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endian_inl.h: add BSwap32

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Change-Id: I96e3ae49659307024415d64587e6312888a0070f
This commit is contained in:
James Zern
2014-07-03 11:21:24 -07:00
parent d5104b1ff6
commit 47779d46c8
3 changed files with 28 additions and 34 deletions
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18
src/dsp/lossless.c
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@ -17,8 +17,9 @@
#include <math.h>
#include <stdlib.h>
#include "./lossless.h"
#include "../dec/vp8li.h"
#include "../utils/endian_inl.h"
#include "./lossless.h"
#include "./yuv.h"
#define MAX_DIFF_COST (1e30f)
@ -1357,22 +1358,11 @@ static void CopyOrSwap(const uint32_t* src, int num_pixels, uint8_t* dst,
if (is_big_endian() == swap_on_big_endian) {
const uint32_t* const src_end = src + num_pixels;
while (src < src_end) {
uint32_t argb = *src++;
const uint32_t argb = *src++;
#if !defined(__BIG_ENDIAN__)
#if !defined(WEBP_REFERENCE_IMPLEMENTATION)
#if defined(__i386__) || defined(__x86_64__)
__asm__ volatile("bswap %0" : "=r"(argb) : "0"(argb));
*(uint32_t*)dst = argb;
#elif defined(_MSC_VER)
argb = _byteswap_ulong(argb);
*(uint32_t*)dst = argb;
#else
dst[0] = (argb >> 24) & 0xff;
dst[1] = (argb >> 16) & 0xff;
dst[2] = (argb >> 8) & 0xff;
dst[3] = (argb >> 0) & 0xff;
#endif
*(uint32_t*)dst = BSwap32(argb);
#else // WEBP_REFERENCE_IMPLEMENTATION
dst[0] = (argb >> 24) & 0xff;
dst[1] = (argb >> 16) & 0xff;