Wednesday, February 15, 2006

Mount CUE/BIN in Linux

Convert CUE/BIN to iso.
Install bchunk
bchunk foo.bin foo.cue foo

Tuesday, February 07, 2006

`AM_PROG_AS' not found

set automake version
ACLOCAL=aclocal-1.8 AUTOMAKE=automake-1.8 autoreconf -f -i -s

FFmpeg compile error

Replace transpose4x4() in libavcodec/i386/dsputil_mmx.c as follows:


static inline void transpose4x4(uint8_t *dst, uint8_t *src, int dst_stride, int src_stride){
asm volatile( //FIXME could save 1 instruction if done as 8x4 ...
"movd %4, %%mm0 \n\t"
"movd %5, %%mm1 \n\t"
"movd %6, %%mm2 \n\t"
"movd %7, %%mm3 \n\t"
"punpcklbw %%mm1, %%mm0 \n\t"
"punpcklbw %%mm3, %%mm2 \n\t"
"movq %%mm0, %%mm1 \n\t"
"punpcklwd %%mm2, %%mm0 \n\t"
"punpckhwd %%mm2, %%mm1 \n\t"
"movd %%mm0, %0 \n\t"
"punpckhdq %%mm0, %%mm0 \n\t"
"movd %%mm0, %1 \n\t"
"movd %%mm1, %2 \n\t"
"punpckhdq %%mm1, %%mm1 \n\t"
"movd %%mm1, %3 \n\t"

: "=m" (*(uint32_t*)(dst + 0*dst_stride)),
"=m" (*(uint32_t*)(dst + 1*dst_stride)),
"=m" (*(uint32_t*)(dst + 2*dst_stride)),
"=m" (*(uint32_t*)(dst + 3*dst_stride))
: "m" (*(uint32_t*)(src + 0*src_stride)),
"m" (*(uint32_t*)(src + 1*src_stride)),
"m" (*(uint32_t*)(src + 2*src_stride)),
"m" (*(uint32_t*)(src + 3*src_stride))
);
}