patched-ffmpeg-mt/libswscale/bfin/internal_bfin.S - Issue 789004: ffmpeg roll of source to mar 9 version...

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Issue 789004: ffmpeg roll of source to mar 9 version... (Closed) Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/ffmpeg/

Patch Set: '' Created 10 years, 9 months ago

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1 /*	1 /*

2 * Copyright (C) 2007 Marc Hoffman <marc.hoffman@analog.com>	2 * Copyright (C) 2007 Marc Hoffman <marc.hoffman@analog.com>

3 * April 20, 2007	3 * April 20, 2007

4 *	4 *

5 * Blackfin video color space converter operations	5 * Blackfin video color space converter operations

6 * convert I420 YV12 to RGB in various formats	6 * convert I420 YV12 to RGB in various formats

7 *	7 *

8 * This file is part of FFmpeg.	8 * This file is part of FFmpeg.

9 *	9 *

10 * FFmpeg is free software; you can redistribute it and/or	10 * FFmpeg is free software; you can redistribute it and/or

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87	87

88 2779809/1484290 187.28%	88 2779809/1484290 187.28%

89	89

90 which translates to ~33c/pel to ~57c/pel for the reference vs 17.5	90 which translates to ~33c/pel to ~57c/pel for the reference vs 17.5

91 c/pel for the optimized implementations. Not sure why there is such a	91 c/pel for the optimized implementations. Not sure why there is such a

92 huge variation on the reference codes on Blackfin I guess it must have	92 huge variation on the reference codes on Blackfin I guess it must have

93 to do with the memory system.	93 to do with the memory system.

94 */	94 */

95	95

96 #define mL3 .text	96 #define mL3 .text

97 #ifdef __FDPIC__	97 #if defined(__FDPIC__) && CONFIG_SRAM

98 #define mL1 .l1.text	98 #define mL1 .l1.text

99 #else	99 #else

100 #define mL1 mL3	100 #define mL1 mL3

101 #endif	101 #endif

102 #define MEM mL1	102 #define MEM mL1

103	103

104 #define DEFUN(fname,where,interface) \	104 #define DEFUN(fname,where,interface) \

105 .section where; \	105 .section where; \

106 .global _ff_bfin_ ## fname; \	106 .global _ff_bfin_ ## fname; \

107 .type _ff_bfin_ ## fname, STT_FUNC; \	107 .type _ff_bfin_ ## fname, STT_FUNC; \

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597 i1 += m0;	597 i1 += m0;

598 i2 += m1;	598 i2 += m1;

599 i3 += m1;	599 i3 += m1;

600 p0 = p0 + p2;	600 p0 = p0 + p2;

601 1: p1 = p1 + p2;	601 1: p1 = p1 + p2;

602	602

603 (r7:4,p5:4) = [sp++];	603 (r7:4,p5:4) = [sp++];

604 unlink;	604 unlink;

605 rts;	605 rts;

606 DEFUN_END(yuyvtoyv12)	606 DEFUN_END(yuyvtoyv12)

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