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ensure buffers are aligned 32 for SSE2 should fix #4948

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@34047 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
David McPaul 2009-11-14 22:45:18 +00:00
parent 714236b802
commit c2d6e29c89
1 changed files with 9 additions and 3 deletions
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12
src/add-ons/media/plugins/ffmpeg/gfx_conv_mmx.cpp
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@ -41,8 +41,11 @@ void gfx_conv_yuv420p_rgb32_mmx(AVFrame *in, AVFrame *out, int width, int height
// Planar YUV420
void gfx_conv_yuv420p_rgba32_sse2(AVFrame *in, AVFrame *out, int width, int height)
{
// width must be divisibile by 8 and height divisible by 2
if (width % 8 == 0 && height % 2 == 0) {
// width must be divisible by 8 and height divisible by 2
// also in and out must be aligned to 32 bytes
if (width % 8 == 0 && height % 2 == 0
&& (off_t)out->data[0] % 32 == 0 && (off_t)in->data[0] % 32 == 0
&& (off_t)in->data[1] % 32 == 0 && (off_t)in->data[2] % 32 == 0) {
uint8 *ybase = (uint8 *)in->data[0];
uint8 *ubase = (uint8 *)in->data[1];
@ -69,7 +72,10 @@ void gfx_conv_yuv420p_rgba32_sse2(AVFrame *in, AVFrame *out, int width, int heig
void gfx_conv_yuv422p_rgba32_sse2(AVFrame *in, AVFrame *out, int width, int height)
{
// width must be divisibile by 8
if (width % 8 == 0) {
// also in and out must be aligned to 32 bytes
if (width % 8 == 0
&& (off_t)out->data[0] % 32 == 0 && (off_t)in->data[0] % 32 == 0) {
uint8 *ybase = (uint8 *)in->data[0];
uint8 *rgbbase = (uint8 *)out->data[0];