coffee/libyuv
1
0
Fork 0
mirror of https://chromium.googlesource.com/libyuv/libyuv synced 2025-12-07 17:26:49 +08:00
Code Issues Packages Projects Releases Wiki Activity

I422ToRGBARow_NEON optimized

Browse Source 
BUG=78,93
TEST=android build bot
Review URL: https://webrtc-codereview.appspot.com/815004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@364 16f28f9a-4ce2-e073-06de-1de4eb20be90
This commit is contained in:
fbarchard@google.com 2012-09-19 02:13:24 +00:00
parent 7c4656317c
commit 2d61b7495d
4 changed files with 38 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
README.chromium
View File

@ -1,6 +1,6 @@
Name: libyuv
URL: http://code.google.com/p/libyuv/
Version: 363
Version: 364
License: BSD
License File: LICENSE

4
include/libyuv/row.h
View File

@ -19,7 +19,7 @@ extern "C" {
#endif
// TODO(fbarchard): Remove kMaxStride
#define kMaxStride (2560 * 4)
#define kMaxStride (2880 * 4)
#define IS_ALIGNED(p, a) (!((uintptr_t)(p) & ((a) - 1)))
#if defined(__CLR_VER) || defined(COVERAGE_ENABLED) || \
@ -114,7 +114,7 @@ extern "C" {
#define HAS_I422TOARGBROW_NEON
#define HAS_I422TOBGRAROW_NEON
#define HAS_I422TOABGRROW_NEON
// TODO(FBARCHARD): #define HAS_I422TORGBAROW_NEON
#define HAS_I422TORGBAROW_NEON
#endif
#if defined(_MSC_VER) && !defined(__CLR_VER)

2
include/libyuv/version.h
View File

@ -11,6 +11,6 @@
#ifndef INCLUDE_LIBYUV_VERSION_H_ // NOLINT
#define INCLUDE_LIBYUV_VERSION_H_
#define LIBYUV_VERSION 363
#define LIBYUV_VERSION 364
#endif // INCLUDE_LIBYUV_VERSION_H_ NOLINT

37
source/row_neon.cc
View File

@ -46,9 +46,8 @@ extern "C" {
"vtrn.u8 d22, d23 \n" \
"vtrn.u8 d16, d17 \n" \
#if defined(HAS_I422TOARGBROW_NEON) || \
defined(HAS_I422TOBGRAROW_NEON) || \
defined(HAS_I422TOABGRROW_NEON)
#if defined(HAS_I422TOARGBROW_NEON) || defined(HAS_I422TOBGRAROW_NEON) || \
defined(HAS_I422TOABGRROW_NEON) || defined(HAS_I422TORGBAROW_NEON)
static const vec8 kUVToRB = { 127, 127, 127, 127, 102, 102, 102, 102,
0, 0, 0, 0, 0, 0, 0, 0 };
static const vec8 kUVToG = { -25, -25, -25, -25, -52, -52, -52, -52,
@ -153,6 +152,38 @@ void I422ToABGRRow_NEON(const uint8* y_buf,
}
#endif // HAS_I422TOABGRROW_NEON
#ifdef HAS_I422TORGBAROW_NEON
void I422ToRGBARow_NEON(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* rgb_buf,
int width) {
asm volatile (
"vld1.u8 {d24}, [%5] \n"
"vld1.u8 {d25}, [%6] \n"
"vmov.u8 d26, #128 \n"
"vmov.u16 q14, #74 \n"
"vmov.u16 q15, #16 \n"
"1: \n"
YUV422TORGB
"vmov.u8 d21, d16 \n"
"vmov.u8 d19, #255 \n"
"vst4.u8 {d19, d20, d21, d22}, [%3]! \n"
"subs %4, %4, #8 \n"
"bgt 1b \n"
: "+r"(y_buf), // %0
"+r"(u_buf), // %1
"+r"(v_buf), // %2
"+r"(rgb_buf), // %3
"+r"(width) // %4
: "r"(&kUVToRB), // %5
"r"(&kUVToG) // %6
: "cc", "memory", "q0", "q1", "q2", "q3", "q8", "q9",
"q10", "q11", "q12", "q13", "q14", "q15"
);
}
#endif // HAS_I422TORGBAROW_NEON
#ifdef HAS_SPLITUV_NEON
// Reads 16 pairs of UV and write even values to dst_u and odd to dst_v
// Alignment requirement: 16 bytes for pointers, and multiple of 16 pixels.