av_cold void ff_pixblockdsp_init_x86(PixblockDSPContext *c, AVCodecContext *avctx, unsigned high_bit_depth) { int cpu_flags = av_get_cpu_flags(); if (EXTERNAL_MMX(cpu_flags)) { if (!high_bit_depth) c->get_pixels = ff_get_pixels_mmx; c->diff_pixels = ff_diff_pixels_mmx; } if (EXTERNAL_SSE2(cpu_flags)) { if (!high_bit_depth) c->get_pixels = ff_get_pixels_sse2; c->diff_pixels = ff_diff_pixels_sse2; } }