ff_diff_pixels_msa 29 libavcodec/mips/pixblockdsp_init_mips.c c->diff_pixels = ff_diff_pixels_msa; ff_diff_pixels_msa 27 libavcodec/mips/pixblockdsp_mips.h void ff_diff_pixels_msa(int16_t *av_restrict block, const uint8_t *src1,