mirror of
https://chromium.googlesource.com/libyuv/libyuv
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22f9cfb688
Review URL: http://webrtc-codereview.appspot.com/220001 git-svn-id: http://libyuv.googlecode.com/svn/trunk@14 16f28f9a-4ce2-e073-06de-1de4eb20be90
1240 lines
37 KiB
C++
1240 lines
37 KiB
C++
/*
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* Copyright (c) 2011 The LibYuv project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "planar_functions.h"
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#include <string.h>
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#include "cpu_id.h"
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#include "row.h"
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namespace libyuv {
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#if defined(__ARM_NEON__) && !defined(COVERAGE_ENABLED)
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#define HAS_SPLITUV_NEON
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// Reads 16 pairs of UV and write even values to dst_u and odd to dst_v
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// Alignment requirement: 16 bytes for pointers, and multiple of 16 pixels.
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static void SplitUV_NEON(const uint8* src_uv,
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uint8* dst_u, uint8* dst_v, int pix) {
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__asm__ volatile
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(
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"1:\n"
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"vld2.u8 {q0,q1}, [%0]! \n" // load 16 pairs of UV
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"vst1.u8 {q0}, [%1]! \n" // store U
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"vst1.u8 {q1}, [%2]! \n" // Store V
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"subs %3, %3, #16 \n" // 16 processed per loop
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"bhi 1b \n"
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: // Output registers
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: "r"(src_uv), "r"(dst_u), "r"(dst_v), "r"(pix) // Input registers
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: "q0", "q1" // Clobber List
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);
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}
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#elif (defined(WIN32) || defined(__i386__)) && !defined(COVERAGE_ENABLED) && \
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!defined(__PIC__) && !TARGET_IPHONE_SIMULATOR
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#if defined(_MSC_VER)
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#define TALIGN16(t, var) static __declspec(align(16)) t _ ## var
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#elif defined(OSX)
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#define TALIGN16(t, var) t var __attribute__((aligned(16)))
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#else
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#define TALIGN16(t, var) t _ ## var __attribute__((aligned(16)))
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#endif
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// shuffle constant to put even bytes in low 8 and odd bytes in high 8 bytes
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extern "C" TALIGN16(const uint8, shufevenodd[16]) =
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{ 0, 2, 4, 6, 8, 10, 12, 14, 1, 3, 5, 7, 9, 11, 13, 15 };
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#if defined(WIN32) && !defined(COVERAGE_ENABLED)
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#define HAS_SPLITUV_SSE2
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__declspec(naked)
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static void SplitUV_SSE2(const uint8* src_uv,
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uint8* dst_u, uint8* dst_v, int pix) {
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__asm {
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push edi
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mov eax, [esp + 4 + 4] // src_uv
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mov edx, [esp + 4 + 8] // dst_u
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mov edi, [esp + 4 + 12] // dst_v
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mov ecx, [esp + 4 + 16] // pix
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pcmpeqb xmm7, xmm7 // generate mask 0x00ff00ff
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psrlw xmm7, 8
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wloop:
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movdqa xmm0, [eax]
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movdqa xmm1, [eax + 16]
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lea eax, [eax + 32]
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movdqa xmm2, xmm0
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movdqa xmm3, xmm1
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pand xmm0, xmm7 // even bytes
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pand xmm1, xmm7
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packuswb xmm0, xmm1
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movdqa [edx], xmm0
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lea edx, [edx + 16]
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psrlw xmm2, 8 // odd bytes
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psrlw xmm3, 8
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packuswb xmm2, xmm3
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movdqa [edi], xmm2
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lea edi, [edi + 16]
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sub ecx, 16
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ja wloop
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pop edi
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ret
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}
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}
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#define HAS_SPLITUV_SSSE3
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__declspec(naked)
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static void SplitUV_SSSE3(const uint8* src_uv,
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uint8* dst_u, uint8* dst_v, int pix) {
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__asm {
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push edi
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mov eax, [esp + 4 + 4] // src_uv
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mov edx, [esp + 4 + 8] // dst_u
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mov edi, [esp + 4 + 12] // dst_v
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mov ecx, [esp + 4 + 16] // pix
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movdqa xmm7, _shufevenodd
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wloop:
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movdqa xmm0, [eax]
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movdqa xmm1, [eax + 16]
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lea eax, [eax + 32]
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pshufb xmm0, xmm7 // 8 u's and 8 v's
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pshufb xmm1, xmm7 // 8 u's and 8 v's
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movdqa xmm2, xmm0
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punpcklqdq xmm0, xmm1 // 16 u's
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punpckhqdq xmm2, xmm1 // 16 v's
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movdqa [edx], xmm0
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lea edx, [edx + 16]
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movdqa [edi], xmm2
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lea edi, [edi + 16]
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sub ecx, 16
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ja wloop
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pop edi
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ret
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}
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}
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#elif defined(__i386__) && !defined(COVERAGE_ENABLED) && \
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!TARGET_IPHONE_SIMULATOR
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#define HAS_SPLITUV_SSE2
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extern "C" void SplitUV_SSE2(const uint8* src_uv,
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uint8* dst_u, uint8* dst_v, int pix);
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asm(
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".text\n"
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#if defined(OSX)
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".globl _SplitUV_SSE2\n"
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"_SplitUV_SSE2:\n"
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#else
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".global SplitUV_SSE2\n"
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"SplitUV_SSE2:\n"
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#endif
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"push %edi\n"
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"mov 0x8(%esp),%eax\n"
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"mov 0xc(%esp),%edx\n"
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"mov 0x10(%esp),%edi\n"
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"mov 0x14(%esp),%ecx\n"
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"pcmpeqb %xmm7,%xmm7\n"
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"psrlw $0x8,%xmm7\n"
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"1:"
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"movdqa (%eax),%xmm0\n"
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"movdqa 0x10(%eax),%xmm1\n"
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"lea 0x20(%eax),%eax\n"
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"movdqa %xmm0,%xmm2\n"
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"movdqa %xmm1,%xmm3\n"
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"pand %xmm7,%xmm0\n"
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"pand %xmm7,%xmm1\n"
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"packuswb %xmm1,%xmm0\n"
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"movdqa %xmm0,(%edx)\n"
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"lea 0x10(%edx),%edx\n"
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"psrlw $0x8,%xmm2\n"
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"psrlw $0x8,%xmm3\n"
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"packuswb %xmm3,%xmm2\n"
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"movdqa %xmm2,(%edi)\n"
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"lea 0x10(%edi),%edi\n"
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"sub $0x10,%ecx\n"
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"ja 1b\n"
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"pop %edi\n"
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"ret\n"
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);
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#define HAS_SPLITUV_SSSE3
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extern "C" void SplitUV_SSSE3(const uint8* src_uv,
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uint8* dst_u, uint8* dst_v, int pix);
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asm(
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".text\n"
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#if defined(OSX)
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".globl _SplitUV_SSSE3\n"
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"_SplitUV_SSSE3:\n"
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#else
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".global SplitUV_SSSE3\n"
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"SplitUV_SSSE3:\n"
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#endif
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"push %edi\n"
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"mov 0x8(%esp),%eax\n"
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"mov 0xc(%esp),%edx\n"
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"mov 0x10(%esp),%edi\n"
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"mov 0x14(%esp),%ecx\n"
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"movdqa _shufevenodd,%xmm7\n"
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"1:"
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"movdqa (%eax),%xmm0\n"
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"movdqa 0x10(%eax),%xmm1\n"
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"lea 0x20(%eax),%eax\n"
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"pshufb %xmm7,%xmm0\n"
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"pshufb %xmm7,%xmm1\n"
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"movdqa %xmm0,%xmm2\n"
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"punpcklqdq %xmm1,%xmm0\n"
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"punpckhqdq %xmm1,%xmm2\n"
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"movdqa %xmm0,(%edx)\n"
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"lea 0x10(%edx),%edx\n"
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"movdqa %xmm2,(%edi)\n"
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"lea 0x10(%edi),%edi\n"
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"sub $0x10,%ecx\n"
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"ja 1b\n"
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"pop %edi\n"
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"ret\n"
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);
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#endif
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#endif
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static void SplitUV_C(const uint8* src_uv,
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uint8* dst_u, uint8* dst_v, int pix) {
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// Copy a row of UV.
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for (int x = 0; x < pix; ++x) {
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dst_u[0] = src_uv[0];
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dst_v[0] = src_uv[1];
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src_uv += 2;
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dst_u += 1;
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dst_v += 1;
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}
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}
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static void I420CopyPlane(const uint8* src_y, int src_pitch_y,
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uint8* dst_y, int dst_pitch_y,
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int width, int height) {
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// Copy plane
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for (int y = 0; y < height; ++y) {
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memcpy(dst_y, src_y, width);
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src_y += src_pitch_y;
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dst_y += dst_pitch_y;
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}
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}
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static void I420CopyPlane2(const uint8* src, int src_pitch_0, int src_pitch_1,
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uint8* dst, int dst_pitch,
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int width, int height) {
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// Copy plane
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for (int y = 0; y < height; y += 2) {
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memcpy(dst, src, width);
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src += src_pitch_0;
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dst += dst_pitch;
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memcpy(dst, src, width);
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src += src_pitch_1;
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dst += dst_pitch;
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}
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}
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// TODO(fbarchard): For biplanar formats (ie NV21), the Y plane is the same
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// as I420, and only the chroma plane varies. Copy the Y plane by reference,
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// and just convert the UV. This method can be used for NV21, NV12, I420,
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// I422, M422. 8 of the 12 bits is Y, so this would copy 3 times less data,
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// which is approximately how much faster it would be.
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// Helper function to copy yuv data without scaling. Used
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// by our jpeg conversion callbacks to incrementally fill a yuv image.
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void PlanarFunctions::I420Copy(const uint8* src_y, int src_pitch_y,
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const uint8* src_u, int src_pitch_u,
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const uint8* src_v, int src_pitch_v,
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uint8* dst_y, int dst_pitch_y,
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uint8* dst_u, int dst_pitch_u,
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uint8* dst_v, int dst_pitch_v,
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int width, int height) {
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// Negative height means invert the image.
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if (height < 0) {
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height = -height;
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src_y = src_y + (height - 1) * src_pitch_y;
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src_u = src_u + (height - 1) * src_pitch_u;
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src_v = src_v + (height - 1) * src_pitch_v;
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src_pitch_y = -src_pitch_y;
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src_pitch_u = -src_pitch_u;
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src_pitch_v = -src_pitch_v;
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}
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int halfwidth = (width + 1) >> 1;
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int halfheight = (height + 1) >> 1;
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I420CopyPlane(src_y, src_pitch_y, dst_y, dst_pitch_y, width, height);
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I420CopyPlane(src_u, src_pitch_u, dst_u, dst_pitch_u, halfwidth, halfheight);
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I420CopyPlane(src_v, src_pitch_v, dst_v, dst_pitch_v, halfwidth, halfheight);
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}
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// Helper function to copy yuv data without scaling. Used
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// by our jpeg conversion callbacks to incrementally fill a yuv image.
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void PlanarFunctions::I422ToI420(const uint8* src_y, int src_pitch_y,
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const uint8* src_u, int src_pitch_u,
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const uint8* src_v, int src_pitch_v,
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uint8* dst_y, int dst_pitch_y,
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uint8* dst_u, int dst_pitch_u,
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uint8* dst_v, int dst_pitch_v,
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int width, int height) {
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// Negative height means invert the image.
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if (height < 0) {
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height = -height;
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src_y = src_y + (height - 1) * src_pitch_y;
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src_u = src_u + (height - 1) * src_pitch_u;
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src_v = src_v + (height - 1) * src_pitch_v;
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src_pitch_y = -src_pitch_y;
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src_pitch_u = -src_pitch_u;
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src_pitch_v = -src_pitch_v;
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}
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// Copy Y plane
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I420CopyPlane(src_y, src_pitch_y, dst_y, dst_pitch_y, width, height);
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// SubSample UV planes.
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int x, y;
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int halfwidth = (width + 1) >> 1;
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for (y = 0; y < height; y += 2) {
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const uint8* u0 = src_u;
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const uint8* u1 = src_u + src_pitch_u;
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if ((y + 1) >= height) {
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u1 = u0;
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}
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for (x = 0; x < halfwidth; ++x) {
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dst_u[x] = (u0[x] + u1[x] + 1) >> 1;
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}
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src_u += src_pitch_u * 2;
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dst_u += dst_pitch_u;
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}
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for (y = 0; y < height; y += 2) {
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const uint8* v0 = src_v;
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const uint8* v1 = src_v + src_pitch_v;
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if ((y + 1) >= height) {
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v1 = v0;
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}
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for (x = 0; x < halfwidth; ++x) {
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dst_v[x] = (v0[x] + v1[x] + 1) >> 1;
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}
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src_v += src_pitch_v * 2;
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dst_v += dst_pitch_v;
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}
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}
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// Support converting from FOURCC_M420
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// Useful for bandwidth constrained transports like USB 1.0 and 2.0 and for
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// easy conversion to I420.
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// M420 format description:
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// M420 is row biplanar 420: 2 rows of Y and 1 row of VU.
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// Chroma is half width / half height. (420)
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// src_pitch_m420 is row planar. Normally this will be the width in pixels.
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// The UV plane is half width, but 2 values, so src_pitch_m420 applies to this
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// as well as the two Y planes.
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// TODO(fbarchard): Do NV21/NV12 formats with this function
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static void X420ToI420(const uint8* src_y,
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int src_pitch_y0, int src_pitch_y1,
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const uint8* src_uv, int src_pitch_uv,
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uint8* dst_y, int dst_pitch_y,
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uint8* dst_u, int dst_pitch_u,
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uint8* dst_v, int dst_pitch_v,
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int width, int height) {
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// Negative height means invert the image.
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if (height < 0) {
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height = -height;
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dst_y = dst_y + (height - 1) * dst_pitch_y;
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dst_u = dst_u + (height - 1) * dst_pitch_u;
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dst_v = dst_v + (height - 1) * dst_pitch_v;
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dst_pitch_y = -dst_pitch_y;
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dst_pitch_u = -dst_pitch_u;
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dst_pitch_v = -dst_pitch_v;
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}
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int halfwidth = (width + 1) >> 1;
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void (*SplitUV)(const uint8* src_uv, uint8* dst_u, uint8* dst_v, int pix);
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#if defined(HAS_SPLITUV_NEON)
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if (libyuv::CpuInfo::TestCpuFlag(libyuv::CpuInfo::kCpuHasNEON) &&
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(halfwidth % 16 == 0) &&
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IS_ALIGNED(src_uv, 16) && (src_pitch_uv % 16 == 0) &&
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IS_ALIGNED(dst_u, 16) && (dst_pitch_u % 16 == 0) &&
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IS_ALIGNED(dst_v, 16) && (dst_pitch_v % 16 == 0)) {
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SplitUV = SplitUV_NEON;
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} else
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#elif defined(HAS_SPLITUV_SSSE3)
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if (libyuv::CpuInfo::TestCpuFlag(libyuv::CpuInfo::kCpuHasSSSE3) &&
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(halfwidth % 16 == 0) &&
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IS_ALIGNED(src_uv, 16) && (src_pitch_uv % 16 == 0) &&
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IS_ALIGNED(dst_u, 16) && (dst_pitch_u % 16 == 0) &&
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IS_ALIGNED(dst_v, 16) && (dst_pitch_v % 16 == 0)) {
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SplitUV = SplitUV_SSSE3;
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} else
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#elif defined(HAS_SPLITUV_SSE2)
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if (libyuv::CpuInfo::TestCpuFlag(libyuv::CpuInfo::kCpuHasSSE2) &&
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(halfwidth % 16 == 0) &&
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IS_ALIGNED(src_uv, 16) && (src_pitch_uv % 16 == 0) &&
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IS_ALIGNED(dst_u, 16) && (dst_pitch_u % 16 == 0) &&
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IS_ALIGNED(dst_v, 16) && (dst_pitch_v % 16 == 0)) {
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SplitUV = SplitUV_SSE2;
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} else
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#endif
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{
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SplitUV = SplitUV_C;
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}
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I420CopyPlane2(src_y, src_pitch_y0, src_pitch_y1, dst_y, dst_pitch_y,
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width, height);
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int halfheight = (height + 1) >> 1;
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for (int y = 0; y < halfheight; ++y) {
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// Copy a row of UV.
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SplitUV(src_uv, dst_u, dst_v, halfwidth);
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dst_u += dst_pitch_u;
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dst_v += dst_pitch_v;
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src_uv += src_pitch_uv;
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}
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}
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// Convert M420 to I420.
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void PlanarFunctions::M420ToI420(const uint8* src_m420, int src_pitch_m420,
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uint8* dst_y, int dst_pitch_y,
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uint8* dst_u, int dst_pitch_u,
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uint8* dst_v, int dst_pitch_v,
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int width, int height) {
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X420ToI420(src_m420, src_pitch_m420, src_pitch_m420 * 2,
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src_m420 + src_pitch_m420 * 2, src_pitch_m420 * 3,
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dst_y, dst_pitch_y, dst_u, dst_pitch_u, dst_v, dst_pitch_v,
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width, height);
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}
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// Convert NV12 to I420.
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void PlanarFunctions::NV12ToI420(const uint8* src_y,
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const uint8* src_uv,
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int src_pitch,
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uint8* dst_y, int dst_pitch_y,
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uint8* dst_u, int dst_pitch_u,
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uint8* dst_v, int dst_pitch_v,
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int width, int height) {
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X420ToI420(src_y, src_pitch, src_pitch,
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src_uv, src_pitch,
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dst_y, dst_pitch_y, dst_u, dst_pitch_u, dst_v, dst_pitch_v,
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|
width, height);
|
|
}
|
|
|
|
#if defined(WIN32) && !defined(COVERAGE_ENABLED)
|
|
#define HAS_SPLITYUY2_SSE2
|
|
__declspec(naked)
|
|
static void SplitYUY2_SSE2(const uint8* src_yuy2,
|
|
uint8* dst_y, uint8* dst_u, uint8* dst_v, int pix) {
|
|
__asm {
|
|
push esi
|
|
push edi
|
|
mov eax, [esp + 8 + 4] // src_yuy2
|
|
mov edx, [esp + 8 + 8] // dst_y
|
|
mov esi, [esp + 8 + 12] // dst_u
|
|
mov edi, [esp + 8 + 16] // dst_v
|
|
mov ecx, [esp + 8 + 20] // pix
|
|
pcmpeqb xmm7, xmm7 // generate mask 0x00ff00ff
|
|
psrlw xmm7, 8
|
|
|
|
wloop:
|
|
movdqa xmm0, [eax]
|
|
movdqa xmm1, [eax + 16]
|
|
lea eax, [eax + 32]
|
|
movdqa xmm2, xmm0
|
|
movdqa xmm3, xmm1
|
|
pand xmm2, xmm7 // even bytes are Y
|
|
pand xmm3, xmm7
|
|
packuswb xmm2, xmm3
|
|
movdqa [edx], xmm2
|
|
lea edx, [edx + 16]
|
|
psrlw xmm0, 8 // YUYV -> UVUV
|
|
psrlw xmm1, 8
|
|
packuswb xmm0, xmm1
|
|
movdqa xmm1, xmm0
|
|
pand xmm0, xmm7 // U
|
|
packuswb xmm0, xmm0
|
|
movq qword ptr [esi], xmm0
|
|
lea esi, [esi + 8]
|
|
psrlw xmm1, 8 // V
|
|
packuswb xmm1, xmm1
|
|
movq qword ptr [edi], xmm1
|
|
lea edi, [edi + 8]
|
|
sub ecx, 16
|
|
ja wloop
|
|
|
|
pop edi
|
|
pop esi
|
|
ret
|
|
}
|
|
}
|
|
#elif defined(__i386__) && !defined(COVERAGE_ENABLED) && \
|
|
!TARGET_IPHONE_SIMULATOR
|
|
#define HAS_SPLITYUY2_SSE2
|
|
extern "C" void SplitYUY2_SSE2(const uint8* src_yuy2, uint8* dst_y,
|
|
uint8* dst_u, uint8* dst_v, int pix);
|
|
asm(
|
|
".text\n"
|
|
#if defined(OSX)
|
|
".globl _SplitYUY2_SSE2\n"
|
|
"_SplitYUY2_SSE2:\n"
|
|
#else
|
|
".global SplitYUY2_SSE2\n"
|
|
"SplitYUY2_SSE2:\n"
|
|
#endif
|
|
"push %esi\n"
|
|
"push %edi\n"
|
|
"mov 0xc(%esp),%eax\n"
|
|
"mov 0x10(%esp),%edx\n"
|
|
"mov 0x14(%esp),%esi\n"
|
|
"mov 0x18(%esp),%edi\n"
|
|
"mov 0x1c(%esp),%ecx\n"
|
|
"pcmpeqb %xmm7,%xmm7\n"
|
|
"psrlw $0x8,%xmm7\n"
|
|
|
|
"1:"
|
|
"movdqa (%eax),%xmm0\n"
|
|
"movdqa 0x10(%eax),%xmm1\n"
|
|
"lea 0x20(%eax),%eax\n"
|
|
"movdqa %xmm0,%xmm2\n"
|
|
"movdqa %xmm1,%xmm3\n"
|
|
"pand %xmm7,%xmm2\n"
|
|
"pand %xmm7,%xmm3\n"
|
|
"packuswb %xmm3,%xmm2\n"
|
|
"movdqa %xmm2,(%edx)\n"
|
|
"lea 0x10(%edx),%edx\n"
|
|
"psrlw $0x8,%xmm0\n"
|
|
"psrlw $0x8,%xmm1\n"
|
|
"packuswb %xmm1,%xmm0\n"
|
|
"movdqa %xmm0,%xmm1\n"
|
|
"pand %xmm7,%xmm0\n"
|
|
"packuswb %xmm0,%xmm0\n"
|
|
"movq %xmm0,(%esi)\n"
|
|
"lea 0x8(%esi),%esi\n"
|
|
"psrlw $0x8,%xmm1\n"
|
|
"packuswb %xmm1,%xmm1\n"
|
|
"movq %xmm1,(%edi)\n"
|
|
"lea 0x8(%edi),%edi\n"
|
|
"sub $0x10,%ecx\n"
|
|
"ja 1b\n"
|
|
"pop %edi\n"
|
|
"pop %esi\n"
|
|
"ret\n"
|
|
);
|
|
#endif
|
|
|
|
static void SplitYUY2_C(const uint8* src_yuy2,
|
|
uint8* dst_y, uint8* dst_u, uint8* dst_v, int pix) {
|
|
// Copy a row of YUY2.
|
|
for (int x = 0; x < pix; x += 2) {
|
|
dst_y[0] = src_yuy2[0];
|
|
dst_y[1] = src_yuy2[2];
|
|
dst_u[0] = src_yuy2[1];
|
|
dst_v[0] = src_yuy2[3];
|
|
src_yuy2 += 4;
|
|
dst_y += 2;
|
|
dst_u += 1;
|
|
dst_v += 1;
|
|
}
|
|
}
|
|
|
|
// Convert Q420 to I420.
|
|
// Format is rows of YY/YUYV
|
|
void PlanarFunctions::Q420ToI420(const uint8* src_y, int src_pitch_y,
|
|
const uint8* src_yuy2, int src_pitch_yuy2,
|
|
uint8* dst_y, int dst_pitch_y,
|
|
uint8* dst_u, int dst_pitch_u,
|
|
uint8* dst_v, int dst_pitch_v,
|
|
int width, int height) {
|
|
void (*SplitYUY2)(const uint8* src_yuy2,
|
|
uint8* dst_y, uint8* dst_u, uint8* dst_v, int pix);
|
|
#if defined(HAS_SPLITYUY2_SSE2)
|
|
if (libyuv::CpuInfo::TestCpuFlag(libyuv::CpuInfo::kCpuHasSSE2) &&
|
|
(width % 16 == 0) &&
|
|
IS_ALIGNED(src_yuy2, 16) && (src_pitch_yuy2 % 16 == 0) &&
|
|
IS_ALIGNED(dst_y, 16) && (dst_pitch_y % 16 == 0) &&
|
|
IS_ALIGNED(dst_u, 8) && (dst_pitch_u % 8 == 0) &&
|
|
IS_ALIGNED(dst_v, 8) && (dst_pitch_v % 8 == 0)) {
|
|
SplitYUY2 = SplitYUY2_SSE2;
|
|
} else
|
|
#endif
|
|
{
|
|
SplitYUY2 = SplitYUY2_C;
|
|
}
|
|
for (int y = 0; y < height; y += 2) {
|
|
memcpy(dst_y, src_y, width);
|
|
dst_y += dst_pitch_y;
|
|
src_y += src_pitch_y;
|
|
|
|
// Copy a row of YUY2.
|
|
SplitYUY2(src_yuy2, dst_y, dst_u, dst_v, width);
|
|
dst_y += dst_pitch_y;
|
|
dst_u += dst_pitch_u;
|
|
dst_v += dst_pitch_v;
|
|
src_yuy2 += src_pitch_yuy2;
|
|
}
|
|
}
|
|
|
|
#if defined(WIN32) && !defined(COVERAGE_ENABLED)
|
|
#define HAS_YUY2TOI420ROW_SSE2
|
|
__declspec(naked)
|
|
void YUY2ToI420RowY_SSE2(const uint8* src_yuy2,
|
|
uint8* dst_y, int pix) {
|
|
__asm {
|
|
mov eax, [esp + 4] // src_yuy2
|
|
mov edx, [esp + 8] // dst_y
|
|
mov ecx, [esp + 12] // pix
|
|
pcmpeqb xmm7, xmm7 // generate mask 0x00ff00ff
|
|
psrlw xmm7, 8
|
|
|
|
wloop:
|
|
movdqa xmm0, [eax]
|
|
movdqa xmm1, [eax + 16]
|
|
lea eax, [eax + 32]
|
|
pand xmm0, xmm7 // even bytes are Y
|
|
pand xmm1, xmm7
|
|
packuswb xmm0, xmm1
|
|
movdqa [edx], xmm0
|
|
lea edx, [edx + 16]
|
|
sub ecx, 16
|
|
ja wloop
|
|
ret
|
|
}
|
|
}
|
|
|
|
__declspec(naked)
|
|
void YUY2ToI420RowUV_SSE2(const uint8* src_yuy2, int pitch_yuy2,
|
|
uint8* dst_u, uint8* dst_y, int pix) {
|
|
__asm {
|
|
push esi
|
|
push edi
|
|
mov eax, [esp + 8 + 4] // src_yuy2
|
|
mov esi, [esp + 8 + 8] // pitch_yuy2
|
|
mov edx, [esp + 8 + 12] // dst_u
|
|
mov edi, [esp + 8 + 16] // dst_v
|
|
mov ecx, [esp + 8 + 20] // pix
|
|
pcmpeqb xmm7, xmm7 // generate mask 0x00ff00ff
|
|
psrlw xmm7, 8
|
|
|
|
wloop:
|
|
movdqa xmm0, [eax]
|
|
movdqa xmm1, [eax + 16]
|
|
movdqa xmm2, [eax + esi]
|
|
movdqa xmm3, [eax + esi + 16]
|
|
lea eax, [eax + 32]
|
|
pavgb xmm0, xmm2
|
|
pavgb xmm1, xmm3
|
|
psrlw xmm0, 8 // YUYV -> UVUV
|
|
psrlw xmm1, 8
|
|
packuswb xmm0, xmm1
|
|
movdqa xmm1, xmm0
|
|
pand xmm0, xmm7 // U
|
|
packuswb xmm0, xmm0
|
|
movq qword ptr [edx], xmm0
|
|
lea edx, [edx + 8]
|
|
psrlw xmm1, 8 // V
|
|
packuswb xmm1, xmm1
|
|
movq qword ptr [edi], xmm1
|
|
lea edi, [edi + 8]
|
|
sub ecx, 16
|
|
ja wloop
|
|
|
|
pop edi
|
|
pop esi
|
|
ret
|
|
}
|
|
}
|
|
|
|
#define HAS_UYVYTOI420ROW_SSE2
|
|
__declspec(naked)
|
|
void UYVYToI420RowY_SSE2(const uint8* src_uyvy,
|
|
uint8* dst_y, int pix) {
|
|
__asm {
|
|
mov eax, [esp + 4] // src_uyvy
|
|
mov edx, [esp + 8] // dst_y
|
|
mov ecx, [esp + 12] // pix
|
|
|
|
wloop:
|
|
movdqa xmm0, [eax]
|
|
movdqa xmm1, [eax + 16]
|
|
lea eax, [eax + 32]
|
|
psrlw xmm0, 8 // odd bytes are Y
|
|
psrlw xmm1, 8
|
|
packuswb xmm0, xmm1
|
|
movdqa [edx], xmm0
|
|
lea edx, [edx + 16]
|
|
sub ecx, 16
|
|
ja wloop
|
|
ret
|
|
}
|
|
}
|
|
|
|
__declspec(naked)
|
|
void UYVYToI420RowUV_SSE2(const uint8* src_uyvy, int pitch_uyvy,
|
|
uint8* dst_u, uint8* dst_y, int pix) {
|
|
__asm {
|
|
push esi
|
|
push edi
|
|
mov eax, [esp + 8 + 4] // src_yuy2
|
|
mov esi, [esp + 8 + 8] // pitch_yuy2
|
|
mov edx, [esp + 8 + 12] // dst_u
|
|
mov edi, [esp + 8 + 16] // dst_v
|
|
mov ecx, [esp + 8 + 20] // pix
|
|
pcmpeqb xmm7, xmm7 // generate mask 0x00ff00ff
|
|
psrlw xmm7, 8
|
|
|
|
wloop:
|
|
movdqa xmm0, [eax]
|
|
movdqa xmm1, [eax + 16]
|
|
movdqa xmm2, [eax + esi]
|
|
movdqa xmm3, [eax + esi + 16]
|
|
lea eax, [eax + 32]
|
|
pavgb xmm0, xmm2
|
|
pavgb xmm1, xmm3
|
|
pand xmm0, xmm7 // UYVY -> UVUV
|
|
pand xmm1, xmm7
|
|
packuswb xmm0, xmm1
|
|
movdqa xmm1, xmm0
|
|
pand xmm0, xmm7 // U
|
|
packuswb xmm0, xmm0
|
|
movq qword ptr [edx], xmm0
|
|
lea edx, [edx + 8]
|
|
psrlw xmm1, 8 // V
|
|
packuswb xmm1, xmm1
|
|
movq qword ptr [edi], xmm1
|
|
lea edi, [edi + 8]
|
|
sub ecx, 16
|
|
ja wloop
|
|
|
|
pop edi
|
|
pop esi
|
|
ret
|
|
}
|
|
}
|
|
#elif defined(__i386__) && !defined(COVERAGE_ENABLED) && \
|
|
!TARGET_IPHONE_SIMULATOR
|
|
|
|
#define HAS_YUY2TOI420ROW_SSE2
|
|
extern "C" void YUY2ToI420RowY_SSE2(const uint8* src_yuy2,
|
|
uint8* dst_y, int pix);
|
|
asm(
|
|
".text\n"
|
|
#if defined(OSX)
|
|
".globl _YUY2ToI420RowY_SSE2\n"
|
|
"_YUY2ToI420RowY_SSE2:\n"
|
|
#else
|
|
".global YUY2ToI420RowY_SSE2\n"
|
|
"YUY2ToI420RowY_SSE2:\n"
|
|
#endif
|
|
"mov 0x4(%esp),%eax\n"
|
|
"mov 0x8(%esp),%edx\n"
|
|
"mov 0xc(%esp),%ecx\n"
|
|
"pcmpeqb %xmm7,%xmm7\n"
|
|
"psrlw $0x8,%xmm7\n"
|
|
|
|
"1:"
|
|
"movdqa (%eax),%xmm0\n"
|
|
"movdqa 0x10(%eax),%xmm1\n"
|
|
"lea 0x20(%eax),%eax\n"
|
|
"pand %xmm7,%xmm0\n"
|
|
"pand %xmm7,%xmm1\n"
|
|
"packuswb %xmm1,%xmm0\n"
|
|
"movdqa %xmm0,(%edx)\n"
|
|
"lea 0x10(%edx),%edx\n"
|
|
"sub $0x10,%ecx\n"
|
|
"ja 1b\n"
|
|
"ret\n"
|
|
);
|
|
|
|
extern "C" void YUY2ToI420RowUV_SSE2(const uint8* src_yuy2, int pitch_yuy2,
|
|
uint8* dst_u, uint8* dst_y, int pix);
|
|
asm(
|
|
".text\n"
|
|
#if defined(OSX)
|
|
".globl _YUY2ToI420RowUV_SSE2\n"
|
|
"_YUY2ToI420RowUV_SSE2:\n"
|
|
#else
|
|
".global YUY2ToI420RowUV_SSE2\n"
|
|
"YUY2ToI420RowUV_SSE2:\n"
|
|
#endif
|
|
"push %esi\n"
|
|
"push %edi\n"
|
|
"mov 0xc(%esp),%eax\n"
|
|
"mov 0x10(%esp),%esi\n"
|
|
"mov 0x14(%esp),%edx\n"
|
|
"mov 0x18(%esp),%edi\n"
|
|
"mov 0x1c(%esp),%ecx\n"
|
|
"pcmpeqb %xmm7,%xmm7\n"
|
|
"psrlw $0x8,%xmm7\n"
|
|
|
|
"1:"
|
|
"movdqa (%eax),%xmm0\n"
|
|
"movdqa 0x10(%eax),%xmm1\n"
|
|
"movdqa (%eax,%esi,1),%xmm2\n"
|
|
"movdqa 0x10(%eax,%esi,1),%xmm3\n"
|
|
"lea 0x20(%eax),%eax\n"
|
|
"pavgb %xmm2,%xmm0\n"
|
|
"pavgb %xmm3,%xmm1\n"
|
|
"psrlw $0x8,%xmm0\n"
|
|
"psrlw $0x8,%xmm1\n"
|
|
"packuswb %xmm1,%xmm0\n"
|
|
"movdqa %xmm0,%xmm1\n"
|
|
"pand %xmm7,%xmm0\n"
|
|
"packuswb %xmm0,%xmm0\n"
|
|
"movq %xmm0,(%edx)\n"
|
|
"lea 0x8(%edx),%edx\n"
|
|
"psrlw $0x8,%xmm1\n"
|
|
"packuswb %xmm1,%xmm1\n"
|
|
"movq %xmm1,(%edi)\n"
|
|
"lea 0x8(%edi),%edi\n"
|
|
"sub $0x10,%ecx\n"
|
|
"ja 1b\n"
|
|
"pop %edi\n"
|
|
"pop %esi\n"
|
|
"ret\n"
|
|
);
|
|
|
|
#define HAS_UYVYTOI420ROW_SSE2
|
|
extern "C" void UYVYToI420RowY_SSE2(const uint8* src_uyvy,
|
|
uint8* dst_y, int pix);
|
|
asm(
|
|
".text\n"
|
|
#if defined(OSX)
|
|
".globl _UYVYToI420RowY_SSE2\n"
|
|
"_UYVYToI420RowY_SSE2:\n"
|
|
#else
|
|
".global UYVYToI420RowY_SSE2\n"
|
|
"UYVYToI420RowY_SSE2:\n"
|
|
#endif
|
|
"mov 0x4(%esp),%eax\n"
|
|
"mov 0x8(%esp),%edx\n"
|
|
"mov 0xc(%esp),%ecx\n"
|
|
|
|
"1:"
|
|
"movdqa (%eax),%xmm0\n"
|
|
"movdqa 0x10(%eax),%xmm1\n"
|
|
"lea 0x20(%eax),%eax\n"
|
|
"psrlw $0x8,%xmm0\n"
|
|
"psrlw $0x8,%xmm1\n"
|
|
"packuswb %xmm1,%xmm0\n"
|
|
"movdqa %xmm0,(%edx)\n"
|
|
"lea 0x10(%edx),%edx\n"
|
|
"sub $0x10,%ecx\n"
|
|
"ja 1b\n"
|
|
"ret\n"
|
|
);
|
|
|
|
extern "C" void UYVYToI420RowUV_SSE2(const uint8* src_uyvy, int pitch_uyvy,
|
|
uint8* dst_u, uint8* dst_y, int pix);
|
|
asm(
|
|
".text\n"
|
|
#if defined(OSX)
|
|
".globl _UYVYToI420RowUV_SSE2\n"
|
|
"_UYVYToI420RowUV_SSE2:\n"
|
|
#else
|
|
".global UYVYToI420RowUV_SSE2\n"
|
|
"UYVYToI420RowUV_SSE2:\n"
|
|
#endif
|
|
"push %esi\n"
|
|
"push %edi\n"
|
|
"mov 0xc(%esp),%eax\n"
|
|
"mov 0x10(%esp),%esi\n"
|
|
"mov 0x14(%esp),%edx\n"
|
|
"mov 0x18(%esp),%edi\n"
|
|
"mov 0x1c(%esp),%ecx\n"
|
|
"pcmpeqb %xmm7,%xmm7\n"
|
|
"psrlw $0x8,%xmm7\n"
|
|
|
|
"1:"
|
|
"movdqa (%eax),%xmm0\n"
|
|
"movdqa 0x10(%eax),%xmm1\n"
|
|
"movdqa (%eax,%esi,1),%xmm2\n"
|
|
"movdqa 0x10(%eax,%esi,1),%xmm3\n"
|
|
"lea 0x20(%eax),%eax\n"
|
|
"pavgb %xmm2,%xmm0\n"
|
|
"pavgb %xmm3,%xmm1\n"
|
|
"pand %xmm7,%xmm0\n"
|
|
"pand %xmm7,%xmm1\n"
|
|
"packuswb %xmm1,%xmm0\n"
|
|
"movdqa %xmm0,%xmm1\n"
|
|
"pand %xmm7,%xmm0\n"
|
|
"packuswb %xmm0,%xmm0\n"
|
|
"movq %xmm0,(%edx)\n"
|
|
"lea 0x8(%edx),%edx\n"
|
|
"psrlw $0x8,%xmm1\n"
|
|
"packuswb %xmm1,%xmm1\n"
|
|
"movq %xmm1,(%edi)\n"
|
|
"lea 0x8(%edi),%edi\n"
|
|
"sub $0x10,%ecx\n"
|
|
"ja 1b\n"
|
|
"pop %edi\n"
|
|
"pop %esi\n"
|
|
"ret\n"
|
|
);
|
|
#endif
|
|
|
|
void YUY2ToI420RowUV_C(const uint8* src_yuy2, int src_pitch_yuy2,
|
|
uint8* dst_u, uint8* dst_v, int pix) {
|
|
// Copy a row of yuy2 UV values
|
|
for (int x = 0; x < pix; x += 2) {
|
|
dst_u[0] = (src_yuy2[1] + src_yuy2[src_pitch_yuy2 + 1] + 1) >> 1;
|
|
dst_v[0] = (src_yuy2[3] + src_yuy2[src_pitch_yuy2 + 3] + 1) >> 1;
|
|
src_yuy2 += 4;
|
|
dst_u += 1;
|
|
dst_v += 1;
|
|
}
|
|
}
|
|
|
|
void YUY2ToI420RowY_C(const uint8* src_yuy2,
|
|
uint8* dst_y, int pix) {
|
|
// Copy a row of yuy2 Y values
|
|
for (int x = 0; x < pix; ++x) {
|
|
dst_y[0] = src_yuy2[0];
|
|
src_yuy2 += 2;
|
|
dst_y += 1;
|
|
}
|
|
}
|
|
|
|
void UYVYToI420RowUV_C(const uint8* src_uyvy, int src_pitch_uyvy,
|
|
uint8* dst_u, uint8* dst_v, int pix) {
|
|
// Copy a row of uyvy UV values
|
|
for (int x = 0; x < pix; x += 2) {
|
|
dst_u[0] = (src_uyvy[0] + src_uyvy[src_pitch_uyvy + 0] + 1) >> 1;
|
|
dst_v[0] = (src_uyvy[2] + src_uyvy[src_pitch_uyvy + 2] + 1) >> 1;
|
|
src_uyvy += 4;
|
|
dst_u += 1;
|
|
dst_v += 1;
|
|
}
|
|
}
|
|
|
|
void UYVYToI420RowY_C(const uint8* src_uyvy,
|
|
uint8* dst_y, int pix) {
|
|
// Copy a row of uyvy Y values
|
|
for (int x = 0; x < pix; ++x) {
|
|
dst_y[0] = src_uyvy[1];
|
|
src_uyvy += 2;
|
|
dst_y += 1;
|
|
}
|
|
}
|
|
|
|
// Convert YUY2 to I420.
|
|
void PlanarFunctions::YUY2ToI420(const uint8* src_yuy2, int src_pitch_yuy2,
|
|
uint8* dst_y, int dst_pitch_y,
|
|
uint8* dst_u, int dst_pitch_u,
|
|
uint8* dst_v, int dst_pitch_v,
|
|
int width, int height) {
|
|
void (*YUY2ToI420RowUV)(const uint8* src_yuy2, int src_pitch_yuy2,
|
|
uint8* dst_u, uint8* dst_v, int pix);
|
|
void (*YUY2ToI420RowY)(const uint8* src_yuy2,
|
|
uint8* dst_y, int pix);
|
|
#if defined(HAS_YUY2TOI420ROW_SSE2)
|
|
if (libyuv::CpuInfo::TestCpuFlag(libyuv::CpuInfo::kCpuHasSSE2) &&
|
|
(width % 16 == 0) &&
|
|
IS_ALIGNED(src_yuy2, 16) && (src_pitch_yuy2 % 16 == 0) &&
|
|
IS_ALIGNED(dst_y, 16) && (dst_pitch_y % 16 == 0) &&
|
|
IS_ALIGNED(dst_u, 8) && (dst_pitch_u % 8 == 0) &&
|
|
IS_ALIGNED(dst_v, 8) && (dst_pitch_v % 8 == 0)) {
|
|
YUY2ToI420RowY = YUY2ToI420RowY_SSE2;
|
|
YUY2ToI420RowUV = YUY2ToI420RowUV_SSE2;
|
|
} else
|
|
#endif
|
|
{
|
|
YUY2ToI420RowY = YUY2ToI420RowY_C;
|
|
YUY2ToI420RowUV = YUY2ToI420RowUV_C;
|
|
}
|
|
for (int y = 0; y < height; ++y) {
|
|
if ((y & 1) == 0) {
|
|
if (y >= (height - 1) ) { // last chroma on odd height clamp height
|
|
src_pitch_yuy2 = 0;
|
|
}
|
|
YUY2ToI420RowUV(src_yuy2, src_pitch_yuy2, dst_u, dst_v, width);
|
|
dst_u += dst_pitch_u;
|
|
dst_v += dst_pitch_v;
|
|
}
|
|
YUY2ToI420RowY(src_yuy2, dst_y, width);
|
|
dst_y += dst_pitch_y;
|
|
src_yuy2 += src_pitch_yuy2;
|
|
}
|
|
}
|
|
|
|
// Convert UYVY to I420.
|
|
void PlanarFunctions::UYVYToI420(const uint8* src_uyvy, int src_pitch_uyvy,
|
|
uint8* dst_y, int dst_pitch_y,
|
|
uint8* dst_u, int dst_pitch_u,
|
|
uint8* dst_v, int dst_pitch_v,
|
|
int width, int height) {
|
|
void (*UYVYToI420RowUV)(const uint8* src_uyvy, int src_pitch_uyvy,
|
|
uint8* dst_u, uint8* dst_v, int pix);
|
|
void (*UYVYToI420RowY)(const uint8* src_uyvy,
|
|
uint8* dst_y, int pix);
|
|
#if defined(HAS_UYVYTOI420ROW_SSE2)
|
|
if (libyuv::CpuInfo::TestCpuFlag(libyuv::CpuInfo::kCpuHasSSE2) &&
|
|
(width % 16 == 0) &&
|
|
IS_ALIGNED(src_uyvy, 16) && (src_pitch_uyvy % 16 == 0) &&
|
|
IS_ALIGNED(dst_y, 16) && (dst_pitch_y % 16 == 0) &&
|
|
IS_ALIGNED(dst_u, 8) && (dst_pitch_u % 8 == 0) &&
|
|
IS_ALIGNED(dst_v, 8) && (dst_pitch_v % 8 == 0)) {
|
|
UYVYToI420RowY = UYVYToI420RowY_SSE2;
|
|
UYVYToI420RowUV = UYVYToI420RowUV_SSE2;
|
|
} else
|
|
#endif
|
|
{
|
|
UYVYToI420RowY = UYVYToI420RowY_C;
|
|
UYVYToI420RowUV = UYVYToI420RowUV_C;
|
|
}
|
|
for (int y = 0; y < height; ++y) {
|
|
if ((y & 1) == 0) {
|
|
if (y >= (height - 1) ) { // last chroma on odd height clamp height
|
|
src_pitch_uyvy = 0;
|
|
}
|
|
UYVYToI420RowUV(src_uyvy, src_pitch_uyvy, dst_u, dst_v, width);
|
|
dst_u += dst_pitch_u;
|
|
dst_v += dst_pitch_v;
|
|
}
|
|
UYVYToI420RowY(src_uyvy, dst_y, width);
|
|
dst_y += dst_pitch_y;
|
|
src_uyvy += src_pitch_uyvy;
|
|
}
|
|
}
|
|
|
|
// Convert I420 to ARGB.
|
|
// TODO(fbarchard): Add SSSE3 version and supply C version for fallback.
|
|
void PlanarFunctions::I420ToARGB(const uint8* src_y, int src_pitch_y,
|
|
const uint8* src_u, int src_pitch_u,
|
|
const uint8* src_v, int src_pitch_v,
|
|
uint8* dst_argb, int dst_pitch_argb,
|
|
int width, int height) {
|
|
for (int y = 0; y < height; ++y) {
|
|
FastConvertYUVToRGB32Row(src_y, src_u, src_v, dst_argb, width);
|
|
dst_argb += dst_pitch_argb;
|
|
src_y += src_pitch_y;
|
|
if (y & 1) {
|
|
src_u += src_pitch_u;
|
|
src_v += src_pitch_v;
|
|
}
|
|
}
|
|
// MMX used for FastConvertYUVToRGB32Row requires an emms instruction.
|
|
EMMS();
|
|
}
|
|
|
|
// Convert I422 to ARGB.
|
|
void PlanarFunctions::I422ToARGB(const uint8* src_y, int src_pitch_y,
|
|
const uint8* src_u, int src_pitch_u,
|
|
const uint8* src_v, int src_pitch_v,
|
|
uint8* dst_argb, int dst_pitch_argb,
|
|
int width, int height) {
|
|
for (int y = 0; y < height; ++y) {
|
|
FastConvertYUVToRGB32Row(src_y, src_u, src_v, dst_argb, width);
|
|
dst_argb += dst_pitch_argb;
|
|
src_y += src_pitch_y;
|
|
src_u += src_pitch_u;
|
|
src_v += src_pitch_v;
|
|
}
|
|
// MMX used for FastConvertYUVToRGB32Row requires an emms instruction.
|
|
EMMS();
|
|
}
|
|
|
|
// Convert I444 to ARGB.
|
|
void PlanarFunctions::I444ToARGB(const uint8* src_y, int src_pitch_y,
|
|
const uint8* src_u, int src_pitch_u,
|
|
const uint8* src_v, int src_pitch_v,
|
|
uint8* dst_argb, int dst_pitch_argb,
|
|
int width, int height) {
|
|
for (int y = 0; y < height; ++y) {
|
|
FastConvertYUV444ToRGB32Row(src_y, src_u, src_v, dst_argb, width);
|
|
dst_argb += dst_pitch_argb;
|
|
src_y += src_pitch_y;
|
|
src_u += src_pitch_u;
|
|
src_v += src_pitch_v;
|
|
}
|
|
// MMX used for FastConvertYUVToRGB32Row requires an emms instruction.
|
|
EMMS();
|
|
}
|
|
|
|
// Convert I400 to ARGB.
|
|
void PlanarFunctions::I400ToARGB_Reference(const uint8* src_y, int src_pitch_y,
|
|
uint8* dst_argb, int dst_pitch_argb,
|
|
int width, int height) {
|
|
for (int y = 0; y < height; ++y) {
|
|
FastConvertYToRGB32Row(src_y, dst_argb, width);
|
|
dst_argb += dst_pitch_argb;
|
|
src_y += src_pitch_y;
|
|
}
|
|
// MMX used for FastConvertYUVToRGB32Row requires an emms instruction.
|
|
EMMS();
|
|
}
|
|
|
|
// TODO(fbarchard): 64 bit version
|
|
#if defined(WIN32) && !defined(COVERAGE_ENABLED)
|
|
|
|
#define HAS_I400TOARGBROW_SSE2
|
|
__declspec(naked)
|
|
static void I400ToARGBRow_SSE2(const uint8* src_y, uint8* dst_argb, int pix) {
|
|
__asm {
|
|
mov eax, [esp + 4] // src_y
|
|
mov edx, [esp + 8] // dst_argb
|
|
mov ecx, [esp + 12] // pix
|
|
pcmpeqb xmm7, xmm7 // generate mask 0xff000000
|
|
pslld xmm7, 24
|
|
|
|
wloop:
|
|
movq xmm0, qword ptr [eax]
|
|
lea eax, [eax + 8]
|
|
punpcklbw xmm0, xmm0
|
|
movdqa xmm1, xmm0
|
|
punpcklwd xmm0, xmm0
|
|
punpckhwd xmm1, xmm1
|
|
por xmm0, xmm7
|
|
por xmm1, xmm7
|
|
movdqa [edx], xmm0
|
|
movdqa [edx + 16], xmm1
|
|
lea edx, [edx + 32]
|
|
sub ecx, 8
|
|
ja wloop
|
|
ret
|
|
}
|
|
}
|
|
|
|
#elif defined(__i386__) && !defined(COVERAGE_ENABLED) && \
|
|
!TARGET_IPHONE_SIMULATOR
|
|
|
|
#define HAS_I400TOARGBROW_SSE2
|
|
extern "C" void I400ToARGBRow_SSE2(const uint8* src_y, uint8* dst_argb,
|
|
int pix);
|
|
asm(
|
|
".text\n"
|
|
#if defined(OSX)
|
|
".globl _I400ToARGBRow_SSE2\n"
|
|
"_I400ToARGBRow_SSE2:\n"
|
|
#else
|
|
".global I400ToARGBRow_SSE2\n"
|
|
"I400ToARGBRow_SSE2:\n"
|
|
#endif
|
|
"mov 0x4(%esp),%eax\n"
|
|
"mov 0x8(%esp),%edx\n"
|
|
"mov 0xc(%esp),%ecx\n"
|
|
"pcmpeqb %xmm7,%xmm7\n"
|
|
"pslld $0x18,%xmm7\n"
|
|
"1:"
|
|
"movq (%eax),%xmm0\n"
|
|
"lea 0x8(%eax),%eax\n"
|
|
"punpcklbw %xmm0,%xmm0\n"
|
|
"movdqa %xmm0,%xmm1\n"
|
|
"punpcklwd %xmm0,%xmm0\n"
|
|
"punpckhwd %xmm1,%xmm1\n"
|
|
"por %xmm7,%xmm0\n"
|
|
"por %xmm7,%xmm1\n"
|
|
"movdqa %xmm0,(%edx)\n"
|
|
"movdqa %xmm1,0x10(%edx)\n"
|
|
"lea 0x20(%edx),%edx\n"
|
|
"sub $0x8,%ecx\n"
|
|
"ja 1b\n"
|
|
"ret\n"
|
|
);
|
|
#endif
|
|
|
|
static void I400ToARGBRow_C(const uint8* src_y, uint8* dst_argb, int pix) {
|
|
// Copy a Y to RGB.
|
|
for (int x = 0; x < pix; ++x) {
|
|
dst_argb[2] = dst_argb[1] = dst_argb[0] = src_y[0];
|
|
dst_argb[3] = 255u;
|
|
dst_argb += 4;
|
|
src_y += 1;
|
|
}
|
|
}
|
|
|
|
// Convert I400 to ARGB.
|
|
void PlanarFunctions::I400ToARGB(const uint8* src_y, int src_pitch_y,
|
|
uint8* dst_argb, int dst_pitch_argb,
|
|
int width, int height) {
|
|
void (*I400ToARGBRow)(const uint8* src_y, uint8* dst_argb, int pix);
|
|
#if defined(HAS_I400TOARGBROW_SSE2)
|
|
if (libyuv::CpuInfo::TestCpuFlag(libyuv::CpuInfo::kCpuHasSSE2) &&
|
|
(width % 8 == 0) &&
|
|
IS_ALIGNED(src_y, 8) && (src_pitch_y % 8 == 0) &&
|
|
IS_ALIGNED(dst_argb, 16) && (dst_pitch_argb % 16 == 0)) {
|
|
I400ToARGBRow = I400ToARGBRow_SSE2;
|
|
} else
|
|
#endif
|
|
{
|
|
I400ToARGBRow = I400ToARGBRow_C;
|
|
}
|
|
|
|
for (int y = 0; y < height; ++y) {
|
|
I400ToARGBRow(src_y, dst_argb, width);
|
|
src_y += src_pitch_y;
|
|
dst_argb += dst_pitch_argb;
|
|
}
|
|
}
|
|
|
|
static void RAWToARGBRow_C(const uint8* src_raw, uint8* dst_argb, int pix) {
|
|
for (int x = 0; x < pix; ++x) {
|
|
dst_argb[0] = src_raw[2];
|
|
dst_argb[1] = src_raw[1];
|
|
dst_argb[2] = src_raw[0];
|
|
dst_argb[3] = 255u;
|
|
dst_argb += 4;
|
|
src_raw += 3;
|
|
}
|
|
}
|
|
|
|
// Convert RAW to ARGB.
|
|
void PlanarFunctions::RAWToARGB(const uint8* src_raw, int src_pitch_raw,
|
|
uint8* dst_argb, int dst_pitch_argb,
|
|
int width, int height) {
|
|
for (int y = 0; y < height; ++y) {
|
|
RAWToARGBRow_C(src_raw, dst_argb, width);
|
|
src_raw += src_pitch_raw;
|
|
dst_argb += dst_pitch_argb;
|
|
}
|
|
}
|
|
|
|
static void BG24ToARGBRow_C(const uint8* src_bg24, uint8* dst_argb, int pix) {
|
|
for (int x = 0; x < pix; ++x) {
|
|
dst_argb[0] = src_bg24[0];
|
|
dst_argb[1] = src_bg24[1];
|
|
dst_argb[2] = src_bg24[2];
|
|
dst_argb[3] = 255u;
|
|
dst_argb += 4;
|
|
src_bg24 += 3;
|
|
}
|
|
}
|
|
|
|
// Convert BG24 to ARGB.
|
|
void PlanarFunctions::BG24ToARGB(const uint8* src_bg24, int src_pitch_bg24,
|
|
uint8* dst_argb, int dst_pitch_argb,
|
|
int width, int height) {
|
|
for (int y = 0; y < height; ++y) {
|
|
BG24ToARGBRow_C(src_bg24, dst_argb, width);
|
|
src_bg24 += src_pitch_bg24;
|
|
dst_argb += dst_pitch_argb;
|
|
}
|
|
}
|
|
|
|
static void ABGRToARGBRow_C(const uint8* src_abgr, uint8* dst_argb, int pix) {
|
|
for (int x = 0; x < pix; ++x) {
|
|
dst_argb[0] = src_abgr[2];
|
|
dst_argb[1] = src_abgr[1];
|
|
dst_argb[2] = src_abgr[0];
|
|
dst_argb[3] = src_abgr[3];
|
|
dst_argb += 4;
|
|
src_abgr += 4;
|
|
}
|
|
}
|
|
|
|
// Convert ABGR to ARGB.
|
|
void PlanarFunctions::ABGRToARGB(const uint8* src_abgr, int src_pitch_abgr,
|
|
uint8* dst_argb, int dst_pitch_argb,
|
|
int width, int height) {
|
|
for (int y = 0; y < height; ++y) {
|
|
ABGRToARGBRow_C(src_abgr, dst_argb, width);
|
|
src_abgr += src_pitch_abgr;
|
|
dst_argb += dst_pitch_argb;
|
|
}
|
|
}
|
|
|
|
} // namespace libyuv
|