rgtc1u_alpha_block 525 libavcodec/texturedsp.c static int rgtc1u_alpha_block(uint8_t *dst, ptrdiff_t stride, const uint8_t *block) rgtc1u_alpha_block 659 libavcodec/texturedspenc.c static int rgtc1u_alpha_block(uint8_t *dst, ptrdiff_t stride, const uint8_t *block)