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Make 565 use big endian consistent read/write word for s390.

Browse Source 
BUG=171
TESTED=unittests on x86 not impacted.
Review URL: https://webrtc-codereview.appspot.com/1022006

git-svn-id: http://libyuv.googlecode.com/svn/trunk@524 16f28f9a-4ce2-e073-06de-1de4eb20be90
This commit is contained in:
fbarchard@google.com 2013-01-07 06:50:53 +00:00
parent be560615bb
commit 3ae19cb834
6 changed files with 30 additions and 43 deletions
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2
README.chromium
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@ -1,6 +1,6 @@
Name: libyuv
URL: http://code.google.com/p/libyuv/
Version: 522
Version: 524
License: BSD
License File: LICENSE

26
include/libyuv/basic_types.h
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@ -96,4 +96,30 @@ typedef signed char int8;
#endif // __GNUC__
#endif // LIBYUV_API
// Visual C x86 or GCC little endian.
#if defined(__x86_64__) || defined(_M_X64) || \
defined(__i386__) || defined(_M_IX86) || \
defined(__arm__) || defined(_M_ARM) || \
(defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)
#define LIBYUV_LITTLE_ENDIAN
#endif
#ifdef LIBYUV_LITTLE_ENDIAN
#define READWORD(p) (*reinterpret_cast<const uint32*>(p))
#define WRITEWORD(p, v) *reinterpret_cast<uint32*>(p) = v
#else
static inline uint32 READWORD(const uint8* p) {
return static_cast<uint32>(p[0]) |
(static_cast<uint32>(p[1]) << 8) |
(static_cast<uint32>(p[2]) << 16) |
(static_cast<uint32>(p[3]) << 24);
}
static inline void WRITEWORD(uint8* p, uint32 v) {
p[0] = (uint8)(v & 255);
p[1] = (uint8)((v >> 8) & 255);
p[2] = (uint8)((v >> 16) & 255);
p[3] = (uint8)((v >> 24) & 255);
}
#endif
#endif // INCLUDE_LIBYUV_BASIC_TYPES_H_ NOLINT

2
include/libyuv/version.h
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@ -11,6 +11,6 @@
#ifndef INCLUDE_LIBYUV_VERSION_H_ // NOLINT
#define INCLUDE_LIBYUV_VERSION_H_
#define LIBYUV_VERSION 522
#define LIBYUV_VERSION 524
#endif // INCLUDE_LIBYUV_VERSION_H_ NOLINT

19
source/convert.cc
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@ -692,25 +692,6 @@ int UYVYToI420(const uint8* src_uyvy, int src_stride_uyvy,
return 0;
}
// Visual C x86 or GCC little endian.
#if defined(__x86_64__) || defined(_M_X64) || \
defined(__i386__) || defined(_M_IX86) || \
defined(__arm__) || defined(_M_ARM) || \
(defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)
#define LIBYUV_LITTLE_ENDIAN
#endif
#ifdef LIBYUV_LITTLE_ENDIAN
#define READWORD(p) (*reinterpret_cast<const uint32*>(p))
#else
static inline uint32 READWORD(const uint8* p) {
return static_cast<uint32>(p[0]) |
(static_cast<uint32>(p[1]) << 8) |
(static_cast<uint32>(p[2]) << 16) |
(static_cast<uint32>(p[3]) << 24);
}
#endif
// Must be multiple of 6 pixels. Will over convert to handle remainder.
// https://developer.apple.com/quicktime/icefloe/dispatch019.html#v210
static void V210ToUYVYRow_C(const uint8* src_v210, uint8* dst_uyvy, int width) {

19
source/convert_from.cc
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@ -210,25 +210,6 @@ int I400Copy(const uint8* src_y, int src_stride_y,
return 0;
}
// Visual C x86 or GCC little endian.
#if defined(__x86_64__) || defined(_M_X64) || \
defined(__i386__) || defined(_M_IX86) || \
defined(__arm__) || defined(_M_ARM) || \
(defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)
#define LIBYUV_LITTLE_ENDIAN
#endif
#ifdef LIBYUV_LITTLE_ENDIAN
#define WRITEWORD(p, v) *reinterpret_cast<uint32*>(p) = v
#else
static inline void WRITEWORD(uint8* p, uint32 v) {
p[0] = (uint8)(v & 255);
p[1] = (uint8)((v >> 8) & 255);
p[2] = (uint8)((v >> 16) & 255);
p[3] = (uint8)((v >> 24) & 255);
}
#endif
#define EIGHTTOTEN(x) (x << 2 | x >> 6)
static void UYVYToV210Row_C(const uint8* src_uyvy, uint8* dst_v210, int width) {
for (int x = 0; x < width; x += 6) {

5
source/row_common.cc
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@ -182,7 +182,6 @@ void ARGBToRAWRow_C(const uint8* src_argb, uint8* dst_rgb, int width) {
}
}
// TODO(fbarchard): support big endian CPU
void ARGBToRGB565Row_C(const uint8* src_argb, uint8* dst_rgb, int width) {
for (int x = 0; x < width - 1; x += 2) {
uint8 b0 = src_argb[0] >> 3;
@ -191,8 +190,8 @@ void ARGBToRGB565Row_C(const uint8* src_argb, uint8* dst_rgb, int width) {
uint8 b1 = src_argb[4] >> 3;
uint8 g1 = src_argb[5] >> 2;
uint8 r1 = src_argb[6] >> 3;
*reinterpret_cast<uint32*>(dst_rgb) = b0 | (g0 << 5) | (r0 << 11) |
(b1 << 16) | (g1 << 21) | (r1 << 27);
WRITEWORD(dst_rgb, b0 | (g0 << 5) | (r0 << 11) |
(b1 << 16) | (g1 << 21) | (r1 << 27));
dst_rgb += 4;
src_argb += 8;
}