media/base/simd/scale_yuv_to_rgb_mmx.inc - Issue 242643011: Add correct support for videos with YUVJ420P color format, in the software conversion path.

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Issue 242643011: Add correct support for videos with YUVJ420P color format, in the software conversion path. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@yuvnopic

Patch Set: Created 6 years, 8 months ago

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1 ; Copyright (c) 2011 The Chromium Authors. All rights reserved.	1 ; Copyright (c) 2011 The Chromium Authors. All rights reserved.

2 ; Use of this source code is governed by a BSD-style license that can be	2 ; Use of this source code is governed by a BSD-style license that can be

3 ; found in the LICENSE file.	3 ; found in the LICENSE file.

4	4

5 %include "media/base/simd/media_export.asm"	5 %include "media/base/simd/media_export.asm"

6	6

7 EXPORT SYMBOL	7 EXPORT SYMBOL

8 align function_align	8 align function_align

9	9

10 mangle(SYMBOL):	10 mangle(SYMBOL):

11 %assign stack_offset 0	11 %assign stack_offset 0

12	12

13 extern mangle(kCoefficientsRgbY)	13 extern mangle(kCoefficientsRgbY)

14	14

15 ; Parameters are in the following order:	15 ; Parameters are in the following order:

16 ; 1. Y plane	16 ; 1. Y plane

17 ; 2. U plane	17 ; 2. U plane

18 ; 3. V plane	18 ; 3. V plane

19 ; 4. ARGB frame	19 ; 4. ARGB frame

20 ; 5. Width	20 ; 5. Width

21 ; 6. Source dx	21 ; 6. Source dx

	22 ; 7. Lookup table address

22	23

23 PROLOGUE 6, 7, 3, Y, U, V, ARGB, R1, R2, TEMP	24 PROLOGUE 7, 7, 3, Y, U, V, ARGB, R1, R2, TEMP

24	25

25 %ifdef ARCH_X86_64	26 %ifdef ARCH_X86_64

26 %define WORD_SIZE QWORD	27 %define WORD_SIZE QWORD

27 %else	28 %else

28 %define WORD_SIZE DWORD	29 %define WORD_SIZE DWORD

29 %endif	30 %endif

30	31

31 PUSH R1q ; Width	32 PUSH R1q ; Width

32 PUSH R2q ; Source dx	33 PUSH R2q ; Source dx

33	34

34 %define SOURCE_DX WORD_SIZE [rsp]	35 %define SOURCE_DX WORD_SIZE [rsp]

35	36

36 LOAD_SYM R1q, mangle(kCoefficientsRgbY)	37 mov R1q, TEMPq

	38

37 %define WIDTH WORD_SIZE [rsp + gprsize]	39 %define WIDTH WORD_SIZE [rsp + gprsize]

38 %define TABLE R1q	40 %define TABLE R1q

39 %define Xq R2q	41 %define Xq R2q

40	42

41 ; Set Xq index to 0.	43 ; Set Xq index to 0.

42 xor Xq, Xq	44 xor Xq, Xq

43 jmp .scaleend	45 jmp .scaleend

44	46

45 .scaleloop:	47 .scaleloop:

46 mov TEMPq, Xq	48 mov TEMPq, Xq

47 sar TEMPq, 17	49 sar TEMPq, 17

48 movzx TEMPd, BYTE [Uq + TEMPq]	50 movzx TEMPd, BYTE [Uq + TEMPq]

49 movq mm0, [TABLE + 2048 + 8 * TEMPq]	51 movq mm0, [TABLE + 2048 + 8 * TEMPq]

(...skipping 39 matching lines...) Expand 10 before \| Expand all \| Expand 10 after Loading...
89 movzx TEMPd, BYTE [Yq + TEMPq]	91 movzx TEMPd, BYTE [Yq + TEMPq]

90 movq mm1, [TABLE + 8 * TEMPq]	92 movq mm1, [TABLE + 8 * TEMPq]

91 paddsw mm1, mm0	93 paddsw mm1, mm0

92 psraw mm1, 6	94 psraw mm1, 6

93 packuswb mm1, mm1	95 packuswb mm1, mm1

94 movd DWORD [ARGBq], mm1	96 movd DWORD [ARGBq], mm1

95	97

96 .scaledone:	98 .scaledone:

97 ADD rsp, 2 * gprsize	99 ADD rsp, 2 * gprsize

98 RET	100 RET

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