diff options
Diffstat (limited to 'media/libvpx/libvpx/vp9/encoder/x86/vp9_frame_scale_ssse3.c')
-rw-r--r-- | media/libvpx/libvpx/vp9/encoder/x86/vp9_frame_scale_ssse3.c | 907 |
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); + } +} |