[FFmpeg-devel] [PATCH] libswscale/x86/yuv2rgb: Fix Segmentation Fault when load unaligned data

Carl Eugen Hoyos ceffmpeg at gmail.com
Tue Feb 25 11:42:53 EET 2020



> Am 25.02.2020 um 07:29 schrieb Ting Fu <ting.fu at intel.com>:
> 
> Signed-off-by: Ting Fu <ting.fu at intel.com>
> ---
> libswscale/x86/yuv_2_rgb.asm | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/libswscale/x86/yuv_2_rgb.asm b/libswscale/x86/yuv_2_rgb.asm
> index e05bbb89f5..575a84d921 100644
> --- a/libswscale/x86/yuv_2_rgb.asm
> +++ b/libswscale/x86/yuv_2_rgb.asm
> @@ -139,7 +139,7 @@ cglobal %1_420_%2%3, GPR_num, GPR_num, reg_num, parameters
>     VBROADCASTSD vr_coff,  [pointer_c_ditherq + 4  * 8]
> %endif
> %endif
> -    mova m_y, [py_2indexq + 2 * indexq]
> +    movu m_y, [py_2indexq + 2 * indexq]
>     movh m_u, [pu_indexq  +     indexq]
>     movh m_v, [pv_indexq  +     indexq]
> .loop0:
> @@ -347,7 +347,7 @@ cglobal %1_420_%2%3, GPR_num, GPR_num, reg_num, parameters
> %endif ; PACK RGB15/16
> %endif ; PACK RGB15/16/32
> 
> -mova m_y, [py_2indexq + 2 * indexq + 8 * time_num]
> +movu m_y, [py_2indexq + 2 * indexq + 8 * time_num]

If there is a related ticket in trac, please mention it in the commit message.

Carl Eugen


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