qcom_tile_pos 305 libavcodec/mediacodec_sw_buffer.c + qcom_tile_pos(x, y,tile_w_align, tile_h_luma) * QCOM_TILE_SIZE; qcom_tile_pos 309 libavcodec/mediacodec_sw_buffer.c + qcom_tile_pos(x, y/2, tile_w_align, tile_h_chroma) * QCOM_TILE_SIZE;