride, dst_uv_w, dst_uv_h, c0c1);
+ } else {
+ const int buffer_stride = (dst_w + 1) & ~1;
+ const int buffer_height = (4 * dst_h + SUBPEL_TAPS - 2 + 7) & ~7;
+ // When dst_w is 1 or 2, we need extra padding to avoid heap read overflow
+ const int extra_padding = 16;
+ uint8_t *const temp_buffer =
+ (uint8_t *)malloc(buffer_stride * buffer_height + extra_padding);
+ if (temp_buffer) {
+ scale_plane_4_to_1_general(
+ src->y_buffer, src->y_stride, dst->y_buffer, dst->y_stride, dst_w,
+ dst_h, vp9_filter_kernels[filter_type][phase_scaler], temp_buffer);
+ scale_plane_4_to_1_general(
+ src->u_buffer, src->uv_stride, dst->u_buffer, dst->uv_stride,
+ dst_uv_w, dst_uv_h, vp9_filter_kernels[filter_type][phase_scaler],
+ temp_buffer);
+ scale_plane_4_to_1_general(
+ src->v_buffer, src->uv_stride, dst->v_buffer, dst->uv_stride,
+ dst_uv_w, dst_uv_h, vp9_filter_kernels[filter_type][phase_scaler],
+ temp_buffer);
+ free(temp_buffer);
+ } else {
+ scaled = 0;
+ }
+ }
+ } else if (4 * dst_w == 3 * src_w && 4 * dst_h == 3 * src_h) {
+ // 4 to 3
+ const int buffer_stride_hor = (dst_w + 5) - ((dst_w + 5) % 6) + 2;
+ const int buffer_stride_ver = (dst_w + 7) & ~7;
+ const int buffer_height = (4 * dst_h / 3 + SUBPEL_TAPS - 1 + 7) & ~7;
+ // When the vertical filter reads more pixels than the horizontal filter
+ // generated in each row, we need extra padding to avoid heap read overflow.
+ // For example, the horizontal filter generates 18 pixels but the vertical
+ // filter reads 24 pixels in a row. The difference is multiplied by 2 since
+ // two rows are interlaced together in the optimization.
+ const int extra_padding = (buffer_stride_ver > buffer_stride_hor)
+ ? 2 * (buffer_stride_ver - buffer_stride_hor)
+ : 0;
+ const int buffer_size = buffer_stride_hor * buffer_height + extra_padding;
+ uint8_t *const temp_buffer = (uint8_t *)malloc(buffer_size);
+ if (temp_buffer) {
+ scaled = 1;
+ scale_plane_4_to_3_general(
+ src->y_buffer, src->y_stride, dst->y_buffer, dst->y_stride, dst_w,
+ dst_h, vp9_filter_kernels[filter_type], phase_scaler, temp_buffer);
+ scale_plane_4_to_3_general(src->u_buffer, src->uv_stride, dst->u_buffer,
+ dst->uv_stride, dst_uv_w, dst_uv_h,
+ vp9_filter_kernels[filter_type], phase_scaler,
+ temp_buffer);
+ scale_plane_4_to_3_general(src->v_buffer, src->uv_stride, dst->v_buffer,
+ dst->uv_stride, dst_uv_w, dst_uv_h,
+ vp9_filter_kernels[filter_type], phase_scaler,
+ temp_buffer);
+ free(temp_buffer);
+ }
+ } else if (dst_w == src_w * 2 && dst_h == src_h * 2 && phase_scaler == 0) {
+ // 1 to 2
+ uint8_t *const temp_buffer = (uint8_t *)malloc(8 * ((src_w + 7) & ~7));
+ if (temp_buffer) {
+ scaled = 1;
+ scale_plane_1_to_2_phase_0(
+ src->y_buffer, src->y_stride, dst->y_buffer, dst->y_stride, src_w,
+ src_h, vp9_filter_kernels[filter_type][8], temp_buffer);
+ scale_plane_1_to_2_phase_0(src->u_buffer, src->uv_stride, dst->u_buffer,
+ dst->uv_stride, src_w / 2, src_h / 2,
+ vp9_filter_kernels[filter_type][8],
+ temp_buffer);
+ scale_plane_1_to_2_phase_0(src->v_buffer, src->uv_stride, dst->v_buffer,
+ dst->uv_stride, src_w / 2, src_h / 2,
+ vp9_filter_kernels[filter_type][8],
+ temp_buffer);
+ free(temp_buffer);
+ }
+ }
+
+ if (scaled) {
+ vpx_extend_frame_borders(dst);
+ } else {
+ // Call c version for all other scaling ratios.
+ vp9_scale_and_extend_frame_c(src, dst, filter_type, phase_scaler);
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-06 12:08:59 +0000